🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.1

Radius: 13.5

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.46 AU - 0.62 AU

Year: 274 Days

Day: 12.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,724,096 km

• M1: 169,494 km (0.078 R)
• M2: 260,001 km (0.113 R)
• M3: 358,586 km (0.104 R)
• M4: 476,918 km (0.116 R)
• M5: 585,825 km (0.103 R)
• M6: 670,348 km (0.097 R)
• M7: 768,484 km (0.049 R)
• M8: 865,573 km (0.036 R)
• M9: 967,300 km (0.113 R)
• M10: 1,053,917 km (0.044 R)
• M11: 1,163,871 km (0.099 R)
• M12: 1,248,993 km (0.033 R)
• M13: 1,341,743 km (0.049 R)
• M14: 1,428,809 km (0.087 R)
• M15: 1,523,654 km (0.04 R)
• M16: 1,632,262 km (0.069 R)
• M17: 1,716,935 km (0.114 R)
• M18: 1,815,221 km (0.088 R)
• M19: 1,930,860 km (0.101 R)
• M20: 2,064,899 km (0.045 R)
• M21: 2,189,365 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.8

Radius: 11.4

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.55 AU - 0.59 AU

Year: 297 Days

Day: 14.4 Hours

Environment

Temp: -139 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 41,724,096 km

• M1: 149,149 km (0.104 R)
• M2: 241,152 km (0.099 R)
• M3: 325,375 km (0.054 R)
• M4: 396,434 km (0.046 R)
• M5: 497,712 km (0.114 R)
• M6: 593,904 km (0.051 R)
• M7: 714,330 km (0.068 R)
• M8: 873,053 km (0.084 R)
• M9: 959,072 km (0.097 R)
• M10: 1,040,304 km (0.045 R)
• M11: 1,252,284 km (0.089 R)
• M12: 1,324,689 km (0.05 R)
• M13: 1,492,089 km (0.086 R)
• M14: 1,592,320 km (0.1 R)
• M15: 1,690,157 km (0.045 R)
• M16: 1,794,875 km (0.114 R)
• M17: 1,946,418 km (0.105 R)
• M18: 2,066,695 km (0.038 R)
• M19: 2,153,461 km (0.042 R)
• M20: 2,272,840 km (0.117 R)
• M21: 2,351,978 km (0.117 R)
• M22: 2,458,791 km (0.116 R)
• M23: 2,572,934 km (0.118 R)
• M24: 2,655,512 km (0.062 R)
• M25: 2,727,917 km (0.097 R)
• M26: 2,840,415 km (0.112 R)
• M27: 2,960,392 km (0.09 R)
• M28: 3,099,518 km (0.089 R)
• M29: 3,235,054 km (0.086 R)
• M30: 3,354,433 km (0.091 R)
• M31: 3,426,838 km (0.066 R)
• M32: 3,518,093 km (0.027 R)
• M33: 3,597,829 km (0.087 R)
• M34: 3,828,060 km (0.109 R)
• M35: 3,929,188 km (0.118 R)
• M36: 4,024,781 km (0.051 R)
• M37: 4,108,257 km (0.115 R)
• M38: 4,231,376 km (0.095 R)
• M39: 4,401,768 km (0.064 R)
• M40: 4,527,879 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.6

Radius: 13.4

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.68 AU - 0.92 AU

Year: 494 Days

Day: 7.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 41,724,096 km

• M1: 179,368 km (0.1 R)
• M2: 264,639 km (0.089 R)
• M3: 357,090 km (0.104 R)
• M4: 483,351 km (0.096 R)
• M5: 570,716 km (0.049 R)
• M6: 657,782 km (0.079 R)
• M7: 758,012 km (0.074 R)
• M8: 933,940 km (0.065 R)
• M9: 1,066,782 km (0.114 R)
• M10: 1,178,831 km (0.074 R)
• M11: 1,343,090 km (0.086 R)
• M12: 1,480,271 km (0.055 R)
• M13: 1,571,077 km (0.092 R)
• M14: 1,679,535 km (0.1 R)
• M15: 1,769,294 km (0.05 R)
• M16: 1,866,233 km (0.116 R)
• M17: 1,976,038 km (0.103 R)
• M18: 2,076,867 km (0.114 R)
• M19: 2,162,288 km (0.071 R)
• M20: 2,372,323 km (0.087 R)
• M21: 2,467,766 km (0.094 R)
• M22: 2,607,491 km (0.11 R)
• M23: 3,159,956 km (0.118 R)
• M24: 3,312,246 km (0.085 R)
• M25: 3,521,384 km (0.11 R)
• M26: 3,721,097 km (0.081 R)
• M27: 3,945,793 km (0.093 R)
• M28: 4,167,946 km (0.107 R)
• M29: 4,284,184 km (0.103 R)
• M30: 4,416,279 km (0.113 R)
• M31: 4,542,240 km (0.057 R)
• M32: 4,639,479 km (0.116 R)
• M33: 4,729,836 km (0.092 R)
• M34: 4,973,680 km (0.117 R)
• M35: 5,105,027 km (0.113 R)
• M36: 5,198,376 km (0.046 R)
• M37: 5,418,435 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.6

Radius: 13.1

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.73 AU - 1.05 AU

Year: 580 Days

Day: 13.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 41,724,096 km

• M1: 237,262 km (0.089 R)
• M2: 330,462 km (0.11 R)
• M3: 425,456 km (0.086 R)
• M4: 529,876 km (0.085 R)
• M5: 612,454 km (0.069 R)
• M6: 802,443 km (0.079 R)
• M7: 891,304 km (0.076 R)
• M8: 1,013,675 km (0.059 R)
• M9: 1,131,857 km (0.087 R)
• M10: 1,244,056 km (0.034 R)
• M11: 1,371,663 km (0.104 R)
• M12: 1,568,683 km (0.073 R)
• M13: 1,713,644 km (0.105 R)
• M14: 1,901,389 km (0.067 R)
• M15: 2,043,507 km (0.069 R)
• M16: 2,202,679 km (0.068 R)
• M17: 2,345,545 km (0.064 R)
• M18: 2,435,603 km (0.082 R)
• M19: 2,519,677 km (0.119 R)
• M20: 2,604,948 km (0.112 R)
• M21: 2,800,173 km (0.084 R)
• M22: 2,896,065 km (0.037 R)
• M23: 3,038,034 km (0.099 R)
• M24: 3,136,619 km (0.117 R)
• M25: 3,236,400 km (0.053 R)
• M26: 3,383,904 km (0.098 R)
• M27: 3,557,737 km (0.081 R)
• M28: 3,881,466 km (0.094 R)
• M29: 4,088,659 km (0.092 R)
• M30: 4,231,825 km (0.118 R)
• M31: 4,325,174 km (0.108 R)
• M32: 4,557,649 km (0.118 R)
• M33: 4,653,541 km (0.099 R)
• M34: 4,785,337 km (0.067 R)
• M35: 4,972,035 km (0.102 R)
• M36: 5,261,357 km (0.031 R)
• M37: 5,352,911 km (0.057 R)
• M38: 5,546,790 km (0.112 R)
• M39: 5,630,714 km (0.037 R)
• M40: 5,743,212 km (0.119 R)
• M41: 6,162,086 km (0.113 R)
• M42: 6,453,353 km (0.089 R)
• M43: 6,561,363 km (0.106 R)
• M44: 6,779,177 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.3

Radius: 11.1

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.6 AU - 1.9 AU

Year: 1598 Days

Day: 7.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (62)

Outer Limit: 41,724,096 km

• M1: 139,425 km (0.109 R)
• M2: 243,545 km (0.099 R)
• M3: 355,893 km (0.064 R)
• M4: 479,910 km (0.066 R)
• M5: 671,545 km (0.096 R)
• M6: 881,730 km (0.096 R)
• M7: 1,034,020 km (0.032 R)
• M8: 1,168,060 km (0.119 R)
• M9: 1,365,978 km (0.11 R)
• M10: 1,564,794 km (0.09 R)
• M11: 1,699,432 km (0.111 R)
• M12: 1,816,268 km (0.039 R)
• M13: 1,892,263 km (0.091 R)
• M14: 2,047,247 km (0.118 R)
• M15: 2,149,273 km (0.094 R)
• M16: 2,441,587 km (0.119 R)
• M17: 2,610,932 km (0.117 R)
• M18: 2,709,517 km (0.098 R)
• M19: 2,834,580 km (0.042 R)
• M20: 3,461,396 km (0.119 R)
• M21: 3,832,847 km (0.113 R)
• M22: 4,275,058 km (0.113 R)
• M23: 4,748,685 km (0.066 R)
• M24: 4,854,601 km (0.105 R)
• M25: 5,130,459 km (0.09 R)
• M26: 5,458,826 km (0.092 R)
• M27: 5,617,699 km (0.117 R)
• M28: 6,152,661 km (0.091 R)
• M29: 6,235,239 km (0.111 R)
• M30: 6,351,327 km (0.068 R)
• M31: 6,568,992 km (0.045 R)
• M32: 6,687,174 km (0.104 R)
• M33: 6,806,105 km (0.113 R)
• M34: 7,011,652 km (0.065 R)
• M35: 7,097,821 km (0.101 R)
• M36: 7,201,791 km (0.117 R)
• M37: 7,587,305 km (0.094 R)
• M38: 8,360,427 km (0.102 R)
• M39: 8,507,033 km (0.069 R)
• M40: 9,064,434 km (0.069 R)
• M41: 9,139,682 km (0.072 R)
• M42: 9,614,506 km (0.07 R)
• M43: 9,806,739 km (0.039 R)
• M44: 10,371,321 km (0.077 R)
• M45: 10,588,388 km (0.075 R)
• M46: 10,806,801 km (0.111 R)
• M47: 11,127,239 km (0.103 R)
• M48: 11,329,196 km (0.12 R)
• M49: 11,818,681 km (0.069 R)
• M50: 12,148,843 km (0.075 R)
• M51: 12,231,870 km (0.09 R)
• M52: 12,335,840 km (0.118 R)
• M53: 12,607,809 km (0.099 R)
• M54: 13,157,582 km (0.111 R)
• M55: 13,349,665 km (0.104 R)
• M56: 13,478,319 km (0.111 R)
• M57: 13,607,273 km (0.052 R)
• M58: 13,953,442 km (0.111 R)
• M59: 14,280,613 km (0.115 R)
• M60: 14,676,449 km (0.065 R)
• M61: 14,831,432 km (0.114 R)
• M62: 14,920,144 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.7

Radius: 11

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.74 AU - 2.9 AU

Year: 2439 Days

Day: 9.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 41,724,096 km

• M1: 137,929 km (0.03 R)
• M2: 267,331 km (0.066 R)
• M3: 444,455 km (0.111 R)
• M4: 535,261 km (0.113 R)
• M5: 652,845 km (0.103 R)
• M6: 787,034 km (0.05 R)
• M7: 999,314 km (0.111 R)
• M8: 1,181,225 km (0.101 R)
• M9: 1,409,062 km (0.038 R)
• M10: 1,506,151 km (0.103 R)
• M11: 1,578,258 km (0.059 R)
• M12: 1,744,760 km (0.07 R)
• M13: 1,859,202 km (0.082 R)
• M14: 2,176,649 km (0.105 R)
• M15: 2,383,992 km (0.05 R)
• M16: 2,630,529 km (0.08 R)
• M17: 2,729,413 km (0.104 R)
• M18: 2,851,784 km (0.098 R)
• M19: 3,010,358 km (0.082 R)
• M20: 3,148,736 km (0.056 R)
• M21: 3,600,671 km (0.085 R)
• M22: 3,673,974 km (0.118 R)
• M23: 3,834,343 km (0.099 R)
• M24: 4,073,251 km (0.12 R)
• M25: 4,200,858 km (0.114 R)
• M26: 4,278,050 km (0.063 R)
• M27: 4,738,213 km (0.086 R)
• M28: 5,076,604 km (0.113 R)
• M29: 5,777,021 km (0.09 R)
• M30: 5,935,296 km (0.112 R)
• M31: 6,007,701 km (0.117 R)
• M32: 6,300,165 km (0.113 R)
• M33: 6,388,876 km (0.104 R)
• M34: 6,597,416 km (0.111 R)
• M35: 6,975,450 km (0.114 R)
• M36: 7,067,303 km (0.063 R)
• M37: 7,174,863 km (0.107 R)
• M38: 7,438,455 km (0.115 R)
• M39: 7,689,630 km (0.052 R)
• M40: 7,784,475 km (0.115 R)
• M41: 8,055,397 km (0.094 R)
• M42: 8,200,058 km (0.103 R)
• M43: 8,508,379 km (0.029 R)
• M44: 8,721,556 km (0.098 R)
• M45: 8,919,923 km (0.068 R)
• M46: 9,119,785 km (0.107 R)
• M47: 9,237,070 km (0.081 R)
• M48: 9,694,092 km (0.115 R)
• M49: 9,796,716 km (0.075 R)
• M50: 9,951,250 km (0.097 R)
• M51: 10,037,568 km (0.052 R)
• M52: 10,158,593 km (0.1 R)
• M53: 10,245,509 km (0.044 R)
• M54: 10,560,114 km (0.066 R)
• M55: 10,860,207 km (0.067 R)
• M56: 11,020,127 km (0.06 R)
• M57: 11,180,945 km (0.116 R)
• M58: 11,324,559 km (0.116 R)
• M59: 11,396,515 km (0.078 R)
• M60: 11,559,128 km (0.058 R)
• M61: 11,996,552 km (0.087 R)
• M62: 12,125,207 km (0.112 R)
• M63: 12,217,359 km (0.049 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.8

Radius: 9.9

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.52 AU - 3.14 AU

Year: 3286 Days

Day: 6.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 41,724,096 km

• M1: 129,402 km (0.114 R)
• M2: 215,421 km (0.076 R)
• M3: 358,586 km (0.059 R)
• M4: 459,265 km (0.087 R)
• M5: 563,386 km (0.12 R)
• M6: 1,114,205 km (0.106 R)
• M7: 1,313,918 km (0.115 R)
• M8: 1,676,693 km (0.068 R)
• M9: 1,760,169 km (0.113 R)
• M10: 1,919,041 km (0.114 R)
• M11: 1,994,140 km (0.088 R)
• M12: 2,082,851 km (0.09 R)
• M13: 2,186,074 km (0.047 R)
• M14: 2,251,448 km (0.12 R)
• M15: 2,344,049 km (0.108 R)
• M16: 2,478,538 km (0.039 R)
• M17: 2,643,544 km (0.108 R)
• M18: 2,755,593 km (0.114 R)
• M19: 2,883,499 km (0.05 R)
• M20: 3,160,105 km (0.051 R)
• M21: 3,249,266 km (0.043 R)
• M22: 3,324,214 km (0.11 R)
• M23: 3,445,389 km (0.116 R)
• M24: 3,739,199 km (0.106 R)
• M25: 3,992,767 km (0.096 R)
• M26: 4,154,333 km (0.115 R)
• M27: 4,417,176 km (0.108 R)
• M28: 4,753,323 km (0.043 R)
• M29: 4,924,612 km (0.115 R)
• M30: 5,115,350 km (0.081 R)
• M31: 5,702,372 km (0.099 R)
• M32: 6,124,238 km (0.114 R)
• M33: 6,235,838 km (0.082 R)
• M34: 6,329,486 km (0.057 R)
• M35: 6,537,128 km (0.091 R)
• M36: 6,670,419 km (0.105 R)
• M37: 6,766,162 km (0.104 R)
• M38: 6,843,055 km (0.097 R)
• M39: 7,095,128 km (0.054 R)
• M40: 7,608,548 km (0.117 R)
• M41: 7,688,583 km (0.101 R)
• M42: 8,298,044 km (0.029 R)
• M43: 8,650,347 km (0.091 R)
• M44: 9,412,399 km (0.104 R)
• M45: 9,649,511 km (0.071 R)
• M46: 9,779,811 km (0.117 R)
• M47: 9,932,401 km (0.094 R)
• M48: 9,998,074 km (0.091 R)
• M49: 10,707,468 km (0.093 R)
• M50: 10,842,255 km (0.096 R)
• M51: 10,977,641 km (0.068 R)
• M52: 11,204,581 km (0.076 R)
• M53: 11,709,325 km (0.105 R)
• M54: 12,764,738 km (0.084 R)
• M55: 13,123,324 km (0.117 R)
• M56: 13,655,144 km (0.088 R)
• M57: 14,740,028 km (0.113 R)
• M58: 14,840,109 km (0.108 R)
• M59: 15,242,377 km (0.059 R)
• M60: 15,368,788 km (0.119 R)
• M61: 15,699,249 km (0.095 R)
• M62: 15,929,331 km (0.103 R)
• M63: 16,418,815 km (0.108 R)
• M64: 17,730,489 km (0.059 R)
• M65: 17,863,482 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 114.9

Radius: 6.7

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 8.42 AU - 10.34 AU

Year: 19830 Days

Day: 19.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 41,724,096 km

• M1: 97,987 km (0.08 R)
• M2: 228,586 km (0.064 R)
• M3: 534,962 km (0.108 R)
• M4: 710,739 km (0.061 R)
• M5: 1,007,990 km (0.091 R)
• M6: 1,226,403 km (0.08 R)
• M7: 1,400,086 km (0.09 R)
• M8: 1,990,250 km (0.045 R)
• M9: 2,125,935 km (0.105 R)
• M10: 2,899,656 km (0.106 R)
• M11: 2,950,668 km (0.102 R)
• M12: 3,001,980 km (0.093 R)
• M13: 3,079,622 km (0.04 R)
• M14: 3,210,520 km (0.095 R)
• M15: 3,396,769 km (0.069 R)
• M16: 3,504,779 km (0.114 R)
• M17: 3,559,233 km (0.104 R)
• M18: 3,641,511 km (0.111 R)
• M19: 3,752,064 km (0.04 R)
• M20: 3,835,689 km (0.085 R)
• M21: 4,350,904 km (0.061 R)
• M22: 4,796,856 km (0.084 R)
• M23: 4,979,216 km (0.109 R)
• M24: 5,350,966 km (0.083 R)
• M25: 5,476,928 km (0.053 R)
• M26: 5,796,020 km (0.072 R)
• M27: 5,892,959 km (0.084 R)
• M28: 6,088,334 km (0.089 R)
• M29: 6,653,814 km (0.03 R)
• M30: 6,721,432 km (0.108 R)
• M31: 7,131,929 km (0.081 R)
• M32: 9,002,949 km (0.07 R)
• M33: 9,760,663 km (0.085 R)
• M34: 12,112,640 km (0.059 R)
• M35: 12,737,212 km (0.065 R)
• M36: 14,061,153 km (0.087 R)
• M37: 14,191,602 km (0.1 R)
• M38: 14,366,033 km (0.12 R)
• M39: 14,453,697 km (0.102 R)
• M40: 15,428,178 km (0.104 R)
• M41: 15,742,782 km (0.106 R)
• M42: 16,059,331 km (0.038 R)
• M43: 16,744,938 km (0.063 R)
• M44: 16,975,618 km (0.116 R)
• M45: 17,114,595 km (0.082 R)
• M46: 17,580,293 km (0.118 R)
• M47: 20,117,473 km (0.12 R)
• M48: 21,203,853 km (0.032 R)
• M49: 22,106,825 km (0.119 R)
• M50: 22,359,795 km (0.086 R)
• M51: 22,919,890 km (0.059 R)
• M52: 24,314,142 km (0.094 R)
• M53: 24,366,352 km (0.081 R)
• M54: 25,788,878 km (0.116 R)
• M55: 25,948,499 km (0.102 R)
• M56: 26,055,162 km (0.105 R)
• M57: 27,400,645 km (0.073 R)
• M58: 27,563,707 km (0.085 R)
• M59: 27,672,465 km (0.104 R)
• M60: 28,218,796 km (0.065 R)
• M61: 28,713,516 km (0.102 R)
• M62: 28,989,674 km (0.111 R)
• M63: 29,266,579 km (0.093 R)
• M64: 29,488,882 km (0.045 R)
• M65: 29,711,633 km (0.092 R)
• M66: 30,946,713 km (0.074 R)
• M67: 33,351,050 km (0.071 R)
• M68: 34,107,417 km (0.112 R)
• M69: 34,634,301 km (0.084 R)
• M70: 35,222,819 km (0.104 R)
• M71: 35,992,948 km (0.085 R)
• M72: 36,171,419 km (0.107 R)
• M73: 36,409,878 km (0.096 R)
• M74: 36,648,935 km (0.119 R)
• M75: 37,188,535 km (0.086 R)
• M76: 38,762,304 km (0.061 R)
• M77: 40,234,048 km (0.085 R)
• M78: 40,728,768 km (0.109 R)
• M79: 41,163,201 km (0.099 R)
• M80: 41,349,899 km (0.095 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 350 - 10,839 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit