🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.58 AU - 0.62 AU

Year: 300 Days

Day: 21.6 Hours

Environment

Temp: -119 °C

Axial Tilt: 14.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.3

Radius: 14.7

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.88 AU - 0.9 AU

Year: 542 Days

Day: 6.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 26,798,805 km

• M1: 233,073 km (0.083 R)
• M2: 335,398 km (0.05 R)
• M3: 464,352 km (0.053 R)
• M4: 578,645 km (0.106 R)
• M5: 692,189 km (0.109 R)
• M6: 877,691 km (0.099 R)
• M7: 990,488 km (0.06 R)
• M8: 1,132,306 km (0.073 R)
• M9: 1,339,799 km (0.083 R)
• M10: 1,459,477 km (0.033 R)
• M11: 1,551,629 km (0.1 R)
• M12: 1,673,402 km (0.119 R)
• M13: 1,765,853 km (0.095 R)
• M14: 1,946,418 km (0.065 R)
• M15: 2,039,019 km (0.082 R)
• M16: 2,148,225 km (0.06 R)
• M17: 2,244,267 km (0.118 R)
• M18: 2,362,599 km (0.112 R)
• M19: 2,477,790 km (0.086 R)
• M20: 2,584,154 km (0.076 R)
• M21: 2,724,925 km (0.11 R)
• M22: 2,896,065 km (0.049 R)
• M23: 3,116,722 km (0.061 R)
• M24: 3,255,250 km (0.053 R)
• M25: 3,407,839 km (0.077 R)
• M26: 3,502,984 km (0.11 R)
• M27: 3,683,698 km (0.096 R)
• M28: 3,818,186 km (0.082 R)
• M29: 3,935,770 km (0.117 R)
• M30: 4,123,965 km (0.083 R)
• M31: 4,373,045 km (0.103 R)
• M32: 4,496,314 km (0.035 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.7

Radius: 13

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.88 AU - 1 AU

Year: 588 Days

Day: 13.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 26,798,805 km

• M1: 200,012 km (0.087 R)
• M2: 379,530 km (0.094 R)
• M3: 464,202 km (0.092 R)
• M4: 550,071 km (0.116 R)
• M5: 755,170 km (0.051 R)
• M6: 856,298 km (0.053 R)
• M7: 1,007,392 km (0.062 R)
• M8: 1,189,602 km (0.051 R)
• M9: 1,354,908 km (0.058 R)
• M10: 1,446,462 km (0.061 R)
• M11: 1,551,928 km (0.096 R)
• M12: 1,636,002 km (0.079 R)
• M13: 1,764,956 km (0.053 R)
• M14: 1,916,798 km (0.112 R)
• M15: 2,053,380 km (0.117 R)
• M16: 2,206,868 km (0.044 R)
• M17: 2,371,126 km (0.113 R)
• M18: 2,546,754 km (0.032 R)
• M19: 2,741,381 km (0.045 R)
• M20: 2,829,494 km (0.116 R)
• M21: 2,925,985 km (0.066 R)
• M22: 3,046,411 km (0.074 R)
• M23: 3,130,186 km (0.109 R)
• M24: 3,284,421 km (0.057 R)
• M25: 3,457,207 km (0.112 R)
• M26: 3,697,760 km (0.112 R)
• M27: 3,803,675 km (0.08 R)
• M28: 3,902,410 km (0.11 R)
• M29: 4,060,535 km (0.1 R)
• M30: 4,212,227 km (0.086 R)
• M31: 4,495,416 km (0.076 R)
• M32: 4,678,973 km (0.033 R)
• M33: 4,820,492 km (0.116 R)
• M34: 4,918,628 km (0.102 R)
• M35: 5,053,566 km (0.077 R)
• M36: 5,465,857 km (0.1 R)
• M37: 5,596,307 km (0.082 R)
• M38: 5,690,254 km (0.08 R)
• M39: 5,974,939 km (0.09 R)
• M40: 6,070,981 km (0.058 R)
• M41: 6,186,919 km (0.088 R)
• M42: 6,274,284 km (0.118 R)
• M43: 6,391,419 km (0.118 R)
• M44: 6,489,556 km (0.064 R)
• M45: 6,627,934 km (0.075 R)
• M46: 6,727,416 km (0.064 R)
• M47: 6,827,348 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343

Radius: 13.7

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.53 AU - 2.53 AU

Year: 1867 Days

Day: 14.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (60)

Outer Limit: 26,798,805 km

• M1: 172,337 km (0.118 R)
• M2: 279,748 km (0.119 R)
• M3: 402,418 km (0.102 R)
• M4: 529,576 km (0.055 R)
• M5: 617,839 km (0.12 R)
• M6: 772,075 km (0.082 R)
• M7: 955,332 km (0.098 R)
• M8: 1,194,240 km (0.116 R)
• M9: 1,376,151 km (0.091 R)
• M10: 1,712,746 km (0.08 R)
• M11: 1,834,070 km (0.063 R)
• M12: 1,948,811 km (0.049 R)
• M13: 2,115,613 km (0.066 R)
• M14: 2,318,169 km (0.097 R)
• M15: 2,474,498 km (0.054 R)
• M16: 2,742,877 km (0.114 R)
• M17: 2,908,482 km (0.065 R)
• M18: 3,009,610 km (0.11 R)
• M19: 3,123,304 km (0.057 R)
• M20: 3,378,668 km (0.067 R)
• M21: 3,592,742 km (0.102 R)
• M22: 3,860,672 km (0.116 R)
• M23: 3,972,123 km (0.119 R)
• M24: 4,072,204 km (0.067 R)
• M25: 4,249,328 km (0.113 R)
• M26: 4,351,652 km (0.03 R)
• M27: 4,585,175 km (0.03 R)
• M28: 4,902,921 km (0.061 R)
• M29: 5,078,100 km (0.066 R)
• M30: 5,560,254 km (0.099 R)
• M31: 5,714,788 km (0.089 R)
• M32: 5,956,538 km (0.103 R)
• M33: 6,100,302 km (0.07 R)
• M34: 6,627,784 km (0.066 R)
• M35: 6,732,054 km (0.075 R)
• M36: 6,851,882 km (0.112 R)
• M37: 6,957,348 km (0.111 R)
• M38: 7,063,263 km (0.074 R)
• M39: 7,261,630 km (0.053 R)
• M40: 7,369,191 km (0.084 R)
• M41: 7,508,317 km (0.088 R)
• M42: 7,710,723 km (0.032 R)
• M43: 8,009,919 km (0.077 R)
• M44: 8,152,934 km (0.097 R)
• M45: 8,280,841 km (0.104 R)
• M46: 8,393,338 km (0.114 R)
• M47: 8,522,441 km (0.066 R)
• M48: 9,062,190 km (0.052 R)
• M49: 9,512,181 km (0.097 R)
• M50: 9,714,587 km (0.069 R)
• M51: 9,850,272 km (0.068 R)
• M52: 10,123,587 km (0.093 R)
• M53: 10,226,660 km (0.065 R)
• M54: 10,312,978 km (0.074 R)
• M55: 10,590,482 km (0.068 R)
• M56: 10,817,871 km (0.054 R)
• M57: 11,046,756 km (0.095 R)
• M58: 11,402,200 km (0.096 R)
• M59: 12,288,867 km (0.096 R)
• M60: 12,380,720 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.1

Radius: 9.5

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.62 AU - 2.88 AU

Year: 2945 Days

Day: 14.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 26,798,805 km

• M1: 121,922 km (0.115 R)
• M2: 229,782 km (0.035 R)
• M3: 305,778 km (0.104 R)
• M4: 536,757 km (0.08 R)
• M5: 601,084 km (0.107 R)
• M6: 718,219 km (0.118 R)
• M7: 843,582 km (0.037 R)
• M8: 920,326 km (0.069 R)
• M9: 1,069,326 km (0.077 R)
• M10: 1,165,218 km (0.112 R)
• M11: 1,289,384 km (0.041 R)
• M12: 1,858,454 km (0.104 R)
• M13: 2,064,151 km (0.03 R)
• M14: 2,371,126 km (0.109 R)
• M15: 2,791,945 km (0.075 R)
• M16: 2,892,325 km (0.108 R)
• M17: 3,011,106 km (0.108 R)
• M18: 3,183,592 km (0.062 R)
• M19: 3,430,728 km (0.077 R)
• M20: 3,647,495 km (0.059 R)
• M21: 3,850,200 km (0.088 R)
• M22: 4,075,644 km (0.057 R)
• M23: 4,539,398 km (0.102 R)
• M24: 4,618,385 km (0.115 R)
• M25: 4,817,650 km (0.086 R)
• M26: 4,918,479 km (0.037 R)
• M27: 5,040,401 km (0.091 R)
• M28: 5,101,736 km (0.113 R)
• M29: 5,474,833 km (0.091 R)
• M30: 6,051,084 km (0.063 R)
• M31: 6,181,833 km (0.094 R)
• M32: 6,423,882 km (0.106 R)
• M33: 6,490,453 km (0.077 R)
• M34: 6,826,899 km (0.058 R)
• M35: 6,963,033 km (0.087 R)
• M36: 7,054,288 km (0.112 R)
• M37: 7,214,956 km (0.025 R)
• M38: 7,423,346 km (0.119 R)
• M39: 7,680,654 km (0.051 R)
• M40: 7,798,687 km (0.094 R)
• M41: 7,893,532 km (0.117 R)
• M42: 8,084,269 km (0.096 R)
• M43: 8,276,652 km (0.096 R)
• M44: 8,543,534 km (0.107 R)
• M45: 9,386,518 km (0.07 R)
• M46: 9,462,215 km (0.109 R)
• M47: 9,563,493 km (0.056 R)
• M48: 9,894,852 km (0.117 R)
• M49: 9,971,895 km (0.052 R)
• M50: 10,359,952 km (0.025 R)
• M51: 10,752,945 km (0.082 R)
• M52: 11,204,282 km (0.103 R)
• M53: 11,311,394 km (0.114 R)
• M54: 11,553,743 km (0.105 R)
• M55: 12,043,377 km (0.088 R)
• M56: 12,762,643 km (0.094 R)
• M57: 12,930,642 km (0.041 R)
• M58: 13,467,399 km (0.096 R)
• M59: 14,358,703 km (0.114 R)
• M60: 14,973,400 km (0.118 R)
• M61: 15,686,384 km (0.095 R)
• M62: 16,380,069 km (0.106 R)
• M63: 16,501,692 km (0.071 R)
• M64: 16,562,579 km (0.067 R)
• M65: 16,837,839 km (0.026 R)
• M66: 16,899,174 km (0.073 R)
• M67: 16,960,659 km (0.055 R)
• M68: 17,176,229 km (0.075 R)
• M69: 17,641,329 km (0.089 R)
• M70: 19,542,718 km (0.081 R)
• M71: 19,671,671 km (0.077 R)
• M72: 19,865,849 km (0.076 R)
• M73: 20,419,361 km (0.119 R)
• M74: 20,550,409 km (0.066 R)
• M75: 21,508,284 km (0.05 R)
• M76: 21,942,417 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.4

Radius: 10.8

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.4 AU - 3.82 AU

Year: 3541 Days

Day: 6.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 26,798,805 km

• M1: 250,876 km (0.056 R)
• M2: 421,118 km (0.11 R)
• M3: 508,334 km (0.072 R)
• M4: 681,269 km (0.066 R)
• M5: 818,450 km (0.107 R)
• M6: 1,135,597 km (0.088 R)
• M7: 1,353,412 km (0.083 R)
• M8: 1,561,203 km (0.092 R)
• M9: 1,897,051 km (0.1 R)
• M10: 1,999,675 km (0.098 R)
• M11: 2,328,192 km (0.076 R)
• M12: 2,578,918 km (0.104 R)
• M13: 2,693,210 km (0.098 R)
• M14: 2,887,538 km (0.041 R)
• M15: 2,956,652 km (0.082 R)
• M16: 3,466,482 km (0.046 R)
• M17: 3,710,476 km (0.106 R)
• M18: 4,694,980 km (0.097 R)
• M19: 4,988,939 km (0.091 R)
• M20: 5,072,265 km (0.051 R)
• M21: 5,582,394 km (0.03 R)
• M22: 6,096,263 km (0.111 R)
• M23: 6,730,408 km (0.093 R)
• M24: 7,062,067 km (0.095 R)
• M25: 7,169,328 km (0.061 R)
• M26: 7,331,193 km (0.116 R)
• M27: 8,102,969 km (0.118 R)
• M28: 9,618,694 km (0.064 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.1

Radius: 8.6

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.78 AU - 5.48 AU

Year: 6433 Days

Day: 5.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 26,798,805 km

• M1: 116,238 km (0.059 R)
• M2: 170,242 km (0.111 R)
• M3: 264,040 km (0.087 R)
• M4: 645,365 km (0.093 R)
• M5: 722,408 km (0.119 R)
• M6: 1,011,581 km (0.087 R)
• M7: 1,210,247 km (0.096 R)
• M8: 1,554,322 km (0.112 R)
• M9: 1,706,613 km (0.066 R)
• M10: 1,768,995 km (0.108 R)
• M11: 1,944,324 km (0.056 R)
• M12: 2,125,487 km (0.112 R)
• M13: 2,209,710 km (0.117 R)
• M14: 2,346,891 km (0.071 R)
• M15: 2,433,957 km (0.089 R)
• M16: 2,647,583 km (0.1 R)
• M17: 2,702,037 km (0.107 R)
• M18: 2,756,790 km (0.067 R)
• M19: 2,941,992 km (0.119 R)
• M20: 3,017,239 km (0.098 R)
• M21: 3,074,236 km (0.083 R)
• M22: 3,285,917 km (0.104 R)
• M23: 3,703,146 km (0.07 R)
• M24: 3,784,677 km (0.107 R)
• M25: 3,990,822 km (0.086 R)
• M26: 4,200,708 km (0.105 R)
• M27: 4,986,247 km (0.118 R)
• M28: 5,349,769 km (0.119 R)
• M29: 5,442,071 km (0.099 R)
• M30: 5,745,605 km (0.12 R)
• M31: 6,223,271 km (0.105 R)
• M32: 7,039,178 km (0.069 R)
• M33: 7,140,456 km (0.101 R)
• M34: 7,601,816 km (0.043 R)
• M35: 7,941,104 km (0.038 R)
• M36: 8,311,957 km (0.064 R)
• M37: 8,365,513 km (0.12 R)
• M38: 9,015,815 km (0.041 R)
• M39: 9,180,971 km (0.1 R)
• M40: 9,236,173 km (0.113 R)
• M41: 9,598,199 km (0.116 R)
• M42: 10,021,711 km (0.096 R)
• M43: 10,278,720 km (0.113 R)
• M44: 10,422,484 km (0.107 R)
• M45: 11,033,441 km (0.069 R)
• M46: 11,298,828 km (0.107 R)
• M47: 11,626,148 km (0.098 R)
• M48: 11,775,896 km (0.099 R)
• M49: 11,986,679 km (0.073 R)
• M50: 12,107,704 km (0.109 R)
• M51: 12,411,986 km (0.092 R)
• M52: 12,688,143 km (0.118 R)
• M53: 12,935,129 km (0.083 R)
• M54: 13,028,179 km (0.047 R)
• M55: 13,465,454 km (0.09 R)
• M56: 13,622,831 km (0.096 R)
• M57: 14,290,337 km (0.12 R)
• M58: 15,327,947 km (0.075 R)
• M59: 15,922,150 km (0.096 R)
• M60: 16,222,244 km (0.102 R)
• M61: 16,523,982 km (0.118 R)
• M62: 17,303,836 km (0.101 R)
• M63: 17,406,460 km (0.06 R)
• M64: 17,577,899 km (0.107 R)
• M65: 18,304,047 km (0.109 R)
• M66: 18,478,479 km (0.052 R)
• M67: 18,583,347 km (0.068 R)
• M68: 18,688,364 km (0.052 R)
• M69: 18,793,681 km (0.051 R)
• M70: 19,429,472 km (0.108 R)
• M71: 19,642,948 km (0.098 R)
• M72: 19,821,568 km (0.084 R)
• M73: 21,415,683 km (0.119 R)
• M74: 21,488,986 km (0.097 R)
• M75: 21,783,694 km (0.051 R)
• M76: 21,968,447 km (0.105 R)
• M77: 22,414,099 km (0.104 R)
• M78: 22,563,248 km (0.066 R)
• M79: 22,750,246 km (0.102 R)
• M80: 23,579,018 km (0.065 R)
• M81: 23,768,858 km (0.075 R)
• M82: 24,264,625 km (0.097 R)
• M83: 24,648,194 km (0.111 R)
• M84: 24,995,261 km (0.11 R)
• M85: 25,266,183 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 51.7

Radius: 5.9

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 7.41 AU - 9.03 AU

Year: 15217 Days

Day: 20.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 26,798,805 km

• M1: 185,352 km (0.104 R)
• M2: 363,224 km (0.062 R)
• M3: 747,391 km (0.059 R)
• M4: 880,832 km (0.084 R)
• M5: 1,897,200 km (0.119 R)
• M6: 2,080,458 km (0.096 R)
• M7: 2,131,321 km (0.113 R)
• M8: 2,392,369 km (0.091 R)
• M9: 2,682,140 km (0.119 R)
• M10: 3,254,950 km (0.117 R)
• M11: 3,534,998 km (0.073 R)
• M12: 3,760,591 km (0.068 R)
• M13: 4,011,916 km (0.042 R)
• M14: 4,118,280 km (0.068 R)
• M15: 4,888,559 km (0.116 R)
• M16: 5,870,071 km (0.084 R)
• M17: 6,259,773 km (0.12 R)
• M18: 6,457,691 km (0.087 R)
• M19: 6,557,473 km (0.111 R)
• M20: 6,657,704 km (0.083 R)
• M21: 6,783,815 km (0.089 R)
• M22: 7,556,637 km (0.104 R)
• M23: 7,688,134 km (0.115 R)
• M24: 7,847,007 km (0.079 R)
• M25: 8,275,754 km (0.086 R)
• M26: 8,438,517 km (0.098 R)
• M27: 8,684,755 km (0.077 R)
• M28: 9,240,212 km (0.108 R)
• M29: 9,921,929 km (0.086 R)
• M30: 10,065,842 km (0.03 R)
• M31: 10,181,631 km (0.081 R)
• M32: 10,268,697 km (0.101 R)
• M33: 11,093,580 km (0.051 R)
• M34: 12,339,281 km (0.116 R)
• M35: 12,587,464 km (0.057 R)
• M36: 14,927,474 km (0.082 R)
• M37: 15,092,480 km (0.089 R)
• M38: 16,163,452 km (0.117 R)
• M39: 17,885,323 km (0.054 R)
• M40: 17,955,335 km (0.116 R)
• M41: 19,089,137 km (0.113 R)
• M42: 19,340,162 km (0.077 R)
• M43: 20,943,253 km (0.097 R)
• M44: 21,499,308 km (0.057 R)
• M45: 22,173,247 km (0.109 R)
• M46: 22,853,917 km (0.095 R)
• M47: 23,695,256 km (0.072 R)
• M48: 24,235,902 km (0.095 R)
• M49: 24,780,588 km (0.059 R)
• M50: 25,723,803 km (0.042 R)
• M51: 26,319,202 km (0.092 R)
• M52: 26,798,813 km (0.057 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: 445 - 17,047 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit