🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.52 AU - 0.58 AU

Year: 259 Days

Day: 25 Hours

Environment

Temp: -125 °C

Axial Tilt: 20.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 31,612,910 km

• M1: 161,267 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.6

Radius: 9.8

Gravity: 10.13 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.54 AU - 0.82 AU

Year: 357 Days

Day: 7.5 Hours

Environment

Temp: -135 °C

Axial Tilt: 177.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (50)

Outer Limit: 31,612,910 km

• M1: 130,300 km (0.07 R)
• M2: 229,932 km (0.104 R)
• M3: 299,794 km (0.1 R)
• M4: 389,702 km (0.107 R)
• M5: 457,171 km (0.106 R)
• M6: 636,838 km (0.103 R)
• M7: 703,559 km (0.055 R)
• M8: 772,823 km (0.108 R)
• M9: 945,907 km (0.066 R)
• M10: 1,060,799 km (0.103 R)
• M11: 1,165,966 km (0.097 R)
• M12: 1,254,677 km (0.089 R)
• M13: 1,351,018 km (0.081 R)
• M14: 1,439,281 km (0.103 R)
• M15: 1,540,409 km (0.096 R)
• M16: 1,633,010 km (0.114 R)
• M17: 1,863,989 km (0.074 R)
• M18: 1,951,355 km (0.094 R)
• M19: 2,028,098 km (0.06 R)
• M20: 2,136,108 km (0.12 R)
• M21: 2,320,413 km (0.084 R)
• M22: 2,446,224 km (0.079 R)
• M23: 2,606,743 km (0.082 R)
• M24: 2,784,166 km (0.057 R)
• M25: 2,911,474 km (0.095 R)
• M26: 2,992,855 km (0.088 R)
• M27: 3,061,221 km (0.066 R)
• M28: 3,123,304 km (0.095 R)
• M29: 3,185,687 km (0.103 R)
• M30: 3,255,549 km (0.096 R)
• M31: 3,333,041 km (0.079 R)
• M32: 3,533,203 km (0.112 R)
• M33: 3,627,449 km (0.102 R)
• M34: 3,715,114 km (0.101 R)
• M35: 3,803,675 km (0.114 R)
• M36: 3,877,876 km (0.107 R)
• M37: 3,960,155 km (0.055 R)
• M38: 4,111,249 km (0.077 R)
• M39: 4,225,841 km (0.053 R)
• M40: 4,318,292 km (0.106 R)
• M41: 4,442,608 km (0.107 R)
• M42: 4,758,708 km (0.066 R)
• M43: 4,976,224 km (0.072 R)
• M44: 5,090,367 km (0.113 R)
• M45: 5,180,574 km (0.092 R)
• M46: 5,263,152 km (0.114 R)
• M47: 5,362,784 km (0.101 R)
• M48: 5,504,902 km (0.09 R)
• M49: 5,716,434 km (0.076 R)
• M50: 5,801,705 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.4

Radius: 13.6

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.66 AU - 0.78 AU

Year: 388 Days

Day: 10.7 Hours

Environment

Temp: -136 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 31,612,910 km

• M1: 169,644 km (0.084 R)
• M2: 293,960 km (0.111 R)
• M3: 389,553 km (0.041 R)
• M4: 481,406 km (0.088 R)
• M5: 635,791 km (0.071 R)
• M6: 726,447 km (0.056 R)
• M7: 874,400 km (0.119 R)
• M8: 968,497 km (0.116 R)
• M9: 1,076,057 km (0.081 R)
• M10: 1,163,273 km (0.069 R)
• M11: 1,309,430 km (0.116 R)
• M12: 1,445,863 km (0.088 R)
• M13: 1,637,648 km (0.118 R)
• M14: 1,808,937 km (0.119 R)
• M15: 2,071,332 km (0.083 R)
• M16: 2,157,500 km (0.053 R)
• M17: 2,430,068 km (0.115 R)
• M18: 2,626,939 km (0.1 R)
• M19: 2,884,097 km (0.058 R)
• M20: 3,008,862 km (0.072 R)
• M21: 3,171,026 km (0.066 R)
• M22: 3,365,055 km (0.091 R)
• M23: 3,570,602 km (0.075 R)
• M24: 3,667,541 km (0.117 R)
• M25: 3,803,077 km (0.085 R)
• M26: 3,948,037 km (0.095 R)
• M27: 4,032,859 km (0.056 R)
• M28: 4,133,988 km (0.088 R)
• M29: 4,426,152 km (0.094 R)
• M30: 4,627,511 km (0.076 R)
• M31: 4,815,555 km (0.115 R)
• M32: 5,064,486 km (0.11 R)
• M33: 5,173,842 km (0.086 R)
• M34: 5,266,892 km (0.032 R)
• M35: 5,386,122 km (0.116 R)
• M36: 5,872,315 km (0.042 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37

Radius: 12.8

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.79 AU - 1.01 AU

Year: 543 Days

Day: 9 Hours

Environment

Temp: -157 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,612,910 km

• M1: 160,369 km (0.037 R)
• M2: 256,710 km (0.077 R)
• M3: 342,280 km (0.047 R)
• M4: 580,141 km (0.109 R)
• M5: 804,089 km (0.057 R)
• M6: 907,610 km (0.107 R)
• M7: 993,031 km (0.114 R)
• M8: 1,113,457 km (0.082 R)
• M9: 1,407,716 km (0.079 R)
• M10: 1,584,241 km (0.113 R)
• M11: 1,823,000 km (0.072 R)
• M12: 1,933,552 km (0.102 R)
• M13: 2,056,672 km (0.088 R)
• M14: 2,161,988 km (0.082 R)
• M15: 2,385,188 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.8

Radius: 12.9

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.81 AU - 1.17 AU

Year: 626 Days

Day: 5.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 136 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 31,612,910 km

• M1: 164,258 km (0.059 R)
• M2: 258,505 km (0.07 R)
• M3: 391,498 km (0.114 R)
• M4: 497,862 km (0.109 R)
• M5: 596,746 km (0.096 R)
• M6: 742,753 km (0.044 R)
• M7: 940,372 km (0.103 R)
• M8: 1,068,727 km (0.108 R)
• M9: 1,230,293 km (0.098 R)
• M10: 1,721,871 km (0.119 R)
• M11: 1,850,974 km (0.074 R)
• M12: 1,951,654 km (0.03 R)
• M13: 2,041,263 km (0.107 R)
• M14: 2,158,697 km (0.101 R)
• M15: 2,407,329 km (0.117 R)
• M16: 2,573,682 km (0.085 R)
• M17: 2,672,566 km (0.102 R)
• M18: 2,779,977 km (0.114 R)
• M19: 2,867,043 km (0.099 R)
• M20: 3,051,198 km (0.059 R)
• M21: 3,186,435 km (0.064 R)
• M22: 3,292,948 km (0.106 R)
• M23: 3,447,184 km (0.104 R)
• M24: 3,564,468 km (0.086 R)
• M25: 3,691,178 km (0.058 R)
• M26: 3,884,010 km (0.054 R)
• M27: 4,030,915 km (0.044 R)
• M28: 4,179,615 km (0.096 R)
• M29: 4,576,797 km (0.109 R)
• M30: 4,671,493 km (0.098 R)
• M31: 4,784,290 km (0.055 R)
• M32: 4,897,984 km (0.071 R)
• M33: 5,146,017 km (0.104 R)
• M34: 5,280,655 km (0.091 R)
• M35: 5,452,992 km (0.117 R)
• M36: 5,535,121 km (0.111 R)
• M37: 5,636,249 km (0.029 R)
• M38: 5,728,701 km (0.106 R)
• M39: 5,840,301 km (0.102 R)
• M40: 6,075,170 km (0.113 R)
• M41: 6,246,309 km (0.08 R)
• M42: 6,342,052 km (0.086 R)
• M43: 6,554,332 km (0.061 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.1

Radius: 13.4

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.2 AU - 1.48 AU

Year: 986 Days

Day: 8.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 75.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 31,612,910 km

• M1: 214,972 km (0.078 R)
• M2: 331,359 km (0.115 R)
• M3: 459,415 km (0.117 R)
• M4: 557,402 km (0.095 R)
• M5: 774,917 km (0.071 R)
• M6: 918,980 km (0.042 R)
• M7: 1,033,422 km (0.102 R)
• M8: 1,308,533 km (0.1 R)
• M9: 1,401,433 km (0.095 R)
• M10: 1,509,742 km (0.111 R)
• M11: 1,681,031 km (0.069 R)
• M12: 1,803,702 km (0.069 R)
• M13: 1,894,059 km (0.095 R)
• M14: 2,101,700 km (0.083 R)
• M15: 2,189,814 km (0.046 R)
• M16: 2,423,635 km (0.104 R)
• M17: 2,531,944 km (0.091 R)
• M18: 2,618,262 km (0.108 R)
• M19: 2,753,648 km (0.057 R)
• M20: 3,081,567 km (0.067 R)
• M21: 3,216,354 km (0.108 R)
• M22: 3,413,524 km (0.09 R)
• M23: 3,535,746 km (0.114 R)
• M24: 3,659,314 km (0.063 R)
• M25: 3,748,474 km (0.076 R)
• M26: 3,910,788 km (0.083 R)
• M27: 4,112,445 km (0.084 R)
• M28: 4,393,091 km (0.092 R)
• M29: 4,555,106 km (0.053 R)
• M30: 4,738,363 km (0.056 R)
• M31: 4,855,348 km (0.116 R)
• M32: 5,182,369 km (0.115 R)
• M33: 5,526,744 km (0.091 R)
• M34: 5,764,006 km (0.115 R)
• M35: 5,878,748 km (0.079 R)
• M36: 6,131,718 km (0.064 R)
• M37: 6,626,438 km (0.087 R)
• M38: 6,746,714 km (0.107 R)
• M39: 6,834,678 km (0.092 R)
• M40: 6,978,441 km (0.107 R)
• M41: 7,112,032 km (0.099 R)
• M42: 7,201,492 km (0.057 R)
• M43: 7,873,336 km (0.116 R)

Asteroid Belt

Center: 2.04 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.2

Radius: 11

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.3 AU - 3.18 AU

Year: 2884 Days

Day: 12.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 31,612,910 km

• M1: 159,621 km (0.078 R)
• M2: 319,391 km (0.102 R)
• M3: 427,551 km (0.104 R)
• M4: 716,125 km (0.107 R)
• M5: 838,945 km (0.114 R)
• M6: 1,240,466 km (0.119 R)
• M7: 1,391,111 km (0.061 R)
• M8: 1,486,853 km (0.091 R)
• M9: 1,775,278 km (0.102 R)
• M10: 1,986,510 km (0.057 R)
• M11: 2,234,095 km (0.066 R)
• M12: 2,669,275 km (0.103 R)
• M13: 3,146,791 km (0.07 R)
• M14: 3,371,188 km (0.052 R)
• M15: 3,534,848 km (0.086 R)
• M16: 3,751,615 km (0.094 R)
• M17: 3,955,517 km (0.11 R)
• M18: 4,093,447 km (0.105 R)
• M19: 4,163,159 km (0.093 R)
• M20: 4,268,326 km (0.107 R)
• M21: 4,661,619 km (0.107 R)
• M22: 4,881,079 km (0.117 R)
• M23: 5,273,475 km (0.102 R)
• M24: 5,444,914 km (0.107 R)
• M25: 5,930,508 km (0.076 R)
• M26: 6,029,243 km (0.071 R)
• M27: 6,288,795 km (0.12 R)
• M28: 6,409,820 km (0.101 R)
• M29: 6,490,902 km (0.111 R)
• M30: 6,798,176 km (0.106 R)
• M31: 6,901,698 km (0.118 R)
• M32: 7,068,350 km (0.063 R)
• M33: 7,194,162 km (0.104 R)
• M34: 7,791,655 km (0.117 R)
• M35: 7,899,964 km (0.069 R)
• M36: 8,096,386 km (0.115 R)
• M37: 8,228,182 km (0.069 R)
• M38: 8,427,297 km (0.091 R)
• M39: 8,740,106 km (0.091 R)
• M40: 8,875,342 km (0.047 R)
• M41: 8,988,588 km (0.108 R)
• M42: 9,102,282 km (0.098 R)
• M43: 9,170,798 km (0.1 R)
• M44: 9,864,932 km (0.102 R)
• M45: 10,052,827 km (0.088 R)
• M46: 10,289,491 km (0.093 R)
• M47: 10,408,571 km (0.087 R)
• M48: 10,552,035 km (0.062 R)
• M49: 11,059,172 km (0.072 R)
• M50: 11,401,751 km (0.113 R)
• M51: 11,549,704 km (0.074 R)
• M52: 12,122,514 km (0.051 R)
• M53: 12,526,578 km (0.056 R)
• M54: 12,602,723 km (0.114 R)
• M55: 12,832,356 km (0.071 R)
• M56: 13,869,967 km (0.108 R)
• M57: 14,292,431 km (0.045 R)
• M58: 16,162,704 km (0.088 R)
• M59: 16,859,231 km (0.038 R)
• M60: 17,622,480 km (0.098 R)
• M61: 17,850,916 km (0.068 R)
• M62: 18,051,526 km (0.092 R)
• M63: 18,281,608 km (0.042 R)
• M64: 18,425,970 km (0.088 R)
• M65: 18,541,758 km (0.116 R)
• M66: 18,686,719 km (0.06 R)
• M67: 19,036,329 km (0.117 R)
• M68: 19,153,464 km (0.114 R)
• M69: 19,270,749 km (0.09 R)
• M70: 19,388,183 km (0.109 R)
• M71: 19,623,949 km (0.037 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.1

Radius: 13.5

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.89 AU - 3.23 AU

Year: 3403 Days

Day: 9.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 31,612,910 km

• M1: 189,840 km (0.088 R)
• M2: 351,256 km (0.035 R)
• M3: 562,338 km (0.094 R)
• M4: 899,233 km (0.105 R)
• M5: 1,077,553 km (0.063 R)
• M6: 1,345,034 km (0.114 R)
• M7: 1,487,152 km (0.095 R)
• M8: 1,618,051 km (0.104 R)
• M9: 1,778,569 km (0.08 R)
• M10: 2,330,585 km (0.063 R)
• M11: 2,484,073 km (0.095 R)
• M12: 3,195,560 km (0.11 R)
• M13: 4,152,538 km (0.096 R)
• M14: 4,578,443 km (0.105 R)
• M15: 4,784,439 km (0.118 R)
• M16: 5,395,696 km (0.099 R)
• M17: 5,847,482 km (0.117 R)
• M18: 6,031,637 km (0.08 R)
• M19: 6,177,794 km (0.029 R)
• M20: 6,338,462 km (0.097 R)
• M21: 6,760,178 km (0.113 R)
• M22: 7,135,070 km (0.099 R)
• M23: 7,275,543 km (0.087 R)
• M24: 7,717,156 km (0.111 R)
• M25: 7,832,645 km (0.055 R)
• M26: 9,109,314 km (0.081 R)
• M27: 9,477,175 km (0.108 R)
• M28: 9,600,892 km (0.11 R)
• M29: 10,038,167 km (0.096 R)
• M30: 10,259,272 km (0.06 R)
• M31: 10,434,152 km (0.113 R)
• M32: 10,754,591 km (0.108 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.1

Radius: 8.1

Gravity: 10.37 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.73 AU - 4.57 AU

Year: 5375 Days

Day: 6.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 31,612,910 km

• M1: 123,269 km (0.032 R)
• M2: 196,572 km (0.099 R)
• M3: 485,295 km (0.09 R)
• M4: 635,043 km (0.119 R)
• M5: 813,812 km (0.094 R)
• M6: 965,804 km (0.1 R)
• M7: 1,097,300 km (0.104 R)
• M8: 1,234,781 km (0.105 R)
• M9: 1,443,619 km (0.081 R)
• M10: 1,646,474 km (0.092 R)
• M11: 1,786,947 km (0.039 R)
• M12: 2,005,210 km (0.114 R)
• M13: 2,061,010 km (0.076 R)
• M14: 2,251,298 km (0.086 R)
• M15: 2,427,525 km (0.104 R)
• M16: 2,567,698 km (0.114 R)
• M17: 2,731,208 km (0.092 R)
• M18: 2,919,253 km (0.091 R)
• M19: 3,090,094 km (0.057 R)
• M20: 3,396,919 km (0.107 R)
• M21: 3,852,145 km (0.073 R)
• M22: 4,063,377 km (0.058 R)
• M23: 4,206,393 km (0.072 R)
• M24: 4,448,293 km (0.092 R)
• M25: 4,570,963 km (0.114 R)
• M26: 4,645,163 km (0.046 R)
• M27: 5,124,176 km (0.089 R)
• M28: 5,201,219 km (0.108 R)
• M29: 5,252,830 km (0.076 R)
• M30: 5,356,501 km (0.105 R)
• M31: 5,487,250 km (0.099 R)
• M32: 5,804,996 km (0.069 R)
• M33: 6,074,571 km (0.109 R)
• M34: 6,625,690 km (0.063 R)
• M35: 7,135,519 km (0.102 R)
• M36: 7,424,243 km (0.041 R)
• M37: 7,569,951 km (0.057 R)
• M38: 7,983,290 km (0.101 R)
• M39: 8,162,658 km (0.03 R)
• M40: 8,373,591 km (0.083 R)
• M41: 8,708,690 km (0.08 R)
• M42: 8,955,228 km (0.076 R)
• M43: 9,645,024 km (0.028 R)
• M44: 11,208,620 km (0.104 R)
• M45: 11,611,637 km (0.092 R)
• M46: 12,156,473 km (0.056 R)
• M47: 12,225,138 km (0.12 R)
• M48: 13,768,838 km (0.112 R)
• M49: 13,840,496 km (0.111 R)
• M50: 14,381,591 km (0.09 R)
• M51: 15,858,272 km (0.05 R)
• M52: 16,046,316 km (0.095 R)
• M53: 16,576,491 km (0.08 R)
• M54: 17,266,586 km (0.063 R)
• M55: 17,576,403 km (0.077 R)
• M56: 17,927,061 km (0.066 R)
• M57: 18,162,229 km (0.073 R)
• M58: 19,112,624 km (0.079 R)
• M59: 19,593,880 km (0.075 R)
• M60: 20,445,840 km (0.075 R)
• M61: 21,061,735 km (0.097 R)
• M62: 21,975,927 km (0.102 R)
• M63: 22,480,072 km (0.117 R)
• M64: 22,606,781 km (0.057 R)
• M65: 22,860,799 km (0.099 R)
• M66: 24,274,498 km (0.063 R)
• M67: 24,882,763 km (0.111 R)
• M68: 25,320,337 km (0.108 R)
• M69: 25,716,472 km (0.102 R)
• M70: 27,681,740 km (0.11 R)
• M71: 27,953,409 km (0.102 R)
• M72: 28,089,693 km (0.103 R)
• M73: 28,226,126 km (0.041 R)
• M74: 28,317,231 km (0.08 R)
• M75: 28,865,657 km (0.043 R)
• M76: 28,957,361 km (0.086 R)
• M77: 29,371,448 km (0.053 R)
• M78: 30,066,030 km (0.049 R)
• M79: 30,625,526 km (0.051 R)
• M80: 31,141,340 km (0.118 R)
• M81: 31,235,587 km (0.09 R)
• M82: 31,376,807 km (0.109 R)
• M83: 31,471,203 km (0.059 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 261 - 14,816 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit