🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.4

Radius: 14.7

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.69 AU - 0.99 AU

Year: 497 Days

Day: 7.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,914,734 km

• M1: 182,809 km (0.033 R)
• M2: 711,637 km (0.118 R)
• M3: 1,301,651 km (0.115 R)
• M4: 1,773,034 km (0.114 R)
• M5: 2,307,398 km (0.057 R)
• M6: 2,907,584 km (0.091 R)
• M7: 3,685,344 km (0.086 R)
• M8: 4,955,130 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.6

Radius: 8.2

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.76 AU - 0.98 AU

Year: 524 Days

Day: 7.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,914,734 km

• M1: 102,026 km (0.079 R)
• M2: 409,449 km (0.066 R)
• M3: 664,514 km (0.057 R)
• M4: 922,720 km (0.111 R)
• M5: 1,193,941 km (0.116 R)
• M6: 1,775,428 km (0.081 R)
• M7: 2,776,088 km (0.066 R)
• M8: 3,087,550 km (0.059 R)
• M9: 3,387,644 km (0.078 R)
• M10: 4,532,367 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.4

Radius: 13.2

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.02 AU - 1.2 AU

Year: 755 Days

Day: 6.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,914,734 km

• M1: 164,109 km (0.097 R)
• M2: 625,917 km (0.115 R)
• M3: 1,067,231 km (0.065 R)
• M4: 1,491,640 km (0.097 R)
• M5: 2,456,098 km (0.037 R)
• M6: 2,870,634 km (0.118 R)
• M7: 3,801,431 km (0.111 R)
• M8: 4,314,702 km (0.033 R)
• M9: 4,758,409 km (0.081 R)
• M10: 5,775,974 km (0.091 R)
• M11: 6,316,920 km (0.11 R)
• M12: 7,083,459 km (0.101 R)
• M13: 7,795,545 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.8

Radius: 11.8

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.51 AU - 1.81 AU

Year: 1381 Days

Day: 12.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,914,734 km

• M1: 146,756 km (0.099 R)
• M2: 747,092 km (0.111 R)
• M3: 1,532,331 km (0.098 R)
• M4: 2,017,028 km (0.06 R)
• M5: 2,419,746 km (0.03 R)
• M6: 6,818,970 km (0.075 R)
• M7: 7,345,405 km (0.11 R)
• M8: 10,658,998 km (0.085 R)
• M9: 11,438,552 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.4

Radius: 10.8

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.78 AU - 4.3 AU

Year: 4301 Days

Day: 5.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,914,734 km

• M1: 134,339 km (0.12 R)
• M2: 506,987 km (0.108 R)
• M3: 976,575 km (0.049 R)
• M4: 1,338,602 km (0.081 R)
• M5: 1,693,448 km (0.043 R)
• M6: 2,286,304 km (0.117 R)
• M7: 2,665,236 km (0.099 R)
• M8: 3,818,635 km (0.079 R)
• M9: 4,526,981 km (0.107 R)
• M10: 5,171,748 km (0.025 R)
• M11: 6,015,929 km (0.102 R)
• M12: 9,607,175 km (0.049 R)
• M13: 10,466,914 km (0.092 R)
• M14: 10,810,840 km (0.059 R)
• M15: 11,413,121 km (0.095 R)
• M16: 12,377,279 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.2

Radius: 9.1

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.83 AU - 4.27 AU

Year: 4319 Days

Day: 6.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 105.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,914,734 km

• M1: 113,246 km (0.089 R)
• M2: 527,332 km (0.069 R)
• M3: 1,461,422 km (0.091 R)
• M4: 1,800,710 km (0.118 R)
• M5: 3,683,548 km (0.082 R)
• M6: 4,298,396 km (0.063 R)
• M7: 6,557,323 km (0.097 R)
• M8: 9,510,685 km (0.047 R)
• M9: 14,593,571 km (0.1 R)
• M10: 14,882,146 km (0.085 R)
• M11: 16,538,493 km (0.057 R)
• M12: 18,650,217 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.7

Radius: 12

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 4.9 AU - 5.86 AU

Year: 8057 Days

Day: 12.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,914,734 km

• M1: 149,299 km (0.095 R)
• M2: 701,764 km (0.083 R)
• M3: 1,458,878 km (0.068 R)
• M4: 2,223,623 km (0.052 R)
• M5: 2,597,767 km (0.112 R)
• M6: 3,281,728 km (0.118 R)
• M7: 3,678,312 km (0.111 R)
• M8: 5,037,559 km (0.093 R)
• M9: 7,574,439 km (0.087 R)
• M10: 8,272,613 km (0.107 R)
• M11: 8,720,060 km (0.029 R)
• M12: 15,490,411 km (0.1 R)
• M13: 16,808,218 km (0.108 R)
• M14: 19,523,121 km (0.098 R)
• M15: 20,612,642 km (0.108 R)
• M16: 22,439,681 km (0.046 R)
• M17: 22,992,295 km (0.11 R)
• M18: 23,392,469 km (0.088 R)
• M19: 24,704,742 km (0.088 R)
• M20: 26,152,251 km (0.085 R)
• M21: 26,676,292 km (0.102 R)
• M22: 27,296,675 km (0.114 R)
• M23: 29,309,065 km (0.088 R)
• M24: 34,980,171 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 203.1

Radius: 6.6

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 6.66 AU - 7.14 AU

Year: 11703 Days

Day: 16.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,914,734 km

• M1: 86,318 km (0.042 R)
• M2: 396,135 km (0.112 R)
• M3: 602,879 km (0.117 R)
• M4: 851,212 km (0.09 R)
• M5: 1,437,486 km (0.075 R)
• M6: 5,444,315 km (0.069 R)
• M7: 6,267,852 km (0.081 R)
• M8: 6,779,327 km (0.042 R)
• M9: 7,355,129 km (0.11 R)
• M10: 7,846,558 km (0.048 R)
• M11: 9,192,340 km (0.076 R)
• M12: 11,919,061 km (0.113 R)
• M13: 13,577,054 km (0.119 R)
• M14: 17,081,982 km (0.047 R)
• M15: 17,808,579 km (0.12 R)
• M16: 21,297,052 km (0.12 R)
• M17: 21,983,856 km (0.089 R)
• M18: 29,308,018 km (0.115 R)
• M19: 34,547,384 km (0.068 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 180.1

Radius: 4

Gravity: 11.26 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 6.5 AU - 10.46 AU

Year: 15944 Days

Day: 24.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 70,914,734 km

• M1: 50,115 km (0.109 R)
• M2: 221,255 km (0.05 R)
• M3: 426,504 km (0.112 R)
• M4: 828,772 km (0.063 R)
• M5: 1,180,028 km (0.106 R)
• M6: 1,554,023 km (0.087 R)
• M7: 3,173,270 km (0.055 R)
• M8: 3,591,246 km (0.119 R)
• M9: 3,864,263 km (0.062 R)
• M10: 6,714,700 km (0.115 R)
• M11: 7,519,836 km (0.116 R)
• M12: 8,091,001 km (0.119 R)
• M13: 11,334,582 km (0.109 R)
• M14: 11,921,006 km (0.099 R)
• M15: 13,386,765 km (0.07 R)
• M16: 13,622,532 km (0.118 R)
• M17: 13,801,152 km (0.106 R)
• M18: 21,481,955 km (0.057 R)
• M19: 28,285,367 km (0.03 R)
• M20: 28,770,962 km (0.069 R)
• M21: 29,163,507 km (0.086 R)
• M22: 29,460,309 km (0.076 R)
• M23: 32,222,185 km (0.119 R)
• M24: 33,179,910 km (0.049 R)
• M25: 37,200,503 km (0.059 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 808

Radius: 3.8

Gravity: 55.96 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 7.69 AU - 9.71 AU

Year: 16569 Days

Day: 21.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 70,914,734 km

• M1: 47,273 km (0.089 R)
• M2: 166,652 km (0.109 R)
• M3: 311,164 km (0.08 R)
• M4: 622,776 km (0.059 R)
• M5: 751,580 km (0.113 R)
• M6: 1,167,911 km (0.053 R)
• M7: 2,018,674 km (0.107 R)
• M8: 2,369,481 km (0.086 R)
• M9: 2,882,003 km (0.092 R)
• M10: 3,607,852 km (0.103 R)
• M11: 4,789,974 km (0.081 R)
• M12: 5,075,856 km (0.107 R)
• M13: 5,487,399 km (0.102 R)
• M14: 6,208,312 km (0.109 R)
• M15: 6,900,351 km (0.059 R)
• M16: 7,035,588 km (0.098 R)
• M17: 7,172,620 km (0.1 R)
• M18: 8,642,568 km (0.069 R)
• M19: 10,478,732 km (0.047 R)
• M20: 11,837,829 km (0.12 R)
• M21: 13,590,219 km (0.11 R)
• M22: 13,874,305 km (0.091 R)
• M23: 16,937,022 km (0.106 R)
• M24: 17,683,216 km (0.057 R)
• M25: 22,428,760 km (0.049 R)
• M26: 23,226,715 km (0.113 R)
• M27: 24,985,238 km (0.091 R)
• M28: 26,059,949 km (0.109 R)
• M29: 26,278,661 km (0.104 R)
• M30: 26,719,376 km (0.062 R)
• M31: 28,881,066 km (0.098 R)
• M32: 29,232,621 km (0.105 R)
• M33: 30,789,486 km (0.117 R)
• M34: 34,855,107 km (0.083 R)
• M35: 35,521,117 km (0.062 R)
• M36: 36,059,968 km (0.114 R)
• M37: 46,073,003 km (0.108 R)
• M38: 46,552,913 km (0.106 R)
• M39: 51,882,038 km (0.099 R)
• M40: 54,692,832 km (0.046 R)
• M41: 69,646,785 km (0.114 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 373 - 19,297 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit