🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.6

Radius: 11.9

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1 AU - 1.42 AU

Year: 846 Days

Day: 9.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,019,023 km

• M1: 147,952 km (0.092 R)
• M2: 742,155 km (0.075 R)
• M3: 1,670,559 km (0.077 R)
• M4: 2,115,164 km (0.081 R)
• M5: 2,820,518 km (0.097 R)
• M6: 4,068,314 km (0.096 R)
• M7: 4,519,651 km (0.109 R)
• M8: 6,565,851 km (0.084 R)
• M9: 7,390,584 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.9

Radius: 8.4

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.37 AU - 1.37 AU

Year: 1020 Days

Day: 9.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,019,023 km

• M1: 104,569 km (0.095 R)
• M2: 783,594 km (0.104 R)
• M3: 1,466,508 km (0.051 R)
• M4: 1,953,150 km (0.104 R)
• M5: 2,286,304 km (0.067 R)
• M6: 2,809,149 km (0.113 R)
• M7: 3,118,667 km (0.057 R)
• M8: 3,450,774 km (0.057 R)
• M9: 4,329,512 km (0.111 R)
• M10: 5,946,515 km (0.096 R)
• M11: 6,312,881 km (0.063 R)
• M12: 7,135,669 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.7

Radius: 13.3

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.62 AU - 2.04 AU

Year: 1574 Days

Day: 10.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,019,023 km

• M1: 165,754 km (0.097 R)
• M2: 671,545 km (0.111 R)
• M3: 1,820,456 km (0.108 R)
• M4: 2,242,771 km (0.11 R)
• M5: 2,744,074 km (0.116 R)
• M6: 3,560,579 km (0.109 R)
• M7: 5,891,763 km (0.114 R)
• M8: 9,071,914 km (0.114 R)
• M9: 10,616,811 km (0.107 R)
• M10: 11,520,682 km (0.035 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.4

Radius: 14.6

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.96 AU - 2.22 AU

Year: 1921 Days

Day: 7.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,019,023 km

• M1: 181,612 km (0.06 R)
• M2: 651,648 km (0.106 R)
• M3: 1,108,969 km (0.106 R)
• M4: 1,589,627 km (0.1 R)
• M5: 2,054,428 km (0.104 R)
• M6: 3,059,875 km (0.05 R)
• M7: 3,630,740 km (0.102 R)
• M8: 4,372,895 km (0.045 R)
• M9: 4,989,089 km (0.1 R)
• M10: 6,009,346 km (0.084 R)
• M11: 7,453,564 km (0.05 R)
• M12: 7,993,463 km (0.097 R)
• M13: 8,559,541 km (0.065 R)
• M14: 9,913,851 km (0.057 R)
• M15: 11,096,721 km (0.115 R)
• M16: 13,002,299 km (0.088 R)
• M17: 13,521,852 km (0.079 R)
• M18: 14,055,468 km (0.085 R)
• M19: 15,355,324 km (0.104 R)
• M20: 15,838,525 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.7

Radius: 10.4

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.66 AU - 2.7 AU

Year: 2790 Days

Day: 7.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 88.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,019,023 km

• M1: 132,843 km (0.053 R)
• M2: 478,414 km (0.071 R)
• M3: 1,172,399 km (0.118 R)
• M4: 1,524,701 km (0.069 R)
• M5: 2,242,622 km (0.046 R)
• M6: 2,566,651 km (0.086 R)
• M7: 3,421,004 km (0.066 R)
• M8: 4,155,679 km (0.053 R)
• M9: 4,708,443 km (0.071 R)
• M10: 5,309,378 km (0.086 R)
• M11: 5,662,579 km (0.105 R)
• M12: 11,292,545 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.8

Radius: 11.3

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.49 AU - 3.41 AU

Year: 3222 Days

Day: 11.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,019,023 km

• M1: 140,472 km (0.071 R)
• M2: 594,652 km (0.08 R)
• M3: 1,684,771 km (0.085 R)
• M4: 2,238,283 km (0.082 R)
• M5: 2,613,924 km (0.094 R)
• M6: 3,322,569 km (0.111 R)
• M7: 3,712,570 km (0.113 R)
• M8: 4,155,081 km (0.051 R)
• M9: 4,824,232 km (0.079 R)
• M10: 6,260,671 km (0.115 R)
• M11: 7,462,989 km (0.118 R)
• M12: 7,930,333 km (0.111 R)
• M13: 9,072,064 km (0.109 R)
• M14: 10,158,294 km (0.118 R)
• M15: 10,649,424 km (0.115 R)
• M16: 12,310,558 km (0.117 R)
• M17: 13,640,483 km (0.099 R)
• M18: 14,596,115 km (0.12 R)
• M19: 15,222,182 km (0.105 R)
• M20: 15,757,593 km (0.07 R)
• M21: 18,807,744 km (0.119 R)
• M22: 20,503,735 km (0.113 R)
• M23: 22,368,023 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 336.5

Radius: 6.3

Gravity: 8.48 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 5.15 AU - 7.37 AU

Year: 9959 Days

Day: 18.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 73,019,023 km

• M1: 84,224 km (0.107 R)
• M2: 287,078 km (0.117 R)
• M3: 484,548 km (0.104 R)
• M4: 724,652 km (0.06 R)
• M5: 931,396 km (0.11 R)
• M6: 1,455,737 km (0.108 R)
• M7: 1,733,989 km (0.08 R)
• M8: 2,063,104 km (0.09 R)
• M9: 2,276,880 km (0.036 R)
• M10: 3,070,795 km (0.118 R)
• M11: 3,553,997 km (0.091 R)
• M12: 4,726,844 km (0.092 R)
• M13: 5,524,649 km (0.112 R)
• M14: 5,809,633 km (0.03 R)
• M15: 6,723,676 km (0.109 R)
• M16: 7,847,755 km (0.068 R)
• M17: 8,454,524 km (0.057 R)
• M18: 11,047,354 km (0.11 R)
• M19: 17,598,245 km (0.037 R)
• M20: 20,906,751 km (0.115 R)
• M21: 22,706,713 km (0.116 R)
• M22: 23,029,994 km (0.043 R)
• M23: 26,971,299 km (0.103 R)
• M24: 29,674,084 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 798.5

Radius: 3.7

Gravity: 58.33 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 6.09 AU - 6.55 AU

Year: 10102 Days

Day: 21.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 73,019,023 km

• M1: 46,076 km (0.095 R)
• M2: 217,216 km (0.053 R)
• M3: 362,176 km (0.117 R)
• M4: 593,754 km (0.101 R)
• M5: 979,716 km (0.105 R)
• M6: 1,283,550 km (0.083 R)
• M7: 1,429,856 km (0.115 R)
• M8: 2,453,106 km (0.083 R)
• M9: 3,367,149 km (0.102 R)
• M10: 3,672,777 km (0.057 R)
• M11: 4,578,144 km (0.064 R)
• M12: 5,180,873 km (0.118 R)
• M13: 5,553,223 km (0.111 R)
• M14: 5,763,707 km (0.088 R)
• M15: 6,313,030 km (0.062 R)
• M16: 6,620,005 km (0.055 R)
• M17: 7,180,847 km (0.087 R)
• M18: 7,472,862 km (0.057 R)
• M19: 8,036,098 km (0.082 R)
• M20: 10,734,694 km (0.115 R)
• M21: 11,282,671 km (0.066 R)
• M22: 11,563,616 km (0.094 R)
• M23: 12,256,853 km (0.057 R)
• M24: 14,175,146 km (0.115 R)
• M25: 15,930,827 km (0.078 R)
• M26: 18,516,028 km (0.105 R)
• M27: 19,303,062 km (0.118 R)
• M28: 19,704,732 km (0.055 R)
• M29: 20,276,495 km (0.094 R)
• M30: 24,969,231 km (0.057 R)
• M31: 26,417,937 km (0.072 R)
• M32: 29,587,616 km (0.038 R)
• M33: 31,318,464 km (0.095 R)
• M34: 35,337,859 km (0.117 R)
• M35: 42,868,317 km (0.06 R)
• M36: 44,242,074 km (0.105 R)
• M37: 46,644,616 km (0.106 R)
• M38: 48,835,327 km (0.066 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 982.3

Radius: 7.7

Gravity: 16.57 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 7.63 AU - 9.33 AU

Year: 15701 Days

Day: 23.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 73,019,023 km

• M1: 95,892 km (0.025 R)
• M2: 362,027 km (0.035 R)
• M3: 705,803 km (0.118 R)
• M4: 948,750 km (0.086 R)
• M5: 1,483,861 km (0.055 R)
• M6: 2,861,957 km (0.119 R)
• M7: 3,641,811 km (0.062 R)
• M8: 4,003,239 km (0.08 R)
• M9: 5,084,981 km (0.106 R)
• M10: 6,098,208 km (0.097 R)
• M11: 6,565,252 km (0.106 R)
• M12: 7,427,833 km (0.044 R)
• M13: 9,543,297 km (0.117 R)
• M14: 10,952,359 km (0.066 R)
• M15: 11,262,476 km (0.076 R)
• M16: 12,765,486 km (0.065 R)
• M17: 14,031,682 km (0.117 R)
• M18: 14,996,588 km (0.089 R)
• M19: 16,084,613 km (0.11 R)
• M20: 29,288,122 km (0.034 R)
• M21: 42,550,422 km (0.065 R)
• M22: 45,515,003 km (0.04 R)
• M23: 46,641,026 km (0.096 R)
• M24: 49,116,272 km (0.117 R)
• M25: 50,986,245 km (0.12 R)
• M26: 53,079,868 km (0.11 R)
• M27: 59,894,649 km (0.053 R)
• M28: 61,246,415 km (0.033 R)
• M29: 62,027,915 km (0.113 R)
• M30: 70,425,142 km (0.091 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 420 - 16,437 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit