🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.7

Radius: 14.9

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.5 AU - 0.52 AU

Year: 247 Days

Day: 7 Hours

Environment

Temp: -131 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 38,295,626 km

• M1: 185,352 km (0.063 R)
• M2: 666,459 km (0.072 R)
• M3: 1,205,460 km (0.116 R)
• M4: 1,747,154 km (0.078 R)
• M5: 2,242,322 km (0.068 R)
• M6: 3,036,986 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.4

Radius: 14.9

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.61 AU - 1.97 AU

Year: 1624 Days

Day: 11.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,295,626 km

• M1: 185,352 km (0.049 R)
• M2: 765,044 km (0.1 R)
• M3: 1,278,164 km (0.093 R)
• M4: 2,107,535 km (0.07 R)
• M5: 2,902,498 km (0.113 R)
• M6: 3,997,853 km (0.085 R)
• M7: 4,581,884 km (0.09 R)
• M8: 5,073,013 km (0.043 R)
• M9: 5,576,859 km (0.096 R)
• M10: 7,794,049 km (0.092 R)
• M11: 8,437,619 km (0.113 R)
• M12: 9,698,580 km (0.046 R)
• M13: 10,236,982 km (0.113 R)
• M14: 11,596,229 km (0.092 R)
• M15: 14,759,027 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254

Radius: 13.4

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.98 AU - 2.76 AU

Year: 2475 Days

Day: 5.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,295,626 km

• M1: 166,652 km (0.087 R)
• M2: 597,793 km (0.106 R)
• M3: 1,254,977 km (0.111 R)
• M4: 1,792,781 km (0.05 R)
• M5: 2,508,457 km (0.079 R)
• M6: 5,490,092 km (0.099 R)
• M7: 5,959,530 km (0.093 R)
• M8: 7,212,712 km (0.073 R)
• M9: 8,342,176 km (0.099 R)
• M10: 9,117,392 km (0.095 R)
• M11: 9,842,792 km (0.116 R)
• M12: 10,881,151 km (0.119 R)
• M13: 13,135,890 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.9

Radius: 11.1

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.57 AU - 3.63 AU

Year: 3702 Days

Day: 10.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 38,295,626 km

• M1: 138,079 km (0.093 R)
• M2: 496,366 km (0.106 R)
• M3: 1,523,954 km (0.117 R)
• M4: 2,492,600 km (0.117 R)
• M5: 3,240,290 km (0.083 R)
• M6: 3,646,897 km (0.099 R)
• M7: 4,197,866 km (0.066 R)
• M8: 5,413,498 km (0.095 R)
• M9: 6,395,159 km (0.118 R)
• M10: 6,944,184 km (0.076 R)
• M11: 7,327,603 km (0.057 R)
• M12: 9,461,467 km (0.075 R)
• M13: 10,013,633 km (0.056 R)
• M14: 10,503,865 km (0.108 R)
• M15: 12,026,023 km (0.111 R)
• M16: 12,440,110 km (0.06 R)
• M17: 14,603,595 km (0.118 R)
• M18: 16,551,508 km (0.106 R)
• M19: 17,823,988 km (0.074 R)
• M20: 18,362,989 km (0.09 R)
• M21: 20,956,867 km (0.099 R)
• M22: 21,827,825 km (0.076 R)
• M23: 22,653,157 km (0.104 R)
• M24: 23,929,975 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.2

Radius: 9.5

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 3.78 AU - 5.22 AU

Year: 6475 Days

Day: 6.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,295,626 km

• M1: 118,182 km (0.038 R)
• M2: 659,876 km (0.066 R)
• M3: 974,630 km (0.111 R)
• M4: 1,382,434 km (0.044 R)
• M5: 2,094,819 km (0.115 R)
• M6: 3,696,414 km (0.119 R)
• M7: 4,104,218 km (0.118 R)
• M8: 5,157,237 km (0.087 R)
• M9: 8,357,734 km (0.082 R)
• M10: 10,510,597 km (0.11 R)
• M11: 12,062,824 km (0.108 R)
• M12: 13,429,251 km (0.108 R)
• M13: 14,052,326 km (0.038 R)
• M14: 15,931,575 km (0.082 R)
• M15: 16,575,594 km (0.099 R)
• M16: 17,014,364 km (0.102 R)
• M17: 17,517,312 km (0.09 R)
• M18: 18,494,336 km (0.103 R)
• M19: 19,085,846 km (0.05 R)
• M20: 21,255,763 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 385.2

Radius: 3.8

Gravity: 26.68 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 5.7 AU - 5.94 AU

Year: 9523 Days

Day: 16 Hours

Environment

Temp: -237 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 38,295,626 km

• M1: 47,423 km (0.094 R)
• M2: 255,812 km (0.118 R)
• M3: 960,867 km (0.097 R)
• M4: 1,485,208 km (0.12 R)
• M5: 2,246,960 km (0.052 R)
• M6: 2,921,646 km (0.112 R)
• M7: 3,109,541 km (0.081 R)
• M8: 3,283,224 km (0.041 R)
• M9: 3,892,985 km (0.099 R)
• M10: 4,277,153 km (0.106 R)
• M11: 5,332,715 km (0.043 R)
• M12: 7,823,071 km (0.118 R)
• M13: 8,063,475 km (0.111 R)
• M14: 8,391,842 km (0.074 R)
• M15: 11,758,243 km (0.098 R)
• M16: 16,903,811 km (0.028 R)
• M17: 17,036,954 km (0.034 R)
• M18: 20,074,389 km (0.111 R)
• M19: 20,449,431 km (0.114 R)
• M20: 25,670,695 km (0.069 R)
• M21: 27,376,410 km (0.06 R)
• M22: 32,428,031 km (0.064 R)
• M23: 36,488,865 km (0.101 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 402 - 12,157 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit