🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.3

Radius: 11.3

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.53 AU - 0.55 AU

Year: 279 Days

Day: 9.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,464,952 km

• M1: 141,220 km (0.079 R)
• M2: 501,302 km (0.067 R)
• M3: 907,909 km (0.118 R)
• M4: 1,318,107 km (0.053 R)
• M5: 1,683,126 km (0.102 R)
• M6: 2,064,899 km (0.063 R)
• M7: 2,912,970 km (0.067 R)
• M8: 3,396,620 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.5

Radius: 8.5

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.53 AU - 0.87 AU

Year: 412 Days

Day: 6.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,464,952 km

• M1: 105,766 km (0.118 R)
• M2: 447,896 km (0.119 R)
• M3: 722,558 km (0.076 R)
• M4: 1,119,441 km (0.077 R)
• M5: 1,398,590 km (0.028 R)
• M6: 1,724,714 km (0.033 R)
• M7: 2,202,380 km (0.085 R)
• M8: 2,597,917 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.8

Radius: 10.9

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.71 AU - 1.05 AU

Year: 580 Days

Day: 12.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,464,952 km

• M1: 136,134 km (0.085 R)
• M2: 773,122 km (0.119 R)
• M3: 1,246,300 km (0.113 R)
• M4: 1,750,145 km (0.064 R)
• M5: 2,147,477 km (0.039 R)
• M6: 3,083,362 km (0.066 R)
• M7: 4,230,777 km (0.047 R)
• M8: 4,714,876 km (0.093 R)
• M9: 5,125,373 km (0.069 R)
• M10: 5,659,587 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.2

Radius: 13.2

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.43 AU - 2.65 AU

Year: 2846 Days

Day: 8.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,464,952 km

• M1: 164,109 km (0.074 R)
• M2: 925,263 km (0.073 R)
• M3: 1,368,521 km (0.105 R)
• M4: 1,858,754 km (0.094 R)
• M5: 3,811,604 km (0.1 R)
• M6: 4,780,699 km (0.116 R)
• M7: 5,692,648 km (0.094 R)
• M8: 9,394,896 km (0.033 R)
• M9: 13,850,369 km (0.028 R)
• M10: 14,286,597 km (0.102 R)
• M11: 15,278,879 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.8

Radius: 13.3

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.62 AU - 3.98 AU

Year: 4214 Days

Day: 14.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,464,952 km

• M1: 165,455 km (0.074 R)
• M2: 739,462 km (0.106 R)
• M3: 1,203,964 km (0.114 R)
• M4: 3,291,004 km (0.106 R)
• M5: 4,606,418 km (0.099 R)
• M6: 5,259,712 km (0.103 R)
• M7: 7,319,824 km (0.114 R)
• M8: 8,858,588 km (0.105 R)
• M9: 9,829,627 km (0.106 R)
• M10: 10,254,784 km (0.086 R)
• M11: 12,370,846 km (0.101 R)
• M12: 12,917,327 km (0.085 R)
• M13: 14,112,166 km (0.105 R)
• M14: 16,422,854 km (0.103 R)
• M15: 19,040,967 km (0.113 R)
• M16: 20,933,978 km (0.065 R)
• M17: 26,700,677 km (0.064 R)
• M18: 28,894,380 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 714.3

Radius: 6.4

Gravity: 17.44 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 6.42 AU - 7.82 AU

Year: 13355 Days

Day: 15.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 65,464,952 km

• M1: 79,586 km (0.037 R)
• M2: 452,234 km (0.088 R)
• M3: 656,435 km (0.12 R)
• M4: 1,150,408 km (0.106 R)
• M5: 1,371,812 km (0.104 R)
• M6: 1,799,513 km (0.085 R)
• M7: 2,965,628 km (0.089 R)
• M8: 3,360,866 km (0.081 R)
• M9: 4,136,680 km (0.107 R)
• M10: 4,662,517 km (0.106 R)
• M11: 6,074,870 km (0.07 R)
• M12: 6,920,697 km (0.052 R)
• M13: 8,356,537 km (0.091 R)
• M14: 9,766,946 km (0.076 R)
• M15: 10,362,046 km (0.099 R)
• M16: 10,753,245 km (0.096 R)
• M17: 11,387,689 km (0.101 R)
• M18: 12,108,003 km (0.095 R)
• M19: 14,728,808 km (0.1 R)
• M20: 16,171,081 km (0.069 R)
• M21: 18,264,105 km (0.039 R)
• M22: 19,166,330 km (0.11 R)
• M23: 19,586,101 km (0.108 R)
• M24: 20,531,261 km (0.107 R)
• M25: 24,715,363 km (0.073 R)
• M26: 26,227,499 km (0.066 R)
• M27: 30,673,248 km (0.113 R)
• M28: 32,655,121 km (0.09 R)
• M29: 41,159,909 km (0.109 R)
• M30: 43,711,899 km (0.114 R)
• M31: 57,024,016 km (0.091 R)
• M32: 58,592,848 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 926.8

Radius: 3.8

Gravity: 64.18 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 6.44 AU - 8.06 AU

Year: 13722 Days

Day: 17 Hours

Environment

Temp: -230 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,464,952 km

• M1: 79,436 km (0.084 R)
• M2: 215,421 km (0.064 R)
• M3: 403,914 km (0.093 R)
• M4: 570,566 km (0.11 R)
• M5: 1,726,659 km (0.107 R)
• M6: 2,231,252 km (0.066 R)
• M7: 4,265,484 km (0.117 R)
• M8: 6,008,449 km (0.112 R)
• M9: 8,029,815 km (0.053 R)
• M10: 13,966,607 km (0.051 R)
• M11: 18,854,568 km (0.102 R)
• M12: 20,890,146 km (0.115 R)
• M13: 26,448,754 km (0.079 R)
• M14: 27,206,168 km (0.049 R)
• M15: 30,972,145 km (0.07 R)
• M16: 31,813,334 km (0.068 R)
• M17: 32,178,352 km (0.051 R)
• M18: 33,041,233 km (0.111 R)
• M19: 35,200,678 km (0.088 R)
• M20: 43,871,969 km (0.092 R)
• M21: 52,158,794 km (0.095 R)
• M22: 53,006,714 km (0.07 R)
• M23: 65,268,953 km (0.111 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 170 - 14,472 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit