🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.6

Radius: 11.2

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.98 AU - 1.4 AU

Year: 880 Days

Day: 14.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,614,307 km

• M1: 139,276 km (0.104 R)
• M2: 601,533 km (0.085 R)
• M3: 1,016,667 km (0.097 R)
• M4: 1,460,823 km (0.105 R)
• M5: 1,896,602 km (0.108 R)
• M6: 2,540,770 km (0.109 R)
• M7: 2,931,819 km (0.054 R)
• M8: 3,375,826 km (0.091 R)
• M9: 3,850,649 km (0.11 R)
• M10: 4,309,915 km (0.112 R)
• M11: 4,886,315 km (0.082 R)
• M12: 5,819,357 km (0.12 R)
• M13: 7,095,577 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.5

Radius: 14

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2 AU - 2.42 AU

Year: 2228 Days

Day: 12.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,614,307 km

• M1: 174,282 km (0.073 R)
• M2: 736,919 km (0.054 R)
• M3: 2,134,612 km (0.113 R)
• M4: 2,821,865 km (0.088 R)
• M5: 3,737,852 km (0.109 R)
• M6: 4,368,108 km (0.044 R)
• M7: 5,068,525 km (0.1 R)
• M8: 5,651,658 km (0.041 R)
• M9: 6,526,506 km (0.076 R)
• M10: 8,126,755 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.6

Radius: 8

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.25 AU - 2.87 AU

Year: 2778 Days

Day: 11.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,614,307 km

• M1: 99,931 km (0.047 R)
• M2: 387,458 km (0.107 R)
• M3: 1,029,233 km (0.113 R)
• M4: 1,461,870 km (0.083 R)
• M5: 1,743,414 km (0.112 R)
• M6: 2,617,963 km (0.098 R)
• M7: 3,796,046 km (0.096 R)
• M8: 4,169,293 km (0.107 R)
• M9: 4,921,321 km (0.119 R)
• M10: 6,553,135 km (0.104 R)
• M11: 7,062,366 km (0.063 R)
• M12: 7,326,705 km (0.111 R)
• M13: 7,720,297 km (0.073 R)
• M14: 7,969,527 km (0.058 R)
• M15: 8,256,157 km (0.046 R)
• M16: 10,574,475 km (0.092 R)
• M17: 11,038,228 km (0.1 R)
• M18: 12,596,739 km (0.114 R)
• M19: 13,339,343 km (0.109 R)
• M20: 13,653,498 km (0.105 R)
• M21: 13,926,664 km (0.103 R)
• M22: 14,816,024 km (0.112 R)
• M23: 15,153,068 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.6

Radius: 12.7

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.17 AU - 3.19 AU

Year: 3846 Days

Day: 14.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,614,307 km

• M1: 157,975 km (0.107 R)
• M2: 794,065 km (0.099 R)
• M3: 1,282,503 km (0.042 R)
• M4: 1,709,904 km (0.089 R)
• M5: 3,401,706 km (0.104 R)
• M6: 4,648,604 km (0.095 R)
• M7: 5,977,183 km (0.117 R)
• M8: 8,223,245 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.1

Radius: 9.8

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 4.11 AU - 5.73 AU

Year: 7402 Days

Day: 11.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 72,614,307 km

• M1: 121,922 km (0.107 R)
• M2: 711,487 km (0.116 R)
• M3: 1,051,823 km (0.108 R)
• M4: 1,393,654 km (0.101 R)
• M5: 1,712,297 km (0.117 R)
• M6: 2,080,308 km (0.087 R)
• M7: 3,492,362 km (0.057 R)
• M8: 4,065,023 km (0.08 R)
• M9: 5,069,273 km (0.111 R)
• M10: 7,074,035 km (0.075 R)
• M11: 7,484,980 km (0.027 R)
• M12: 9,379,487 km (0.108 R)
• M13: 9,922,228 km (0.108 R)
• M14: 10,533,635 km (0.109 R)
• M15: 13,858,298 km (0.119 R)
• M16: 16,298,688 km (0.086 R)
• M17: 17,620,385 km (0.112 R)
• M18: 18,869,827 km (0.094 R)
• M19: 19,443,684 km (0.1 R)
• M20: 20,029,210 km (0.113 R)
• M21: 23,958,249 km (0.115 R)
• M22: 25,316,896 km (0.099 R)
• M23: 27,358,758 km (0.115 R)
• M24: 28,936,866 km (0.105 R)
• M25: 32,070,492 km (0.057 R)
• M26: 36,517,588 km (0.042 R)
• M27: 37,633,888 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 398.8

Radius: 3.1

Gravity: 41.5 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 5.23 AU - 7.63 AU

Year: 11059 Days

Day: 22.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 72,614,307 km

• M1: 38,895 km (0.112 R)
• M2: 139,126 km (0.041 R)
• M3: 252,372 km (0.053 R)
• M4: 434,582 km (0.111 R)
• M5: 731,085 km (0.062 R)
• M6: 937,679 km (0.111 R)
• M7: 1,492,987 km (0.04 R)
• M8: 1,872,068 km (0.071 R)
• M9: 2,135,061 km (0.063 R)
• M10: 2,674,062 km (0.095 R)
• M11: 2,942,889 km (0.114 R)
• M12: 3,706,138 km (0.1 R)
• M13: 3,909,441 km (0.11 R)
• M14: 4,917,132 km (0.051 R)
• M15: 5,038,905 km (0.105 R)
• M16: 6,086,090 km (0.08 R)
• M17: 6,261,868 km (0.118 R)
• M18: 6,586,944 km (0.12 R)
• M19: 6,960,939 km (0.084 R)
• M20: 7,153,321 km (0.096 R)
• M21: 8,253,315 km (0.072 R)
• M22: 9,321,593 km (0.095 R)
• M23: 10,987,964 km (0.103 R)
• M24: 11,406,987 km (0.061 R)
• M25: 15,801,125 km (0.048 R)
• M26: 16,133,233 km (0.092 R)
• M27: 16,537,745 km (0.042 R)
• M28: 21,363,474 km (0.109 R)
• M29: 24,225,730 km (0.104 R)
• M30: 26,207,901 km (0.047 R)
• M31: 26,860,447 km (0.102 R)
• M32: 33,337,586 km (0.094 R)
• M33: 33,446,344 km (0.108 R)
• M34: 34,435,335 km (0.103 R)
• M35: 36,012,247 km (0.041 R)
• M36: 37,636,580 km (0.118 R)
• M37: 42,417,878 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 714.9

Radius: 5.4

Gravity: 24.52 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 7.26 AU - 10.7 AU

Year: 18252 Days

Day: 21.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,614,307 km

• M1: 67,469 km (0.101 R)
• M2: 342,579 km (0.115 R)
• M3: 556,953 km (0.045 R)
• M4: 1,214,436 km (0.073 R)
• M5: 2,511,898 km (0.069 R)
• M6: 3,682,651 km (0.093 R)
• M7: 4,745,095 km (0.098 R)
• M8: 5,103,831 km (0.095 R)
• M9: 6,079,957 km (0.052 R)
• M10: 7,082,711 km (0.092 R)
• M11: 9,465,955 km (0.051 R)
• M12: 14,148,817 km (0.094 R)
• M13: 29,227,235 km (0.076 R)
• M14: 31,913,564 km (0.074 R)
• M15: 36,519,234 km (0.048 R)
• M16: 37,072,148 km (0.104 R)
• M17: 39,195,689 km (0.065 R)
• M18: 40,803,567 km (0.073 R)
• M19: 48,335,521 km (0.12 R)
• M20: 48,834,879 km (0.112 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 389 - 15,966 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit