🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.4

Radius: 10.8

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.44 AU - 1.78 AU

Year: 1319 Days

Day: 9.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 24,827,364 km

• M1: 134,339 km (0.055 R)
• M2: 652,247 km (0.117 R)
• M3: 1,603,689 km (0.075 R)
• M4: 2,661,645 km (0.086 R)
• M5: 3,247,620 km (0.038 R)
• M6: 3,622,064 km (0.1 R)
• M7: 5,157,387 km (0.08 R)
• M8: 5,867,528 km (0.111 R)
• M9: 6,425,977 km (0.12 R)
• M10: 7,042,170 km (0.085 R)
• M11: 8,240,449 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.9

Radius: 13.4

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.58 AU - 2.18 AU

Year: 1664 Days

Day: 6.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 24,827,364 km

• M1: 166,652 km (0.113 R)
• M2: 607,966 km (0.081 R)
• M3: 1,369,569 km (0.057 R)
• M4: 2,964,880 km (0.058 R)
• M5: 3,419,359 km (0.093 R)
• M6: 4,244,840 km (0.074 R)
• M7: 5,051,770 km (0.085 R)
• M8: 6,488,658 km (0.06 R)
• M9: 7,533,001 km (0.119 R)
• M10: 8,328,712 km (0.105 R)
• M11: 8,961,810 km (0.119 R)
• M12: 9,433,343 km (0.1 R)
• M13: 9,987,902 km (0.104 R)
• M14: 10,878,159 km (0.119 R)
• M15: 11,488,368 km (0.104 R)
• M16: 13,214,728 km (0.105 R)
• M17: 14,118,897 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.2

Radius: 12.1

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.55 AU - 2.23 AU

Year: 1678 Days

Day: 14.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 76.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 24,827,364 km

• M1: 151,094 km (0.073 R)
• M2: 1,038,508 km (0.104 R)
• M3: 1,729,950 km (0.093 R)
• M4: 2,524,763 km (0.03 R)
• M5: 3,006,618 km (0.092 R)
• M6: 3,516,896 km (0.102 R)
• M7: 5,404,073 km (0.107 R)
• M8: 5,902,085 km (0.069 R)
• M9: 6,912,020 km (0.075 R)
• M10: 8,413,683 km (0.103 R)
• M11: 9,432,595 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.7

Radius: 10.6

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.65 AU - 5.27 AU

Year: 6082 Days

Day: 10.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 24,827,364 km

• M1: 134,040 km (0.081 R)
• M2: 515,365 km (0.1 R)
• M3: 1,061,546 km (0.051 R)
• M4: 1,470,846 km (0.117 R)
• M5: 1,849,778 km (0.119 R)
• M6: 2,309,492 km (0.084 R)
• M7: 2,686,179 km (0.059 R)
• M8: 3,319,128 km (0.089 R)
• M9: 3,779,889 km (0.111 R)
• M10: 5,202,266 km (0.116 R)
• M11: 6,095,216 km (0.067 R)
• M12: 6,887,187 km (0.112 R)
• M13: 7,464,036 km (0.036 R)
• M14: 7,962,945 km (0.073 R)
• M15: 8,909,301 km (0.093 R)
• M16: 10,445,223 km (0.085 R)
• M17: 11,578,426 km (0.099 R)
• M18: 14,357,356 km (0.092 R)
• M19: 14,906,530 km (0.038 R)
• M20: 15,299,225 km (0.036 R)
• M21: 15,698,950 km (0.08 R)
• M22: 19,749,911 km (0.084 R)
• M23: 22,124,029 km (0.091 R)
• M24: 22,783,008 km (0.07 R)
• M25: 23,530,548 km (0.11 R)
• M26: 25,630,454 km (0.066 R)
• M27: 26,032,722 km (0.05 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 367.1

Radius: 6.9

Gravity: 7.71 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 6.06 AU - 6.92 AU

Year: 10675 Days

Day: 20.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 24,827,364 km

• M1: 85,869 km (0.092 R)
• M2: 307,124 km (0.082 R)
• M3: 554,260 km (0.105 R)
• M4: 823,985 km (0.071 R)
• M5: 1,766,751 km (0.102 R)
• M6: 2,260,274 km (0.079 R)
• M7: 2,842,060 km (0.089 R)
• M8: 3,267,517 km (0.111 R)
• M9: 3,519,290 km (0.11 R)
• M10: 4,380,375 km (0.119 R)
• M11: 4,948,548 km (0.102 R)
• M12: 5,564,592 km (0.032 R)
• M13: 8,044,925 km (0.066 R)
• M14: 8,420,565 km (0.052 R)
• M15: 9,388,164 km (0.064 R)
• M16: 9,664,322 km (0.115 R)
• M17: 10,526,005 km (0.076 R)
• M18: 16,199,654 km (0.08 R)
• M19: 16,798,794 km (0.114 R)
• M20: 17,138,082 km (0.083 R)
• M21: 17,551,121 km (0.117 R)
• M22: 21,414,038 km (0.116 R)
• M23: 26,442,471 km (0.12 R)
• M24: 26,717,282 km (0.064 R)
• M25: 27,366,088 km (0.043 R)
• M26: 29,867,963 km (0.079 R)
• M27: 32,623,256 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 617.8

Radius: 7.5

Gravity: 10.98 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 6.85 AU - 7.81 AU

Year: 12814 Days

Day: 19.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 24,827,364 km

• M1: 108,907 km (0.119 R)
• M2: 3,015,743 km (0.068 R)
• M3: 3,610,096 km (0.089 R)
• M4: 3,963,446 km (0.097 R)
• M5: 4,835,003 km (0.089 R)
• M6: 5,402,129 km (0.046 R)
• M7: 6,628,532 km (0.069 R)
• M8: 9,316,806 km (0.101 R)
• M9: 9,878,247 km (0.113 R)
• M10: 12,718,213 km (0.078 R)
• M11: 14,865,241 km (0.078 R)
• M12: 18,720,827 km (0.077 R)
• M13: 21,485,545 km (0.069 R)
• M14: 23,287,452 km (0.093 R)
• M15: 25,678,475 km (0.103 R)
• M16: 26,275,669 km (0.092 R)
• M17: 36,381,604 km (0.092 R)
• M18: 42,149,798 km (0.12 R)
• M19: 43,540,610 km (0.043 R)
• M20: 46,560,841 km (0.094 R)
• M21: 47,448,705 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 45.1

Radius: 6.5

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 6.22 AU - 9.72 AU

Year: 14528 Days

Day: 20.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 24,827,364 km

• M1: 81,830 km (0.034 R)
• M2: 381,923 km (0.073 R)
• M3: 954,135 km (0.078 R)
• M4: 1,274,275 km (0.078 R)
• M5: 1,537,567 km (0.098 R)
• M6: 2,232,299 km (0.069 R)
• M7: 7,325,509 km (0.105 R)
• M8: 9,433,343 km (0.108 R)
• M9: 9,866,728 km (0.107 R)
• M10: 12,421,410 km (0.059 R)
• M11: 13,232,081 km (0.086 R)
• M12: 14,179,485 km (0.11 R)
• M13: 15,171,318 km (0.089 R)
• M14: 17,292,167 km (0.091 R)
• M15: 18,606,385 km (0.1 R)
• M16: 18,852,324 km (0.105 R)
• M17: 20,569,408 km (0.099 R)
• M18: 22,043,396 km (0.068 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: 155 - 19,575 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit