🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687

Radius: 12.8

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.64 AU - 0.98 AU

Year: 486 Days

Day: 8.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,931,127 km

• M1: 159,322 km (0.091 R)
• M2: 665,112 km (0.083 R)
• M3: 1,129,614 km (0.086 R)
• M4: 1,846,935 km (0.114 R)
• M5: 2,333,577 km (0.104 R)
• M6: 2,798,677 km (0.096 R)
• M7: 3,326,009 km (0.12 R)
• M8: 3,800,235 km (0.064 R)
• M9: 4,291,065 km (0.083 R)
• M10: 4,702,160 km (0.102 R)
• M11: 5,776,572 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.2

Radius: 14.1

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.61 AU - 2.53 AU

Year: 1986 Days

Day: 14.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,931,127 km

• M1: 175,478 km (0.041 R)
• M2: 929,900 km (0.109 R)
• M3: 1,459,477 km (0.04 R)
• M4: 3,161,302 km (0.098 R)
• M5: 6,211,752 km (0.12 R)
• M6: 7,699,054 km (0.116 R)
• M7: 8,325,720 km (0.107 R)
• M8: 8,954,031 km (0.092 R)
• M9: 10,628,031 km (0.082 R)
• M10: 15,086,796 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.1

Radius: 14.6

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.07 AU - 3.35 AU

Year: 2975 Days

Day: 13.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,931,127 km

• M1: 181,612 km (0.111 R)
• M2: 1,016,069 km (0.111 R)
• M3: 1,517,521 km (0.053 R)
• M4: 2,975,502 km (0.11 R)
• M5: 4,114,390 km (0.098 R)
• M6: 7,937,065 km (0.09 R)
• M7: 11,394,870 km (0.06 R)
• M8: 13,158,180 km (0.108 R)
• M9: 14,776,530 km (0.1 R)
• M10: 15,563,265 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.3

Radius: 9.8

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.87 AU - 3.05 AU

Year: 3396 Days

Day: 11.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,931,127 km

• M1: 121,922 km (0.109 R)
• M2: 434,731 km (0.032 R)
• M3: 775,067 km (0.111 R)
• M4: 1,226,852 km (0.093 R)
• M5: 2,000,124 km (0.099 R)
• M6: 2,671,968 km (0.085 R)
• M7: 3,000,634 km (0.091 R)
• M8: 3,431,027 km (0.069 R)
• M9: 6,064,398 km (0.08 R)
• M10: 6,636,461 km (0.079 R)
• M11: 10,567,294 km (0.053 R)
• M12: 16,417,469 km (0.076 R)
• M13: 17,584,931 km (0.113 R)
• M14: 19,960,545 km (0.086 R)
• M15: 21,032,114 km (0.077 R)
• M16: 21,811,220 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.5

Radius: 12.9

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 3.46 AU - 4.2 AU

Year: 4998 Days

Day: 12.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,931,127 km

• M1: 160,369 km (0.103 R)
• M2: 904,768 km (0.11 R)
• M3: 1,417,290 km (0.078 R)
• M4: 2,110,078 km (0.092 R)
• M5: 2,711,461 km (0.03 R)
• M6: 3,574,791 km (0.116 R)
• M7: 4,092,100 km (0.082 R)
• M8: 5,582,394 km (0.111 R)
• M9: 6,006,055 km (0.085 R)
• M10: 8,389,449 km (0.115 R)
• M11: 9,054,411 km (0.106 R)
• M12: 9,604,034 km (0.083 R)
• M13: 10,810,840 km (0.075 R)
• M14: 12,159,913 km (0.046 R)
• M15: 12,739,007 km (0.096 R)
• M16: 14,340,901 km (0.051 R)
• M17: 16,073,394 km (0.103 R)
• M18: 17,771,180 km (0.099 R)
• M19: 20,073,192 km (0.083 R)
• M20: 21,072,805 km (0.116 R)
• M21: 21,520,402 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 740

Radius: 3.7

Gravity: 54.05 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 4.75 AU - 7.63 AU

Year: 10270 Days

Day: 17.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 65,931,127 km

• M1: 49,966 km (0.093 R)
• M2: 262,694 km (0.05 R)
• M3: 416,929 km (0.086 R)
• M4: 763,697 km (0.095 R)
• M5: 1,253,331 km (0.112 R)
• M6: 1,383,032 km (0.058 R)
• M7: 1,536,071 km (0.112 R)
• M8: 1,654,403 km (0.116 R)
• M9: 2,559,021 km (0.067 R)
• M10: 2,683,636 km (0.118 R)
• M11: 3,543,974 km (0.113 R)
• M12: 4,220,156 km (0.032 R)
• M13: 4,819,894 km (0.117 R)
• M14: 6,487,760 km (0.105 R)
• M15: 6,680,891 km (0.077 R)
• M16: 8,924,411 km (0.07 R)
• M17: 9,906,371 km (0.107 R)
• M18: 12,434,126 km (0.093 R)
• M19: 14,888,429 km (0.048 R)
• M20: 15,565,958 km (0.115 R)
• M21: 17,055,504 km (0.115 R)
• M22: 18,715,142 km (0.109 R)
• M23: 20,978,857 km (0.099 R)
• M24: 24,241,437 km (0.11 R)
• M25: 24,519,989 km (0.099 R)
• M26: 27,725,273 km (0.097 R)
• M27: 30,117,343 km (0.069 R)
• M28: 37,738,008 km (0.061 R)
• M29: 42,930,101 km (0.086 R)
• M30: 50,063,825 km (0.047 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 891.9

Radius: 5.5

Gravity: 29.48 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 6.27 AU - 9.05 AU

Year: 14138 Days

Day: 24.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,931,127 km

• M1: 68,366 km (0.111 R)
• M2: 358,885 km (0.087 R)
• M3: 571,913 km (0.103 R)
• M4: 1,097,450 km (0.118 R)
• M5: 2,088,087 km (0.089 R)
• M6: 2,371,276 km (0.088 R)
• M7: 2,634,269 km (0.076 R)
• M8: 4,066,220 km (0.07 R)
• M9: 6,395,907 km (0.078 R)
• M10: 7,443,691 km (0.06 R)
• M11: 10,210,653 km (0.09 R)
• M12: 10,788,998 km (0.063 R)
• M13: 12,720,606 km (0.057 R)
• M14: 17,172,489 km (0.113 R)
• M15: 31,564,702 km (0.09 R)
• M16: 35,854,122 km (0.079 R)
• M17: 37,320,929 km (0.066 R)
• M18: 41,814,849 km (0.116 R)
• M19: 44,799,177 km (0.11 R)
• M20: 48,082,401 km (0.092 R)
• M21: 54,598,585 km (0.049 R)
• M22: 58,521,789 km (0.078 R)
• M23: 63,781,501 km (0.056 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 490 - 19,023 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit