🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.6

Radius: 10.3

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.55 AU - 0.69 AU

Year: 343 Days

Day: 8.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,480,585 km

• M1: 128,056 km (0.066 R)
• M2: 457,021 km (0.089 R)
• M3: 852,409 km (0.11 R)
• M4: 1,292,825 km (0.078 R)
• M5: 1,838,857 km (0.067 R)
• M6: 2,335,672 km (0.026 R)
• M7: 2,693,360 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.9

Radius: 11.1

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.67 AU - 1.01 AU

Year: 541 Days

Day: 6.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,480,585 km

• M1: 138,528 km (0.1 R)
• M2: 498,610 km (0.097 R)
• M3: 977,472 km (0.112 R)
• M4: 1,563,896 km (0.088 R)
• M5: 2,077,166 km (0.085 R)
• M6: 2,423,486 km (0.051 R)
• M7: 2,819,920 km (0.066 R)
• M8: 3,308,507 km (0.039 R)
• M9: 3,991,421 km (0.048 R)
• M10: 4,517,556 km (0.098 R)
• M11: 4,958,272 km (0.08 R)
• M12: 5,981,820 km (0.033 R)
• M13: 6,514,538 km (0.047 R)
• M14: 6,975,599 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.8

Radius: 8.7

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.68 AU - 1.02 AU

Year: 551 Days

Day: 8.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,480,585 km

• M1: 108,309 km (0.116 R)
• M2: 391,049 km (0.055 R)
• M3: 845,677 km (0.112 R)
• M4: 1,432,848 km (0.073 R)
• M5: 2,119,802 km (0.113 R)
• M6: 2,999,737 km (0.068 R)
• M7: 3,609,198 km (0.091 R)
• M8: 3,943,549 km (0.106 R)
• M9: 4,214,920 km (0.101 R)
• M10: 4,674,933 km (0.12 R)
• M11: 5,232,335 km (0.117 R)
• M12: 5,937,839 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.6

Radius: 11.6

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.17 AU - 1.79 AU

Year: 1266 Days

Day: 6 Hours

Environment

Temp: -183 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,480,585 km

• M1: 144,811 km (0.106 R)
• M2: 712,684 km (0.073 R)
• M3: 1,340,098 km (0.111 R)
• M4: 1,894,956 km (0.078 R)
• M5: 2,313,232 km (0.051 R)
• M6: 2,762,025 km (0.04 R)
• M7: 3,375,078 km (0.079 R)
• M8: 3,929,188 km (0.107 R)
• M9: 4,369,754 km (0.088 R)
• M10: 4,858,640 km (0.114 R)
• M11: 5,483,211 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.3

Radius: 8.8

Gravity: 12.74 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 3.16 AU - 4.42 AU

Year: 5186 Days

Day: 13.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 53,480,585 km

• M1: 109,506 km (0.088 R)
• M2: 538,702 km (0.097 R)
• M3: 874,100 km (0.09 R)
• M4: 1,372,560 km (0.118 R)
• M5: 2,616,916 km (0.111 R)
• M6: 3,178,656 km (0.038 R)
• M7: 3,477,552 km (0.051 R)
• M8: 5,967,758 km (0.116 R)
• M9: 7,046,808 km (0.053 R)
• M10: 7,520,435 km (0.027 R)
• M11: 8,330,357 km (0.11 R)
• M12: 9,499,166 km (0.105 R)
• M13: 9,897,096 km (0.083 R)
• M14: 10,306,097 km (0.086 R)
• M15: 10,773,739 km (0.043 R)
• M16: 12,734,220 km (0.114 R)
• M17: 13,218,318 km (0.091 R)
• M18: 13,939,230 km (0.092 R)
• M19: 15,099,212 km (0.073 R)
• M20: 16,448,136 km (0.097 R)
• M21: 19,383,994 km (0.072 R)
• M22: 20,024,872 km (0.046 R)
• M23: 21,499,458 km (0.1 R)
• M24: 22,496,079 km (0.06 R)
• M25: 24,829,507 km (0.107 R)
• M26: 25,670,247 km (0.105 R)
• M27: 31,117,853 km (0.046 R)
• M28: 33,294,353 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.8

Radius: 10.9

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.83 AU - 4.95 AU

Year: 6466 Days

Day: 9.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,480,585 km

• M1: 137,181 km (0.037 R)
• M2: 487,091 km (0.095 R)
• M3: 1,007,093 km (0.108 R)
• M4: 1,620,145 km (0.114 R)
• M5: 2,061,608 km (0.116 R)
• M6: 2,405,235 km (0.077 R)
• M7: 2,857,918 km (0.095 R)
• M8: 3,570,752 km (0.065 R)
• M9: 4,642,770 km (0.112 R)
• M10: 6,186,022 km (0.062 R)
• M11: 6,684,033 km (0.114 R)
• M12: 8,564,777 km (0.061 R)
• M13: 9,383,826 km (0.115 R)
• M14: 13,805,939 km (0.09 R)
• M15: 15,885,947 km (0.1 R)
• M16: 17,546,783 km (0.091 R)
• M17: 18,673,853 km (0.064 R)
• M18: 24,044,567 km (0.099 R)
• M19: 24,655,674 km (0.1 R)
• M20: 26,470,146 km (0.111 R)
• M21: 28,035,090 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 612.4

Radius: 4

Gravity: 38.28 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 5.9 AU - 7.7 AU

Year: 12464 Days

Day: 21.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 53,480,585 km

• M1: 49,816 km (0.086 R)
• M2: 226,491 km (0.099 R)
• M3: 683,064 km (0.073 R)
• M4: 854,952 km (0.115 R)
• M5: 1,407,566 km (0.104 R)
• M6: 1,767,948 km (0.071 R)
• M7: 1,935,198 km (0.059 R)
• M8: 2,420,045 km (0.081 R)
• M9: 3,075,134 km (0.117 R)
• M10: 3,219,197 km (0.094 R)
• M11: 4,093,746 km (0.089 R)
• M12: 4,478,212 km (0.04 R)
• M13: 5,216,627 km (0.084 R)
• M14: 6,032,983 km (0.1 R)
• M15: 7,221,089 km (0.036 R)
• M16: 10,746,662 km (0.116 R)
• M17: 11,999,544 km (0.043 R)
• M18: 14,122,039 km (0.114 R)
• M19: 14,254,284 km (0.11 R)
• M20: 14,927,324 km (0.111 R)
• M21: 21,438,871 km (0.107 R)
• M22: 21,877,193 km (0.082 R)
• M23: 22,321,498 km (0.051 R)
• M24: 26,998,077 km (0.082 R)
• M25: 29,080,779 km (0.076 R)
• M26: 30,380,485 km (0.042 R)
• M27: 30,933,249 km (0.103 R)
• M28: 31,945,129 km (0.106 R)
• M29: 32,401,852 km (0.051 R)
• M30: 34,272,423 km (0.103 R)
• M31: 36,960,099 km (0.095 R)
• M32: 43,305,143 km (0.037 R)
• M33: 45,427,338 km (0.112 R)
• M34: 50,184,700 km (0.092 R)
• M35: 50,956,775 km (0.094 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 539 - 17,704 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit