🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.5

Radius: 9.8

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.84 AU - 0.9 AU

Year: 560 Days

Day: 10.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,512,135 km

• M1: 121,922 km (0.09 R)
• M2: 437,275 km (0.053 R)
• M3: 799,301 km (0.113 R)
• M4: 1,391,559 km (0.087 R)
• M5: 1,931,757 km (0.098 R)
• M6: 2,238,283 km (0.097 R)
• M7: 2,765,167 km (0.111 R)
• M8: 3,102,211 km (0.103 R)
• M9: 3,538,289 km (0.096 R)
• M10: 4,001,893 km (0.049 R)
• M11: 4,463,252 km (0.111 R)
• M12: 4,795,210 km (0.091 R)
• M13: 5,174,740 km (0.068 R)
• M14: 5,492,785 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.8

Radius: 14.6

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.85 AU - 1.33 AU

Year: 786 Days

Day: 5.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,512,135 km

• M1: 181,612 km (0.104 R)
• M2: 688,898 km (0.115 R)
• M3: 1,156,691 km (0.112 R)
• M4: 1,699,432 km (0.086 R)
• M5: 2,383,842 km (0.062 R)
• M6: 2,931,370 km (0.086 R)
• M7: 3,421,902 km (0.112 R)
• M8: 4,225,242 km (0.068 R)
• M9: 5,530,035 km (0.032 R)
• M10: 6,057,966 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37

Radius: 8.5

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.52 AU - 1.64 AU

Year: 1371 Days

Day: 14.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 68,512,135 km

• M1: 105,766 km (0.111 R)
• M2: 447,298 km (0.08 R)
• M3: 1,329,327 km (0.12 R)
• M4: 2,173,956 km (0.106 R)
• M5: 2,868,390 km (0.069 R)
• M6: 4,158,073 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159

Radius: 14.9

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 3.33 AU - 5.49 AU

Year: 6392 Days

Day: 11.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,512,135 km

• M1: 185,801 km (0.105 R)
• M2: 936,183 km (0.061 R)
• M3: 1,603,988 km (0.091 R)
• M4: 2,350,482 km (0.077 R)
• M5: 3,250,612 km (0.113 R)
• M6: 4,094,643 km (0.087 R)
• M7: 4,867,017 km (0.112 R)
• M8: 5,426,364 km (0.118 R)
• M9: 6,388,427 km (0.056 R)
• M10: 8,275,305 km (0.032 R)
• M11: 8,826,723 km (0.088 R)
• M12: 9,513,377 km (0.058 R)
• M13: 10,510,597 km (0.075 R)
• M14: 11,282,671 km (0.11 R)
• M15: 13,216,373 km (0.062 R)
• M16: 13,732,486 km (0.078 R)
• M17: 14,556,770 km (0.047 R)
• M18: 15,672,172 km (0.101 R)
• M19: 17,732,135 km (0.099 R)
• M20: 18,768,549 km (0.079 R)
• M21: 20,089,797 km (0.038 R)
• M22: 21,536,409 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752

Radius: 9.1

Gravity: 9.08 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 4.24 AU - 5.86 AU

Year: 7833 Days

Day: 12 Hours

Environment

Temp: -234 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,512,135 km

• M1: 113,096 km (0.12 R)
• M2: 685,308 km (0.1 R)
• M3: 1,042,996 km (0.093 R)
• M4: 1,688,661 km (0.108 R)
• M5: 2,068,340 km (0.112 R)
• M6: 2,486,017 km (0.057 R)
• M7: 2,938,401 km (0.099 R)
• M8: 3,805,919 km (0.104 R)
• M9: 4,272,366 km (0.112 R)
• M10: 8,675,929 km (0.075 R)
• M11: 9,392,951 km (0.048 R)
• M12: 11,515,595 km (0.085 R)
• M13: 20,695,818 km (0.031 R)
• M14: 24,247,720 km (0.071 R)
• M15: 24,862,119 km (0.059 R)
• M16: 31,900,549 km (0.07 R)
• M17: 33,494,963 km (0.105 R)
• M18: 34,256,865 km (0.118 R)
• M19: 35,365,385 km (0.101 R)
• M20: 35,815,376 km (0.076 R)
• M21: 37,304,323 km (0.106 R)
• M22: 41,020,933 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.8

Radius: 11.5

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 4.5 AU - 6.06 AU

Year: 8375 Days

Day: 6.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,512,135 km

• M1: 318,793 km (0.096 R)
• M2: 893,398 km (0.112 R)
• M3: 1,474,736 km (0.072 R)
• M4: 2,429,320 km (0.052 R)
• M5: 3,941,605 km (0.117 R)
• M6: 9,523,101 km (0.097 R)
• M7: 13,827,032 km (0.107 R)
• M8: 15,938,157 km (0.096 R)
• M9: 17,786,888 km (0.113 R)
• M10: 22,242,062 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 508.7

Radius: 4.7

Gravity: 23.03 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 8.4 AU - 10.36 AU

Year: 19830 Days

Day: 24.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 68,512,135 km

• M1: 58,493 km (0.091 R)
• M2: 242,349 km (0.05 R)
• M3: 394,789 km (0.116 R)
• M4: 622,626 km (0.098 R)
• M5: 1,332,319 km (0.025 R)
• M6: 3,553,997 km (0.108 R)
• M7: 3,844,366 km (0.115 R)
• M8: 4,707,695 km (0.073 R)
• M9: 5,731,992 km (0.109 R)
• M10: 6,379,900 km (0.105 R)
• M11: 9,851,169 km (0.04 R)
• M12: 11,697,656 km (0.04 R)
• M13: 12,470,628 km (0.03 R)
• M14: 15,981,391 km (0.091 R)
• M15: 21,677,629 km (0.07 R)
• M16: 22,351,119 km (0.098 R)
• M17: 22,644,031 km (0.108 R)
• M18: 22,840,752 km (0.055 R)
• M19: 23,237,486 km (0.056 R)
• M20: 26,469,847 km (0.108 R)
• M21: 31,553,931 km (0.106 R)
• M22: 33,553,157 km (0.102 R)
• M23: 49,134,074 km (0.111 R)
• M24: 55,475,678 km (0.103 R)
• M25: 57,278,631 km (0.071 R)
• M26: 58,748,879 km (0.119 R)
• M27: 61,764,622 km (0.084 R)
• M28: 62,341,322 km (0.095 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 523 - 11,779 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit