🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.4

Radius: 11.1

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.59 AU - 0.97 AU

Year: 452 Days

Day: 7.9 Hours

Environment

Temp: -137 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 71,466,913 km

• M1: 138,079 km (0.097 R)
• M2: 524,789 km (0.09 R)
• M3: 911,649 km (0.103 R)
• M4: 1,402,181 km (0.08 R)
• M5: 2,532,692 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.7

Radius: 14.4

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.04 AU - 1.5 AU

Year: 939 Days

Day: 10.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,466,913 km

• M1: 179,218 km (0.099 R)
• M2: 669,450 km (0.077 R)
• M3: 1,211,892 km (0.075 R)
• M4: 2,372,622 km (0.103 R)
• M5: 2,896,664 km (0.088 R)
• M6: 3,498,047 km (0.05 R)
• M7: 4,101,974 km (0.113 R)
• M8: 4,828,421 km (0.115 R)
• M9: 6,807,302 km (0.105 R)
• M10: 7,270,157 km (0.11 R)
• M11: 7,803,623 km (0.073 R)
• M12: 8,840,785 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769

Radius: 13.9

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.86 AU - 3.52 AU

Year: 3738 Days

Day: 8.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 71,466,913 km

• M1: 172,935 km (0.118 R)
• M2: 672,592 km (0.107 R)
• M3: 1,209,050 km (0.07 R)
• M4: 1,767,349 km (0.101 R)
• M5: 2,787,906 km (0.115 R)
• M6: 3,401,706 km (0.119 R)
• M7: 4,126,807 km (0.043 R)
• M8: 6,000,819 km (0.085 R)
• M9: 7,030,651 km (0.117 R)
• M10: 7,487,673 km (0.112 R)
• M11: 7,929,884 km (0.115 R)
• M12: 9,131,604 km (0.036 R)
• M13: 10,243,565 km (0.096 R)
• M14: 11,667,886 km (0.085 R)
• M15: 12,498,603 km (0.112 R)
• M16: 13,467,399 km (0.079 R)
• M17: 16,333,993 km (0.093 R)
• M18: 17,138,979 km (0.072 R)
• M19: 18,642,288 km (0.072 R)
• M20: 19,267,607 km (0.104 R)
• M21: 19,906,839 km (0.1 R)
• M22: 20,759,098 km (0.12 R)
• M23: 24,785,525 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.2

Radius: 8.6

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 4.73 AU - 5.41 AU

Year: 7489 Days

Day: 10.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,466,913 km

• M1: 107,112 km (0.094 R)
• M2: 456,423 km (0.119 R)
• M3: 1,053,468 km (0.119 R)
• M4: 1,567,337 km (0.048 R)
• M5: 1,931,009 km (0.077 R)
• M6: 2,668,826 km (0.034 R)
• M7: 3,393,329 km (0.055 R)
• M8: 3,779,590 km (0.119 R)
• M9: 6,326,045 km (0.079 R)
• M10: 8,577,194 km (0.072 R)
• M11: 11,175,410 km (0.103 R)
• M12: 12,779,697 km (0.075 R)
• M13: 15,379,259 km (0.109 R)
• M14: 20,253,906 km (0.101 R)
• M15: 20,954,174 km (0.076 R)
• M16: 24,937,965 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.9

Radius: 12.6

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 5.08 AU - 5.44 AU

Year: 7914 Days

Day: 7.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 92.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 71,466,913 km

• M1: 156,629 km (0.027 R)
• M2: 815,458 km (0.094 R)
• M3: 1,212,042 km (0.067 R)
• M4: 1,951,953 km (0.057 R)
• M5: 2,371,276 km (0.028 R)
• M6: 2,851,186 km (0.069 R)
• M7: 3,512,857 km (0.064 R)
• M8: 4,140,719 km (0.119 R)
• M9: 5,022,001 km (0.095 R)
• M10: 5,459,425 km (0.093 R)
• M11: 6,555,678 km (0.107 R)
• M12: 8,000,345 km (0.059 R)
• M13: 9,227,496 km (0.071 R)
• M14: 9,694,989 km (0.078 R)
• M15: 10,129,122 km (0.096 R)
• M16: 12,386,255 km (0.03 R)
• M17: 13,722,463 km (0.111 R)
• M18: 15,476,199 km (0.064 R)
• M19: 15,870,689 km (0.065 R)
• M20: 16,817,344 km (0.075 R)
• M21: 17,944,863 km (0.08 R)
• M22: 18,600,999 km (0.095 R)
• M23: 21,063,979 km (0.11 R)
• M24: 30,667,115 km (0.061 R)
• M25: 42,706,602 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.3

Radius: 12.2

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 4.73 AU - 5.81 AU

Year: 7936 Days

Day: 11 Hours

Environment

Temp: -224 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 71,466,913 km

• M1: 151,842 km (0.107 R)
• M2: 571,165 km (0.105 R)
• M3: 1,007,093 km (0.066 R)
• M4: 1,686,118 km (0.048 R)
• M5: 2,066,844 km (0.08 R)
• M6: 3,552,650 km (0.12 R)
• M7: 4,319,639 km (0.092 R)
• M8: 4,757,063 km (0.114 R)
• M9: 5,531,381 km (0.08 R)
• M10: 6,149,071 km (0.103 R)
• M11: 7,796,592 km (0.041 R)
• M12: 8,240,599 km (0.056 R)
• M13: 9,447,704 km (0.115 R)
• M14: 10,917,952 km (0.098 R)
• M15: 12,210,777 km (0.097 R)
• M16: 13,718,723 km (0.117 R)
• M17: 14,307,690 km (0.108 R)
• M18: 16,241,242 km (0.063 R)
• M19: 16,700,957 km (0.071 R)
• M20: 18,770,194 km (0.115 R)
• M21: 19,643,996 km (0.103 R)
• M22: 21,551,069 km (0.088 R)
• M23: 23,830,492 km (0.062 R)
• M24: 25,028,472 km (0.057 R)
• M25: 28,482,238 km (0.064 R)
• M26: 32,139,008 km (0.102 R)
• M27: 34,997,075 km (0.098 R)
• M28: 35,544,454 km (0.072 R)
• M29: 37,220,549 km (0.099 R)
• M30: 37,676,373 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 655.9

Radius: 4.4

Gravity: 33.88 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 7.96 AU - 10.64 AU

Year: 18605 Days

Day: 21.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 71,466,913 km

• M1: 54,753 km (0.085 R)
• M2: 300,542 km (0.064 R)
• M3: 754,572 km (0.099 R)
• M4: 981,512 km (0.076 R)
• M5: 1,197,531 km (0.081 R)
• M6: 1,398,740 km (0.108 R)
• M7: 1,814,473 km (0.028 R)
• M8: 2,286,753 km (0.105 R)
• M9: 2,621,104 km (0.057 R)
• M10: 4,193,827 km (0.094 R)
• M11: 4,869,261 km (0.081 R)
• M12: 5,307,732 km (0.051 R)
• M13: 6,096,562 km (0.076 R)
• M14: 8,302,981 km (0.108 R)
• M15: 9,142,823 km (0.091 R)
• M16: 9,583,389 km (0.111 R)
• M17: 13,560,149 km (0.108 R)
• M18: 14,498,726 km (0.097 R)
• M19: 15,249,558 km (0.086 R)
• M20: 22,017,366 km (0.107 R)
• M21: 28,525,920 km (0.099 R)
• M22: 30,544,744 km (0.098 R)
• M23: 33,813,308 km (0.08 R)
• M24: 36,344,204 km (0.049 R)
• M25: 38,429,299 km (0.071 R)
• M26: 38,998,519 km (0.092 R)
• M27: 39,573,274 km (0.061 R)
• M28: 40,153,714 km (0.031 R)
• M29: 40,592,784 km (0.104 R)
• M30: 41,480,498 km (0.11 R)
• M31: 43,601,945 km (0.038 R)
• M32: 49,052,693 km (0.09 R)
• M33: 61,475,300 km (0.051 R)
• M34: 64,228,051 km (0.114 R)
• M35: 69,556,128 km (0.048 R)
• M36: 71,039,242 km (0.113 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: 508 - 17,680 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit