🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.6

Radius: 12.4

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.57 AU - 0.63 AU

Year: 327 Days

Day: 5 Hours

Environment

Temp: -159 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 49,891,276 km

• M1: 154,235 km (0.112 R)
• M2: 589,416 km (0.052 R)
• M3: 1,035,816 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.2

Radius: 12.7

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.75 AU - 0.89 AU

Year: 522 Days

Day: 10.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,891,276 km

• M1: 157,975 km (0.089 R)
• M2: 759,658 km (0.039 R)
• M3: 1,334,563 km (0.086 R)
• M4: 1,792,182 km (0.117 R)
• M5: 2,576,674 km (0.093 R)
• M6: 3,111,337 km (0.073 R)
• M7: 3,719,601 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.9

Radius: 11.5

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.97 AU - 2.09 AU

Year: 2033 Days

Day: 9.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,891,276 km

• M1: 143,913 km (0.096 R)
• M2: 555,906 km (0.072 R)
• M3: 978,669 km (0.074 R)
• M4: 1,400,386 km (0.087 R)
• M5: 1,905,278 km (0.117 R)
• M6: 2,289,147 km (0.12 R)
• M7: 2,891,128 km (0.079 R)
• M8: 3,344,410 km (0.063 R)
• M9: 3,909,142 km (0.054 R)
• M10: 4,921,920 km (0.059 R)
• M11: 5,368,918 km (0.109 R)
• M12: 6,057,966 km (0.116 R)
• M13: 6,758,084 km (0.087 R)
• M14: 7,164,392 km (0.066 R)
• M15: 7,637,869 km (0.077 R)
• M16: 8,052,704 km (0.11 R)
• M17: 8,899,577 km (0.059 R)
• M18: 10,515,085 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587

Radius: 8.6

Gravity: 7.94 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.14 AU - 2.56 AU

Year: 2532 Days

Day: 10.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,891,276 km

• M1: 112,647 km (0.076 R)
• M2: 421,716 km (0.097 R)
• M3: 758,012 km (0.06 R)
• M4: 1,077,703 km (0.092 R)
• M5: 2,277,628 km (0.069 R)
• M6: 2,698,596 km (0.094 R)
• M7: 3,153,972 km (0.079 R)
• M8: 4,198,763 km (0.107 R)
• M9: 5,410,506 km (0.069 R)
• M10: 6,590,983 km (0.103 R)
• M11: 8,249,425 km (0.119 R)
• M12: 9,072,961 km (0.046 R)
• M13: 11,350,738 km (0.03 R)
• M14: 11,872,685 km (0.113 R)
• M15: 12,452,676 km (0.098 R)
• M16: 13,624,177 km (0.045 R)
• M17: 13,939,530 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.3

Radius: 10

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.17 AU - 3.37 AU

Year: 3241 Days

Day: 12.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,891,276 km

• M1: 128,953 km (0.082 R)
• M2: 628,311 km (0.097 R)
• M3: 1,668,166 km (0.084 R)
• M4: 1,992,943 km (0.107 R)
• M5: 3,179,553 km (0.093 R)
• M6: 3,905,402 km (0.083 R)
• M7: 4,691,539 km (0.062 R)
• M8: 5,553,372 km (0.098 R)
• M9: 5,981,072 km (0.113 R)
• M10: 6,546,702 km (0.105 R)
• M11: 7,147,487 km (0.114 R)
• M12: 8,493,868 km (0.086 R)
• M13: 9,172,145 km (0.12 R)
• M14: 11,552,696 km (0.098 R)
• M15: 13,024,140 km (0.073 R)
• M16: 16,389,494 km (0.106 R)
• M17: 16,716,664 km (0.093 R)
• M18: 18,184,818 km (0.108 R)
• M19: 20,169,832 km (0.063 R)
• M20: 20,482,641 km (0.043 R)
• M21: 20,990,077 km (0.114 R)
• M22: 21,701,266 km (0.043 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.2

Radius: 14.9

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.62 AU - 2.98 AU

Year: 3293 Days

Day: 10.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,891,276 km

• M1: 185,501 km (0.071 R)
• M2: 667,057 km (0.062 R)
• M3: 2,309,342 km (0.059 R)
• M4: 2,815,282 km (0.12 R)
• M5: 3,699,855 km (0.094 R)
• M6: 5,186,857 km (0.072 R)
• M7: 8,423,557 km (0.051 R)
• M8: 9,731,192 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.3

Radius: 10.8

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 3.75 AU - 6.19 AU

Year: 7788 Days

Day: 13.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,891,276 km

• M1: 179,966 km (0.115 R)
• M2: 950,994 km (0.051 R)
• M3: 1,592,769 km (0.089 R)
• M4: 2,541,817 km (0.103 R)
• M5: 3,662,605 km (0.069 R)
• M6: 4,938,375 km (0.053 R)
• M7: 7,532,253 km (0.102 R)
• M8: 11,126,192 km (0.088 R)
• M9: 11,643,801 km (0.077 R)
• M10: 14,174,548 km (0.09 R)
• M11: 17,462,260 km (0.114 R)
• M12: 18,446,764 km (0.105 R)
• M13: 20,758,201 km (0.114 R)
• M14: 24,534,200 km (0.097 R)
• M15: 28,456,806 km (0.032 R)
• M16: 30,416,239 km (0.075 R)
• M17: 34,492,931 km (0.062 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 805.4

Radius: 5.8

Gravity: 23.94 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 4.5 AU - 7.08 AU

Year: 9793 Days

Day: 24.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 49,891,276 km

• M1: 72,106 km (0.054 R)
• M2: 330,013 km (0.081 R)
• M3: 639,531 km (0.101 R)
• M4: 850,613 km (0.108 R)
• M5: 1,130,960 km (0.12 R)
• M6: 1,351,168 km (0.113 R)
• M7: 1,928,317 km (0.112 R)
• M8: 2,300,965 km (0.113 R)
• M9: 2,699,344 km (0.059 R)
• M10: 3,027,412 km (0.073 R)
• M11: 3,480,694 km (0.107 R)
• M12: 4,551,665 km (0.066 R)
• M13: 4,984,900 km (0.081 R)
• M14: 6,225,067 km (0.113 R)
• M15: 9,057,553 km (0.085 R)
• M16: 13,565,086 km (0.1 R)
• M17: 17,306,978 km (0.041 R)
• M18: 18,206,061 km (0.073 R)
• M19: 21,427,651 km (0.075 R)
• M20: 22,639,394 km (0.055 R)
• M21: 24,171,426 km (0.085 R)
• M22: 25,579,590 km (0.064 R)
• M23: 26,060,847 km (0.086 R)
• M24: 26,548,087 km (0.045 R)
• M25: 28,352,686 km (0.12 R)
• M26: 30,023,993 km (0.053 R)
• M27: 30,451,843 km (0.053 R)
• M28: 30,883,732 km (0.072 R)
• M29: 32,539,930 km (0.074 R)
• M30: 34,604,531 km (0.097 R)
• M31: 43,327,582 km (0.043 R)
• M32: 47,249,141 km (0.094 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 347 - 13,471 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit