🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.7

Radius: 12.7

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.53 AU - 0.61 AU

Year: 292 Days

Day: 13.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,823,190 km

• M1: 157,975 km (0.11 R)
• M2: 561,142 km (0.118 R)
• M3: 1,008,738 km (0.105 R)
• M4: 1,477,877 km (0.052 R)
• M5: 1,983,668 km (0.108 R)
• M6: 2,535,235 km (0.045 R)
• M7: 3,048,954 km (0.105 R)
• M8: 3,609,647 km (0.066 R)
• M9: 4,226,439 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.2

Radius: 11.1

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.51 AU - 0.81 AU

Year: 364 Days

Day: 11.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,823,190 km

• M1: 138,079 km (0.089 R)
• M2: 556,654 km (0.086 R)
• M3: 934,538 km (0.062 R)
• M4: 1,403,826 km (0.111 R)
• M5: 2,013,737 km (0.103 R)
• M6: 2,439,642 km (0.117 R)
• M7: 2,906,537 km (0.106 R)
• M8: 3,389,888 km (0.11 R)
• M9: 3,856,334 km (0.06 R)
• M10: 4,240,352 km (0.029 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.7

Radius: 13.2

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.68 AU - 0.68 AU

Year: 380 Days

Day: 10.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 48,823,190 km

• M1: 166,652 km (0.064 R)
• M2: 748,588 km (0.117 R)
• M3: 1,204,113 km (0.098 R)
• M4: 2,271,943 km (0.11 R)
• M5: 3,228,172 km (0.103 R)
• M6: 4,628,109 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670

Radius: 10.2

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.74 AU - 1.1 AU

Year: 599 Days

Day: 11.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 87.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,823,190 km

• M1: 126,859 km (0.105 R)
• M2: 498,011 km (0.096 R)
• M3: 827,725 km (0.11 R)
• M4: 1,330,075 km (0.093 R)
• M5: 1,898,547 km (0.098 R)
• M6: 2,807,952 km (0.109 R)
• M7: 3,495,504 km (0.099 R)
• M8: 4,246,635 km (0.114 R)
• M9: 5,152,749 km (0.119 R)
• M10: 6,416,253 km (0.11 R)
• M11: 6,757,037 km (0.11 R)
• M12: 7,237,395 km (0.04 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.2

Radius: 8.4

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.26 AU - 4.19 AU

Year: 4866 Days

Day: 8.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 48,823,190 km

• M1: 105,317 km (0.12 R)
• M2: 440,865 km (0.113 R)
• M3: 821,442 km (0.101 R)
• M4: 1,216,081 km (0.112 R)
• M5: 1,746,256 km (0.091 R)
• M6: 2,127,731 km (0.052 R)
• M7: 2,392,070 km (0.025 R)
• M8: 2,916,859 km (0.059 R)
• M9: 3,188,230 km (0.086 R)
• M10: 3,576,436 km (0.098 R)
• M11: 3,845,563 km (0.118 R)
• M12: 4,883,772 km (0.117 R)
• M13: 5,216,029 km (0.108 R)
• M14: 6,069,335 km (0.038 R)
• M15: 7,109,040 km (0.075 R)
• M16: 7,911,334 km (0.11 R)
• M17: 8,515,260 km (0.103 R)
• M18: 9,226,149 km (0.116 R)
• M19: 10,680,989 km (0.065 R)
• M20: 11,462,937 km (0.11 R)
• M21: 14,038,563 km (0.109 R)
• M22: 15,844,658 km (0.104 R)
• M23: 18,898,549 km (0.107 R)
• M24: 19,211,359 km (0.106 R)
• M25: 20,235,954 km (0.088 R)
• M26: 20,961,055 km (0.085 R)
• M27: 21,977,722 km (0.084 R)
• M28: 23,383,942 km (0.07 R)
• M29: 24,035,890 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.2

Radius: 8.9

Gravity: 10.86 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 4.57 AU - 5.21 AU

Year: 7334 Days

Day: 12.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,823,190 km

• M1: 110,702 km (0.113 R)
• M2: 446,250 km (0.108 R)
• M3: 750,533 km (0.104 R)
• M4: 1,485,208 km (0.11 R)
• M5: 2,504,418 km (0.089 R)
• M6: 3,587,207 km (0.091 R)
• M7: 3,907,646 km (0.12 R)
• M8: 4,437,970 km (0.086 R)
• M9: 5,740,669 km (0.086 R)
• M10: 6,975,898 km (0.057 R)
• M11: 11,366,446 km (0.066 R)
• M12: 12,726,590 km (0.058 R)
• M13: 13,593,061 km (0.11 R)
• M14: 13,950,450 km (0.025 R)
• M15: 19,410,174 km (0.111 R)
• M16: 20,557,141 km (0.112 R)
• M17: 22,238,023 km (0.101 R)
• M18: 22,985,713 km (0.05 R)
• M19: 25,150,544 km (0.083 R)
• M20: 26,512,782 km (0.116 R)
• M21: 29,284,681 km (0.114 R)
• M22: 33,525,182 km (0.108 R)
• M23: 34,178,177 km (0.074 R)
• M24: 35,062,001 km (0.06 R)
• M25: 41,805,873 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 140.7

Radius: 5.6

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 9.09 AU - 11.67 AU

Year: 22682 Days

Day: 20.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,823,190 km

• M1: 114,143 km (0.097 R)
• M2: 431,141 km (0.095 R)
• M3: 718,668 km (0.084 R)
• M4: 1,399,189 km (0.108 R)
• M5: 1,743,264 km (0.114 R)
• M6: 2,142,092 km (0.063 R)
• M7: 2,363,347 km (0.063 R)
• M8: 3,479,198 km (0.044 R)
• M9: 4,753,472 km (0.094 R)
• M10: 5,067,029 km (0.108 R)
• M11: 6,846,047 km (0.098 R)
• M12: 9,930,606 km (0.108 R)
• M13: 10,919,448 km (0.062 R)
• M14: 15,399,306 km (0.033 R)
• M15: 18,495,234 km (0.114 R)
• M16: 20,473,366 km (0.087 R)
• M17: 23,563,460 km (0.12 R)
• M18: 30,116,146 km (0.094 R)
• M19: 31,514,287 km (0.109 R)
• M20: 35,374,511 km (0.119 R)
• M21: 36,567,255 km (0.072 R)
• M22: 36,808,855 km (0.08 R)
• M23: 48,531,195 km (0.077 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 371 - 20,030 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit