🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.4

Radius: 12.7

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.43 AU - 0.67 AU

Year: 272 Days

Day: 10.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,423,780 km

• M1: 157,975 km (0.086 R)
• M2: 560,244 km (0.103 R)
• M3: 967,898 km (0.067 R)
• M4: 1,603,689 km (0.058 R)
• M5: 2,044,105 km (0.043 R)
• M6: 2,582,658 km (0.107 R)
• M7: 2,984,029 km (0.115 R)
• M8: 3,479,497 km (0.108 R)
• M9: 3,937,715 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.8

Radius: 11.6

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.64 AU - 0.86 AU

Year: 433 Days

Day: 8.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,423,780 km

• M1: 144,212 km (0.105 R)
• M2: 544,985 km (0.093 R)
• M3: 1,013,825 km (0.094 R)
• M4: 1,619,247 km (0.041 R)
• M5: 2,122,495 km (0.113 R)
• M6: 2,604,798 km (0.08 R)
• M7: 3,509,716 km (0.063 R)
• M8: 3,872,341 km (0.093 R)
• M9: 4,317,544 km (0.111 R)
• M10: 4,828,122 km (0.11 R)
• M11: 5,480,069 km (0.057 R)
• M12: 6,061,257 km (0.093 R)
• M13: 6,471,305 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.3

Radius: 10.1

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.8 AU - 0.9 AU

Year: 523 Days

Day: 7.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,423,780 km

• M1: 126,111 km (0.117 R)
• M2: 490,831 km (0.076 R)
• M3: 934,388 km (0.099 R)
• M4: 1,285,943 km (0.112 R)
• M5: 1,665,024 km (0.093 R)
• M6: 2,275,384 km (0.062 R)
• M7: 2,654,315 km (0.069 R)
• M8: 2,973,108 km (0.106 R)
• M9: 3,287,712 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.9

Radius: 12.9

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.97 AU - 1.21 AU

Year: 759 Days

Day: 13.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,423,780 km

• M1: 160,369 km (0.059 R)
• M2: 597,045 km (0.106 R)
• M3: 1,167,163 km (0.119 R)
• M4: 1,845,140 km (0.044 R)
• M5: 2,490,206 km (0.068 R)
• M6: 3,450,924 km (0.084 R)
• M7: 3,951,478 km (0.114 R)
• M8: 4,710,687 km (0.103 R)
• M9: 6,336,966 km (0.045 R)
• M10: 8,118,377 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.3

Radius: 13.4

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.03 AU - 1.65 AU

Year: 1034 Days

Day: 7.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,423,780 km

• M1: 166,652 km (0.066 R)
• M2: 733,030 km (0.105 R)
• M3: 1,296,565 km (0.119 R)
• M4: 1,759,271 km (0.119 R)
• M5: 2,322,357 km (0.112 R)
• M6: 2,858,067 km (0.109 R)
• M7: 3,327,954 km (0.106 R)
• M8: 3,817,438 km (0.11 R)
• M9: 4,624,220 km (0.114 R)
• M10: 5,336,904 km (0.104 R)
• M11: 5,880,692 km (0.116 R)
• M12: 7,480,342 km (0.109 R)
• M13: 8,631,797 km (0.091 R)
• M14: 9,235,574 km (0.075 R)
• M15: 10,178,190 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 502.1

Radius: 3.3

Gravity: 46.11 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 5.41 AU - 6.81 AU

Year: 10071 Days

Day: 15.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 43,423,780 km

• M1: 43,383 km (0.094 R)
• M2: 165,306 km (0.12 R)
• M3: 338,540 km (0.073 R)
• M4: 442,810 km (0.065 R)
• M5: 555,158 km (0.104 R)
• M6: 821,292 km (0.116 R)
• M7: 1,121,086 km (0.111 R)
• M8: 1,224,159 km (0.119 R)
• M9: 1,436,140 km (0.07 R)
• M10: 1,571,974 km (0.099 R)
• M11: 2,065,049 km (0.117 R)
• M12: 2,694,407 km (0.075 R)
• M13: 2,965,927 km (0.115 R)
• M14: 3,164,145 km (0.072 R)
• M15: 4,208,936 km (0.047 R)
• M16: 4,431,089 km (0.077 R)
• M17: 5,144,970 km (0.115 R)
• M18: 5,863,788 km (0.041 R)
• M19: 6,176,298 km (0.071 R)
• M20: 7,824,118 km (0.03 R)
• M21: 10,888,780 km (0.106 R)
• M22: 13,924,121 km (0.115 R)
• M23: 14,230,797 km (0.086 R)
• M24: 14,794,182 km (0.089 R)
• M25: 15,568,202 km (0.089 R)
• M26: 16,779,346 km (0.08 R)
• M27: 18,343,093 km (0.072 R)
• M28: 19,160,346 km (0.059 R)
• M29: 20,628,350 km (0.11 R)
• M30: 20,787,223 km (0.109 R)
• M31: 31,984,324 km (0.117 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 450 - 17,189 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit