🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.2

Radius: 13.5

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.6 AU - 0.62 AU

Year: 323 Days

Day: 12.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 63,404,031 km

• M1: 167,998 km (0.109 R)
• M2: 598,242 km (0.115 R)
• M3: 1,078,002 km (0.077 R)
• M4: 1,909,467 km (0.091 R)
• M5: 2,491,253 km (0.068 R)
• M6: 3,022,924 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.5

Radius: 13.1

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.77 AU - 0.83 AU

Year: 485 Days

Day: 7.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,404,031 km

• M1: 162,912 km (0.059 R)
• M2: 587,471 km (0.085 R)
• M3: 1,048,382 km (0.103 R)
• M4: 1,619,696 km (0.107 R)
• M5: 2,100,952 km (0.094 R)
• M6: 2,658,653 km (0.11 R)
• M7: 3,212,614 km (0.119 R)
• M8: 3,805,171 km (0.032 R)
• M9: 4,399,973 km (0.056 R)
• M10: 4,965,153 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.9

Radius: 10

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.86 AU - 1.12 AU

Year: 668 Days

Day: 6.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,404,031 km

• M1: 124,316 km (0.096 R)
• M2: 501,153 km (0.12 R)
• M3: 867,368 km (0.067 R)
• M4: 1,382,284 km (0.09 R)
• M5: 1,891,067 km (0.073 R)
• M6: 2,368,882 km (0.042 R)
• M7: 2,868,689 km (0.108 R)
• M8: 3,373,881 km (0.114 R)
• M9: 3,702,099 km (0.04 R)
• M10: 4,138,924 km (0.053 R)
• M11: 5,150,056 km (0.053 R)
• M12: 5,497,871 km (0.056 R)
• M13: 5,917,045 km (0.119 R)
• M14: 6,298,818 km (0.035 R)
• M15: 7,154,518 km (0.041 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.3

Radius: 12.2

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.49 AU - 4.71 AU

Year: 5631 Days

Day: 11.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,404,031 km

• M1: 160,369 km (0.101 R)
• M2: 578,046 km (0.111 R)
• M3: 1,097,151 km (0.118 R)
• M4: 1,613,862 km (0.052 R)
• M5: 2,638,308 km (0.098 R)
• M6: 3,441,349 km (0.114 R)
• M7: 3,988,578 km (0.086 R)
• M8: 4,448,592 km (0.099 R)
• M9: 4,841,885 km (0.069 R)
• M10: 6,315,125 km (0.079 R)
• M11: 6,813,734 km (0.079 R)
• M12: 7,749,768 km (0.043 R)
• M13: 9,591,767 km (0.111 R)
• M14: 10,854,522 km (0.11 R)
• M15: 11,344,306 km (0.078 R)
• M16: 14,018,517 km (0.116 R)
• M17: 15,142,296 km (0.059 R)
• M18: 15,754,451 km (0.092 R)
• M19: 16,968,886 km (0.066 R)
• M20: 18,058,857 km (0.041 R)
• M21: 21,331,011 km (0.114 R)
• M22: 23,473,701 km (0.083 R)
• M23: 24,902,660 km (0.12 R)
• M24: 25,599,487 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 410.7

Radius: 3.8

Gravity: 28.44 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 6.24 AU - 10.4 AU

Year: 16277 Days

Day: 19.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 63,404,031 km

• M1: 47,572 km (0.087 R)
• M2: 187,895 km (0.057 R)
• M3: 564,732 km (0.099 R)
• M4: 973,882 km (0.112 R)
• M5: 1,327,232 km (0.094 R)
• M6: 2,110,676 km (0.042 R)
• M7: 2,484,521 km (0.089 R)
• M8: 2,787,008 km (0.11 R)
• M9: 4,583,828 km (0.11 R)
• M10: 4,971,586 km (0.111 R)
• M11: 6,948,821 km (0.12 R)
• M12: 7,503,530 km (0.077 R)
• M13: 8,179,712 km (0.069 R)
• M14: 8,556,400 km (0.088 R)
• M15: 8,993,974 km (0.055 R)
• M16: 11,465,779 km (0.043 R)
• M17: 12,731,078 km (0.113 R)
• M18: 13,494,476 km (0.064 R)
• M19: 14,423,030 km (0.099 R)
• M20: 17,463,307 km (0.116 R)
• M21: 18,806,547 km (0.118 R)
• M22: 20,217,105 km (0.049 R)
• M23: 21,254,117 km (0.103 R)
• M24: 24,001,183 km (0.117 R)
• M25: 25,064,824 km (0.103 R)
• M26: 30,745,504 km (0.071 R)
• M27: 31,883,794 km (0.115 R)
• M28: 33,167,942 km (0.092 R)
• M29: 34,486,199 km (0.037 R)
• M30: 42,435,530 km (0.045 R)
• M31: 43,277,766 km (0.047 R)
• M32: 48,413,312 km (0.073 R)
• M33: 53,288,407 km (0.041 R)
• M34: 53,450,870 km (0.063 R)
• M35: 54,432,681 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 571.2

Radius: 5.1

Gravity: 21.96 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 7.25 AU - 9.65 AU

Year: 16660 Days

Day: 24.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,404,031 km

• M1: 63,878 km (0.108 R)
• M2: 308,620 km (0.097 R)
• M3: 885,470 km (0.042 R)
• M4: 1,242,111 km (0.115 R)
• M5: 1,987,109 km (0.063 R)
• M6: 4,056,645 km (0.087 R)
• M7: 5,241,311 km (0.12 R)
• M8: 7,245,025 km (0.03 R)
• M9: 8,664,858 km (0.096 R)
• M10: 13,676,686 km (0.12 R)
• M11: 14,229,450 km (0.085 R)
• M12: 17,538,705 km (0.052 R)
• M13: 20,691,031 km (0.107 R)
• M14: 25,626,714 km (0.037 R)
• M15: 36,543,169 km (0.076 R)
• M16: 39,931,412 km (0.088 R)
• M17: 45,321,423 km (0.097 R)
• M18: 45,625,855 km (0.102 R)
• M19: 50,683,908 km (0.076 R)
• M20: 52,171,061 km (0.102 R)
• M21: 53,347,648 km (0.115 R)
• M22: 55,579,349 km (0.03 R)
• M23: 55,753,630 km (0.111 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 226 - 11,706 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit