🌌 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: 270.9

Radius: 8.6

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.58 AU - 0.62 AU

Year: 315 Days

Day: 8.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,221,871 km

• M1: 108,010 km (0.028 R)
• M2: 442,660 km (0.104 R)
• M3: 730,786 km (0.053 R)
• M4: 1,259,614 km (0.044 R)
• M5: 1,577,659 km (0.118 R)
• M6: 1,922,632 km (0.093 R)
• M7: 2,287,202 km (0.099 R)
• M8: 2,588,492 km (0.045 R)
• M9: 2,979,541 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.9

Radius: 14.2

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.67 AU - 1.83 AU

Year: 1570 Days

Day: 12 Hours

Environment

Temp: -194 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,221,871 km

• M1: 176,675 km (0.065 R)
• M2: 840,142 km (0.098 R)
• M3: 1,405,771 km (0.048 R)
• M4: 1,989,053 km (0.076 R)
• M5: 2,518,630 km (0.105 R)
• M6: 3,258,391 km (0.108 R)
• M7: 3,851,248 km (0.098 R)
• M8: 4,369,754 km (0.067 R)
• M9: 5,133,900 km (0.047 R)
• M10: 5,742,464 km (0.102 R)
• M11: 7,411,976 km (0.076 R)
• M12: 8,247,181 km (0.054 R)
• M13: 8,760,302 km (0.052 R)
• M14: 9,325,183 km (0.117 R)
• M15: 10,363,991 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.2

Radius: 12.9

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3.13 AU - 4.59 AU

Year: 5144 Days

Day: 9.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,221,871 km

• M1: 163,660 km (0.058 R)
• M2: 712,385 km (0.086 R)
• M3: 1,292,077 km (0.05 R)
• M4: 4,055,897 km (0.117 R)
• M5: 5,368,469 km (0.108 R)
• M6: 5,773,879 km (0.05 R)
• M7: 8,087,410 km (0.068 R)
• M8: 8,621,924 km (0.081 R)
• M9: 11,038,378 km (0.061 R)
• M10: 12,713,276 km (0.06 R)
• M11: 13,743,407 km (0.094 R)
• M12: 15,727,075 km (0.114 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 619

Radius: 6.9

Gravity: 13 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 8.99 AU - 10.53 AU

Year: 20681 Days

Day: 22.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 75,221,871 km

• M1: 85,869 km (0.082 R)
• M2: 329,415 km (0.107 R)
• M3: 561,590 km (0.12 R)
• M4: 896,839 km (0.102 R)
• M5: 1,995,187 km (0.101 R)
• M6: 2,885,294 km (0.108 R)
• M7: 3,860,971 km (0.119 R)
• M8: 4,440,813 km (0.06 R)
• M9: 5,652,556 km (0.111 R)
• M10: 6,841,709 km (0.082 R)
• M11: 10,229,652 km (0.056 R)
• M12: 11,020,426 km (0.053 R)
• M13: 11,851,443 km (0.107 R)
• M14: 15,517,189 km (0.106 R)
• M15: 17,992,884 km (0.04 R)
• M16: 19,052,785 km (0.116 R)
• M17: 20,341,421 km (0.097 R)
• M18: 21,785,489 km (0.081 R)
• M19: 23,815,383 km (0.109 R)
• M20: 24,235,902 km (0.076 R)
• M21: 29,315,049 km (0.064 R)
• M22: 29,919,724 km (0.042 R)
• M23: 37,130,790 km (0.082 R)
• M24: 43,671,807 km (0.102 R)
• M25: 44,778,532 km (0.119 R)
• M26: 51,288,882 km (0.115 R)
• M27: 52,166,722 km (0.106 R)
• M28: 54,495,662 km (0.028 R)
• M29: 55,962,768 km (0.109 R)
• M30: 56,519,721 km (0.112 R)
• M31: 68,026,191 km (0.04 R)
• M32: 68,448,655 km (0.101 R)
• M33: 74,772,008 km (0.086 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 558 - 11,287 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit