🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.8

Radius: 10.7

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.51 AU - 0.51 AU

Year: 256 Days

Day: 7.6 Hours

Environment

Temp: -134 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 56,416,419 km

• M1: 133,142 km (0.083 R)
• M2: 481,256 km (0.091 R)
• M3: 1,100,292 km (0.104 R)
• M4: 1,579,454 km (0.072 R)
• M5: 2,045,900 km (0.11 R)
• M6: 2,385,039 km (0.056 R)
• M7: 3,361,315 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.6

Radius: 11.2

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.76 AU - 1.14 AU

Year: 651 Days

Day: 12.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,416,419 km

• M1: 139,724 km (0.094 R)
• M2: 588,518 km (0.116 R)
• M3: 1,532,630 km (0.114 R)
• M4: 2,083,599 km (0.117 R)
• M5: 2,556,628 km (0.072 R)
• M6: 2,918,206 km (0.098 R)
• M7: 3,337,080 km (0.111 R)
• M8: 3,808,762 km (0.063 R)
• M9: 4,962,461 km (0.087 R)
• M10: 5,320,149 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.5

Radius: 13.4

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.29 AU - 1.73 AU

Year: 1304 Days

Day: 13.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,416,419 km

• M1: 166,802 km (0.085 R)
• M2: 743,202 km (0.095 R)
• M3: 1,233,135 km (0.119 R)
• M4: 1,723,517 km (0.029 R)
• M5: 2,252,046 km (0.047 R)
• M6: 3,832,249 km (0.093 R)
• M7: 4,727,742 km (0.027 R)
• M8: 5,680,082 km (0.098 R)
• M9: 6,119,899 km (0.062 R)
• M10: 8,112,693 km (0.107 R)
• M11: 8,908,553 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.5

Radius: 13.7

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 4.38 AU - 5.7 AU

Year: 7953 Days

Day: 8 Hours

Environment

Temp: -234 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 56,416,419 km

• M1: 171,738 km (0.097 R)
• M2: 631,153 km (0.11 R)
• M3: 1,185,713 km (0.117 R)
• M4: 1,746,705 km (0.112 R)
• M5: 2,320,861 km (0.051 R)
• M6: 2,812,440 km (0.106 R)
• M7: 4,782,794 km (0.115 R)
• M8: 5,236,524 km (0.111 R)
• M9: 6,231,649 km (0.111 R)
• M10: 6,924,885 km (0.101 R)
• M11: 7,628,444 km (0.025 R)
• M12: 9,644,724 km (0.106 R)
• M13: 10,523,313 km (0.088 R)
• M14: 13,069,468 km (0.084 R)
• M15: 13,840,945 km (0.106 R)
• M16: 14,831,731 km (0.076 R)
• M17: 15,539,928 km (0.091 R)
• M18: 16,885,560 km (0.086 R)
• M19: 17,586,726 km (0.102 R)
• M20: 20,195,114 km (0.116 R)
• M21: 21,796,410 km (0.098 R)
• M22: 22,712,398 km (0.09 R)
• M23: 23,308,545 km (0.084 R)
• M24: 30,574,065 km (0.055 R)
• M25: 34,660,929 km (0.101 R)
• M26: 37,422,057 km (0.066 R)
• M27: 40,700,045 km (0.115 R)
• M28: 42,344,575 km (0.081 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 330.6

Radius: 7.4

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 6.29 AU - 7.19 AU

Year: 12300 Days

Day: 15 Hours

Environment

Temp: -227 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 56,416,419 km

• M1: 97,089 km (0.12 R)
• M2: 356,043 km (0.117 R)
• M3: 806,183 km (0.114 R)
• M4: 1,037,461 km (0.078 R)
• M5: 1,799,812 km (0.092 R)
• M6: 2,101,551 km (0.093 R)
• M7: 2,666,582 km (0.091 R)
• M8: 3,305,814 km (0.103 R)
• M9: 3,990,673 km (0.067 R)
• M10: 4,366,911 km (0.038 R)
• M11: 4,885,118 km (0.063 R)
• M12: 5,347,675 km (0.103 R)
• M13: 5,705,064 km (0.088 R)
• M14: 12,644,162 km (0.053 R)
• M15: 13,515,569 km (0.027 R)
• M16: 15,119,707 km (0.114 R)
• M17: 17,758,165 km (0.059 R)
• M18: 20,609,799 km (0.096 R)
• M19: 23,066,196 km (0.103 R)
• M20: 24,630,093 km (0.066 R)
• M21: 24,987,033 km (0.107 R)
• M22: 26,635,901 km (0.101 R)
• M23: 29,543,335 km (0.104 R)
• M24: 31,594,921 km (0.085 R)
• M25: 32,762,831 km (0.104 R)
• M26: 34,401,526 km (0.108 R)
• M27: 35,523,959 km (0.064 R)
• M28: 38,316,951 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 242.1

Radius: 7.8

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 6.62 AU - 7.36 AU

Year: 12990 Days

Day: 19.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,416,419 km

• M1: 96,939 km (0.103 R)
• M2: 404,662 km (0.068 R)
• M3: 1,543,551 km (0.108 R)
• M4: 2,558,872 km (0.093 R)
• M5: 2,871,082 km (0.051 R)
• M6: 7,749,020 km (0.119 R)
• M7: 10,257,627 km (0.06 R)
• M8: 11,933,871 km (0.097 R)
• M9: 13,551,024 km (0.099 R)
• M10: 14,747,956 km (0.111 R)
• M11: 16,807,470 km (0.058 R)
• M12: 21,886,318 km (0.101 R)
• M13: 23,953,761 km (0.119 R)
• M14: 24,990,773 km (0.09 R)
• M15: 29,341,977 km (0.045 R)
• M16: 34,606,924 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 202.7

Radius: 4.5

Gravity: 10.01 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 9.06 AU - 11.68 AU

Year: 23473 Days

Day: 20 Hours

Environment

Temp: -242 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 56,416,419 km

• M1: 56,099 km (0.113 R)
• M2: 249,978 km (0.074 R)
• M3: 442,511 km (0.116 R)
• M4: 656,136 km (0.116 R)
• M5: 926,011 km (0.089 R)
• M6: 1,081,293 km (0.099 R)
• M7: 1,751,342 km (0.114 R)
• M8: 4,026,277 km (0.094 R)
• M9: 4,955,878 km (0.12 R)
• M10: 5,907,470 km (0.116 R)
• M11: 6,605,793 km (0.104 R)
• M12: 7,100,962 km (0.069 R)
• M13: 8,118,676 km (0.111 R)
• M14: 8,352,049 km (0.088 R)
• M15: 8,783,639 km (0.091 R)
• M16: 9,129,360 km (0.118 R)
• M17: 10,275,279 km (0.08 R)
• M18: 10,714,798 km (0.099 R)
• M19: 13,684,166 km (0.097 R)
• M20: 14,555,274 km (0.097 R)
• M21: 16,112,439 km (0.115 R)
• M22: 17,007,034 km (0.043 R)
• M23: 17,699,373 km (0.081 R)
• M24: 18,894,809 km (0.079 R)
• M25: 19,889,037 km (0.098 R)
• M26: 21,268,180 km (0.044 R)
• M27: 35,530,541 km (0.109 R)
• M28: 38,726,550 km (0.095 R)
• M29: 44,086,492 km (0.1 R)
• M30: 47,017,564 km (0.119 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 198 - 18,088 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit