🌌 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: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.2

Radius: 10.1

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.44 AU - 0.6 AU

Year: 259 Days

Day: 11.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,659,697 km

• M1: 125,961 km (0.093 R)
• M2: 591,360 km (0.098 R)
• M3: 974,181 km (0.088 R)
• M4: 1,588,281 km (0.06 R)
• M5: 1,959,433 km (0.03 R)
• M6: 2,348,986 km (0.111 R)
• M7: 2,728,964 km (0.072 R)
• M8: 3,159,507 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.3

Radius: 8.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.2 AU - 1.48 AU

Year: 1071 Days

Day: 8.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,659,697 km

• M1: 110,702 km (0.064 R)
• M2: 405,261 km (0.044 R)
• M3: 768,933 km (0.111 R)
• M4: 1,375,702 km (0.032 R)
• M5: 1,799,662 km (0.088 R)
• M6: 2,439,044 km (0.106 R)
• M7: 2,880,208 km (0.116 R)
• M8: 5,057,156 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.7

Radius: 8.8

Gravity: 9.1 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.31 AU - 2.11 AU

Year: 1543 Days

Day: 6.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,659,697 km

• M1: 109,506 km (0.118 R)
• M2: 638,185 km (0.051 R)
• M3: 1,103,883 km (0.074 R)
• M4: 1,480,570 km (0.101 R)
• M5: 2,432,910 km (0.116 R)
• M6: 2,860,760 km (0.073 R)
• M7: 3,275,894 km (0.101 R)
• M8: 4,510,675 km (0.105 R)
• M9: 8,834,652 km (0.058 R)
• M10: 9,880,640 km (0.112 R)
• M11: 10,179,686 km (0.109 R)
• M12: 11,878,370 km (0.111 R)
• M13: 12,292,906 km (0.092 R)
• M14: 13,594,407 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.8

Radius: 9.1

Gravity: 11.13 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.58 AU - 1.96 AU

Year: 1625 Days

Day: 6.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,659,697 km

• M1: 114,143 km (0.081 R)
• M2: 514,916 km (0.092 R)
• M3: 2,034,232 km (0.077 R)
• M4: 2,716,697 km (0.076 R)
• M5: 4,351,353 km (0.092 R)
• M6: 5,077,053 km (0.096 R)
• M7: 5,832,971 km (0.068 R)
• M8: 6,125,883 km (0.119 R)
• M9: 6,982,331 km (0.095 R)
• M10: 7,340,917 km (0.049 R)
• M11: 7,653,876 km (0.108 R)
• M12: 8,678,172 km (0.084 R)
• M13: 9,060,694 km (0.115 R)
• M14: 9,689,304 km (0.107 R)
• M15: 10,524,509 km (0.072 R)
• M16: 13,276,961 km (0.107 R)
• M17: 15,296,681 km (0.051 R)
• M18: 15,621,010 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.9

Radius: 11.5

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.39 AU - 2.85 AU

Year: 2927 Days

Day: 7.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,659,697 km

• M1: 143,165 km (0.067 R)
• M2: 502,649 km (0.108 R)
• M3: 947,104 km (0.107 R)
• M4: 2,360,654 km (0.075 R)
• M5: 5,939,933 km (0.114 R)
• M6: 6,829,143 km (0.085 R)
• M7: 7,428,581 km (0.077 R)
• M8: 8,433,580 km (0.08 R)
• M9: 10,276,327 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.1

Radius: 10.6

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.47 AU - 5.69 AU

Year: 6766 Days

Day: 15 Hours

Environment

Temp: -232 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 39,659,697 km

• M1: 131,945 km (0.104 R)
• M2: 614,847 km (0.116 R)
• M3: 1,217,427 km (0.09 R)
• M4: 1,656,497 km (0.09 R)
• M5: 2,248,157 km (0.118 R)
• M6: 2,585,201 km (0.064 R)
• M7: 3,094,582 km (0.089 R)
• M8: 3,448,979 km (0.104 R)
• M9: 6,543,261 km (0.066 R)
• M10: 7,456,257 km (0.075 R)
• M11: 8,020,391 km (0.101 R)
• M12: 8,982,006 km (0.037 R)
• M13: 9,319,199 km (0.07 R)
• M14: 9,885,128 km (0.045 R)
• M15: 13,718,873 km (0.113 R)
• M16: 15,329,294 km (0.045 R)
• M17: 15,933,968 km (0.113 R)
• M18: 17,126,413 km (0.12 R)
• M19: 18,444,969 km (0.089 R)
• M20: 18,991,001 km (0.099 R)
• M21: 22,495,929 km (0.054 R)
• M22: 25,982,757 km (0.077 R)
• M23: 28,347,450 km (0.103 R)
• M24: 29,350,653 km (0.056 R)
• M25: 30,001,404 km (0.08 R)
• M26: 31,043,204 km (0.062 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.1

Radius: 9.8

Gravity: 9.48 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 4.15 AU - 5.67 AU

Year: 7510 Days

Day: 11.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 39,659,697 km

• M1: 122,820 km (0.073 R)
• M2: 707,149 km (0.11 R)
• M3: 1,064,688 km (0.077 R)
• M4: 1,639,892 km (0.093 R)
• M5: 2,485,419 km (0.084 R)
• M6: 3,114,029 km (0.06 R)
• M7: 4,403,114 km (0.064 R)
• M8: 7,188,626 km (0.086 R)
• M9: 7,993,912 km (0.094 R)
• M10: 9,083,732 km (0.037 R)
• M11: 9,499,465 km (0.103 R)
• M12: 10,569,239 km (0.078 R)
• M13: 11,133,373 km (0.118 R)
• M14: 11,771,707 km (0.117 R)
• M15: 12,377,877 km (0.11 R)
• M16: 12,774,461 km (0.062 R)
• M17: 13,533,371 km (0.079 R)
• M18: 15,991,115 km (0.111 R)
• M19: 18,001,411 km (0.035 R)
• M20: 18,732,047 km (0.08 R)
• M21: 23,710,814 km (0.073 R)
• M22: 24,059,377 km (0.079 R)
• M23: 27,257,330 km (0.119 R)
• M24: 31,455,795 km (0.109 R)
• M25: 36,066,551 km (0.119 R)
• M26: 38,054,407 km (0.1 R)
• M27: 39,868,132 km (0.04 R)
• M28: 40,237,638 km (0.117 R)
• M29: 41,359,922 km (0.09 R)
• M30: 42,502,999 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 119.5

Radius: 3.2

Gravity: 11.67 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 7.77 AU - 9.83 AU

Year: 18019 Days

Day: 20.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 39,659,697 km

• M1: 40,092 km (0.07 R)
• M2: 422,614 km (0.1 R)
• M3: 540,946 km (0.098 R)
• M4: 666,309 km (0.098 R)
• M5: 1,476,531 km (0.107 R)
• M6: 5,112,058 km (0.086 R)
• M7: 6,739,982 km (0.038 R)
• M8: 6,886,439 km (0.084 R)
• M9: 7,454,611 km (0.05 R)
• M10: 9,255,770 km (0.09 R)
• M11: 9,759,167 km (0.098 R)
• M12: 10,621,898 km (0.118 R)
• M13: 11,071,738 km (0.119 R)
• M14: 12,718,661 km (0.055 R)
• M15: 13,863,683 km (0.113 R)
• M16: 14,220,175 km (0.107 R)
• M17: 14,889,476 km (0.025 R)
• M18: 16,356,433 km (0.063 R)
• M19: 18,339,801 km (0.1 R)
• M20: 18,482,219 km (0.055 R)
• M21: 22,286,941 km (0.084 R)
• M22: 23,105,840 km (0.115 R)
• M23: 23,944,486 km (0.092 R)
• M24: 28,159,256 km (0.088 R)
• M25: 29,699,815 km (0.076 R)
• M26: 30,192,441 km (0.034 R)
• M27: 34,116,243 km (0.114 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 343 - 13,403 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit