🌌 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: 468

Radius: 14.9

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.55 AU - 0.55 AU

Year: 287 Days

Day: 14.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 49,722,997 km

• M1: 185,352 km (0.113 R)
• M2: 662,120 km (0.113 R)
• M3: 1,288,786 km (0.097 R)
• M4: 1,846,487 km (0.095 R)
• M5: 2,451,610 km (0.076 R)
• M6: 3,316,136 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.3

Radius: 8.6

Gravity: 12.2 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.6 AU - 0.64 AU

Year: 343 Days

Day: 14.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,722,997 km

• M1: 106,962 km (0.04 R)
• M2: 417,528 km (0.097 R)
• M3: 731,534 km (0.084 R)
• M4: 1,136,046 km (0.084 R)
• M5: 1,810,433 km (0.106 R)
• M6: 2,241,275 km (0.079 R)
• M7: 2,872,279 km (0.061 R)
• M8: 3,140,359 km (0.088 R)
• M9: 3,568,208 km (0.117 R)
• M10: 3,969,131 km (0.116 R)
• M11: 4,316,796 km (0.111 R)
• M12: 4,699,168 km (0.072 R)
• M13: 5,515,973 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.5

Radius: 8.6

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.88 AU - 0.98 AU

Year: 630 Days

Day: 14.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,722,997 km

• M1: 107,860 km (0.046 R)
• M2: 412,741 km (0.112 R)
• M3: 752,328 km (0.116 R)
• M4: 1,114,654 km (0.081 R)
• M5: 1,482,515 km (0.101 R)
• M6: 2,012,241 km (0.098 R)
• M7: 2,344,647 km (0.116 R)
• M8: 2,612,876 km (0.093 R)
• M9: 2,933,913 km (0.1 R)
• M10: 3,246,573 km (0.079 R)
• M11: 3,795,896 km (0.038 R)
• M12: 4,593,702 km (0.06 R)
• M13: 4,970,240 km (0.068 R)
• M14: 5,837,309 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.4

Radius: 11.7

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.95 AU - 1.37 AU

Year: 878 Days

Day: 11.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,722,997 km

• M1: 145,559 km (0.12 R)
• M2: 538,552 km (0.044 R)
• M3: 999,164 km (0.109 R)
• M4: 1,614,460 km (0.066 R)
• M5: 2,140,297 km (0.06 R)
• M6: 2,621,703 km (0.091 R)
• M7: 3,026,515 km (0.099 R)
• M8: 3,790,660 km (0.083 R)
• M9: 4,695,728 km (0.099 R)
• M10: 6,067,241 km (0.083 R)
• M11: 6,910,075 km (0.034 R)
• M12: 7,689,929 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.8

Radius: 11.9

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.71 AU - 4.53 AU

Year: 5878 Days

Day: 12.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,722,997 km

• M1: 147,952 km (0.091 R)
• M2: 757,115 km (0.1 R)
• M3: 1,147,416 km (0.066 R)
• M4: 2,157,351 km (0.078 R)
• M5: 2,730,012 km (0.069 R)
• M6: 3,824,320 km (0.108 R)
• M7: 5,691,900 km (0.085 R)
• M8: 6,257,380 km (0.09 R)
• M9: 13,056,304 km (0.087 R)
• M10: 14,783,860 km (0.087 R)
• M11: 16,722,200 km (0.057 R)
• M12: 20,224,735 km (0.103 R)
• M13: 25,673,687 km (0.094 R)
• M14: 28,013,847 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681

Radius: 14.2

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.41 AU - 4.95 AU

Year: 6007 Days

Day: 13.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 49,722,997 km

• M1: 176,675 km (0.064 R)
• M2: 1,156,990 km (0.106 R)
• M3: 1,878,949 km (0.1 R)
• M4: 2,528,952 km (0.109 R)
• M5: 4,286,129 km (0.119 R)
• M6: 4,804,635 km (0.094 R)
• M7: 5,452,842 km (0.093 R)
• M8: 6,031,786 km (0.102 R)
• M9: 6,959,891 km (0.057 R)
• M10: 7,754,406 km (0.048 R)
• M11: 8,488,482 km (0.098 R)
• M12: 9,395,943 km (0.089 R)
• M13: 10,830,437 km (0.078 R)
• M14: 12,049,211 km (0.111 R)
• M15: 12,981,954 km (0.116 R)
• M16: 13,520,656 km (0.107 R)
• M17: 18,183,172 km (0.087 R)
• M18: 19,973,410 km (0.044 R)
• M19: 21,428,549 km (0.073 R)
• M20: 23,109,580 km (0.069 R)
• M21: 24,876,929 km (0.087 R)
• M22: 25,457,818 km (0.086 R)
• M23: 25,962,860 km (0.097 R)
• M24: 29,135,083 km (0.116 R)
• M25: 30,060,196 km (0.108 R)
• M26: 31,100,350 km (0.09 R)
• M27: 33,856,242 km (0.106 R)

Asteroid Belt

Center: 5.33 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 137

Radius: 4.9

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 5.59 AU - 7.37 AU

Year: 11595 Days

Day: 24.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,722,997 km

• M1: 192,233 km (0.095 R)
• M2: 1,007,691 km (0.09 R)
• M3: 1,180,626 km (0.042 R)
• M4: 1,513,631 km (0.111 R)
• M5: 3,027,412 km (0.093 R)
• M6: 8,579,737 km (0.106 R)
• M7: 12,471,825 km (0.098 R)
• M8: 13,776,318 km (0.112 R)
• M9: 17,908,062 km (0.114 R)
• M10: 18,492,840 km (0.062 R)
• M11: 24,657,469 km (0.118 R)
• M12: 25,299,842 km (0.094 R)
• M13: 29,659,124 km (0.07 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 168.5

Radius: 7.1

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 7.58 AU - 7.86 AU

Year: 15078 Days

Day: 16.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 140.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,722,997 km

• M1: 139,276 km (0.102 R)
• M2: 398,828 km (0.101 R)
• M3: 711,338 km (0.071 R)
• M4: 2,084,198 km (0.045 R)
• M5: 5,162,772 km (0.084 R)
• M6: 5,822,499 km (0.107 R)
• M7: 6,431,661 km (0.118 R)
• M8: 7,936,317 km (0.049 R)
• M9: 10,465,867 km (0.087 R)
• M10: 23,358,810 km (0.118 R)
• M11: 27,585,698 km (0.09 R)
• M12: 31,273,285 km (0.102 R)
• M13: 34,948,905 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 329.9

Radius: 5.9

Gravity: 9.48 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 7.74 AU - 7.8 AU

Year: 15224 Days

Day: 19.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 49,722,997 km

• M1: 73,453 km (0.085 R)
• M2: 362,924 km (0.068 R)
• M3: 1,234,930 km (0.088 R)
• M4: 1,939,985 km (0.049 R)
• M5: 2,238,732 km (0.109 R)
• M6: 2,819,321 km (0.117 R)
• M7: 3,495,205 km (0.102 R)
• M8: 3,911,685 km (0.096 R)
• M9: 4,132,043 km (0.105 R)
• M10: 4,937,627 km (0.102 R)
• M11: 5,261,058 km (0.112 R)
• M12: 5,667,815 km (0.047 R)
• M13: 6,429,716 km (0.113 R)
• M14: 6,855,023 km (0.091 R)
• M15: 13,458,273 km (0.052 R)
• M16: 15,892,380 km (0.099 R)
• M17: 16,957,667 km (0.096 R)
• M18: 18,605,038 km (0.088 R)
• M19: 23,184,528 km (0.046 R)
• M20: 26,655,199 km (0.091 R)
• M21: 27,548,897 km (0.096 R)
• M22: 27,952,362 km (0.091 R)
• M23: 30,888,370 km (0.093 R)
• M24: 33,334,744 km (0.092 R)
• M25: 40,267,558 km (0.059 R)
• M26: 42,239,707 km (0.066 R)
• M27: 47,377,795 km (0.115 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 469 - 11,190 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit