🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.1

Radius: 9.4

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.59 AU - 0.91 AU

Year: 433 Days

Day: 13.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 92,712,585 km

• M1: 116,986 km (0.119 R)
• M2: 589,116 km (0.049 R)
• M3: 1,009,935 km (0.101 R)
• M4: 1,354,310 km (0.086 R)
• M5: 1,697,637 km (0.118 R)
• M6: 2,024,508 km (0.095 R)
• M7: 2,469,262 km (0.092 R)
• M8: 2,770,253 km (0.094 R)
• M9: 3,096,078 km (0.069 R)
• M10: 3,588,703 km (0.1 R)
• M11: 4,000,845 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.1

Radius: 14.6

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.04 AU - 1.28 AU

Year: 833 Days

Day: 7.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 92,712,585 km

• M1: 181,612 km (0.049 R)
• M2: 757,564 km (0.076 R)
• M3: 1,225,356 km (0.055 R)
• M4: 1,895,704 km (0.054 R)
• M5: 2,458,791 km (0.066 R)
• M6: 3,261,832 km (0.038 R)
• M7: 4,738,213 km (0.03 R)
• M8: 6,026,401 km (0.117 R)
• M9: 6,581,708 km (0.091 R)
• M10: 7,193,563 km (0.098 R)
• M11: 7,748,123 km (0.112 R)
• M12: 8,481,601 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.8

Radius: 12.1

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.4 AU - 1.66 AU

Year: 1262 Days

Day: 10.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 92,712,585 km

• M1: 150,495 km (0.052 R)
• M2: 547,678 km (0.086 R)
• M3: 1,035,516 km (0.107 R)
• M4: 2,351,978 km (0.119 R)
• M5: 2,853,729 km (0.112 R)
• M6: 3,512,259 km (0.095 R)
• M7: 3,917,071 km (0.083 R)
• M8: 5,190,298 km (0.083 R)
• M9: 5,963,869 km (0.09 R)
• M10: 6,411,316 km (0.082 R)
• M11: 6,812,687 km (0.061 R)
• M12: 7,254,749 km (0.119 R)
• M13: 7,991,668 km (0.069 R)
• M14: 8,750,727 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.8

Radius: 13.2

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.32 AU - 3.72 AU

Year: 3500 Days

Day: 7 Hours

Environment

Temp: -218 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 92,712,585 km

• M1: 164,109 km (0.072 R)
• M2: 603,927 km (0.078 R)
• M3: 1,060,948 km (0.113 R)
• M4: 1,715,888 km (0.103 R)
• M5: 2,806,456 km (0.068 R)
• M6: 4,038,843 km (0.087 R)
• M7: 5,389,413 km (0.086 R)
• M8: 6,002,166 km (0.066 R)
• M9: 7,815,292 km (0.039 R)
• M10: 8,964,353 km (0.092 R)
• M11: 10,480,976 km (0.118 R)
• M12: 11,086,848 km (0.104 R)
• M13: 11,917,565 km (0.092 R)
• M14: 12,704,599 km (0.105 R)
• M15: 14,244,859 km (0.087 R)
• M16: 14,660,292 km (0.047 R)
• M17: 15,274,840 km (0.106 R)
• M18: 15,759,088 km (0.099 R)
• M19: 16,707,539 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448

Radius: 11.3

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.95 AU - 3.29 AU

Year: 3675 Days

Day: 13.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 92,712,585 km

• M1: 140,622 km (0.082 R)
• M2: 895,792 km (0.112 R)
• M3: 1,258,866 km (0.071 R)
• M4: 1,910,215 km (0.113 R)
• M5: 2,356,316 km (0.092 R)
• M6: 2,807,204 km (0.103 R)
• M7: 4,026,576 km (0.099 R)
• M8: 4,813,311 km (0.082 R)
• M9: 5,367,721 km (0.048 R)
• M10: 6,518,578 km (0.096 R)
• M11: 8,155,178 km (0.065 R)
• M12: 8,944,606 km (0.12 R)
• M13: 9,523,400 km (0.095 R)
• M14: 10,011,837 km (0.098 R)
• M15: 10,998,286 km (0.106 R)
• M16: 12,178,613 km (0.09 R)
• M17: 14,592,076 km (0.111 R)
• M18: 15,040,121 km (0.079 R)
• M19: 17,642,077 km (0.113 R)
• M20: 18,265,002 km (0.06 R)
• M21: 19,197,296 km (0.036 R)
• M22: 20,406,945 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.3

Radius: 14.6

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 5.07 AU - 5.15 AU

Year: 7703 Days

Day: 13.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 92,712,585 km

• M1: 181,612 km (0.077 R)
• M2: 813,064 km (0.08 R)
• M3: 1,670,410 km (0.077 R)
• M4: 2,775,041 km (0.114 R)
• M5: 5,073,313 km (0.078 R)
• M6: 8,179,114 km (0.097 R)
• M7: 10,540,965 km (0.087 R)
• M8: 11,027,158 km (0.089 R)
• M9: 13,843,787 km (0.1 R)
• M10: 14,535,677 km (0.113 R)
• M11: 18,283,852 km (0.108 R)
• M12: 19,642,500 km (0.114 R)
• M13: 21,912,348 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.4

Radius: 12.3

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 4.85 AU - 6.51 AU

Year: 9027 Days

Day: 12.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 92,712,585 km

• M1: 158,574 km (0.11 R)
• M2: 625,768 km (0.085 R)
• M3: 1,048,831 km (0.066 R)
• M4: 1,481,169 km (0.095 R)
• M5: 1,891,216 km (0.072 R)
• M6: 2,969,667 km (0.088 R)
• M7: 4,040,190 km (0.036 R)
• M8: 4,679,122 km (0.103 R)
• M9: 6,159,543 km (0.087 R)
• M10: 7,280,779 km (0.112 R)
• M11: 8,358,631 km (0.109 R)
• M12: 9,445,310 km (0.101 R)
• M13: 10,320,608 km (0.108 R)
• M14: 14,245,008 km (0.077 R)
• M15: 14,812,882 km (0.083 R)
• M16: 15,395,715 km (0.083 R)
• M17: 16,061,276 km (0.079 R)
• M18: 16,676,572 km (0.097 R)
• M19: 18,100,295 km (0.086 R)
• M20: 19,296,330 km (0.094 R)
• M21: 27,603,650 km (0.091 R)
• M22: 28,387,842 km (0.049 R)
• M23: 31,461,779 km (0.082 R)
• M24: 36,128,634 km (0.115 R)
• M25: 41,492,316 km (0.111 R)
• M26: 43,567,687 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 935.9

Radius: 6.9

Gravity: 19.66 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 8.78 AU - 12.42 AU

Year: 23014 Days

Day: 20.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 172.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 92,712,585 km

• M1: 85,869 km (0.057 R)
• M2: 356,641 km (0.088 R)
• M3: 608,265 km (0.12 R)
• M4: 943,663 km (0.106 R)
• M5: 1,481,617 km (0.119 R)
• M6: 1,848,880 km (0.101 R)
• M7: 2,321,609 km (0.109 R)
• M8: 3,568,208 km (0.068 R)
• M9: 3,823,572 km (0.113 R)
• M10: 5,665,271 km (0.101 R)
• M11: 8,753,570 km (0.102 R)
• M12: 9,580,397 km (0.081 R)
• M13: 11,594,882 km (0.034 R)
• M14: 13,109,860 km (0.1 R)
• M15: 15,162,791 km (0.116 R)
• M16: 20,597,532 km (0.083 R)
• M17: 21,736,870 km (0.074 R)
• M18: 25,877,290 km (0.099 R)
• M19: 28,446,484 km (0.063 R)
• M20: 28,826,911 km (0.116 R)
• M21: 34,371,308 km (0.077 R)
• M22: 49,860,522 km (0.103 R)
• M23: 70,116,971 km (0.036 R)
• M24: 78,006,463 km (0.103 R)
• M25: 78,751,760 km (0.097 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 222 - 20,023 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit