🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783

Radius: 14.4

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.04 AU - 1.38 AU

Year: 903 Days

Day: 14.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,269,755 km

• M1: 179,069 km (0.07 R)
• M2: 676,781 km (0.094 R)
• M3: 1,227,451 km (0.084 R)
• M4: 2,072,230 km (0.105 R)
• M5: 2,825,006 km (0.087 R)
• M6: 3,548,013 km (0.082 R)
• M7: 4,161,065 km (0.087 R)
• M8: 4,666,556 km (0.085 R)
• M9: 5,213,336 km (0.105 R)
• M10: 5,802,602 km (0.12 R)
• M11: 6,305,999 km (0.049 R)
• M12: 7,257,442 km (0.088 R)
• M13: 7,793,002 km (0.059 R)
• M14: 8,998,611 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.5

Radius: 14.8

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.15 AU - 1.55 AU

Year: 1064 Days

Day: 13.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,269,755 km

• M1: 189,690 km (0.113 R)
• M2: 764,744 km (0.08 R)
• M3: 1,402,181 km (0.051 R)
• M4: 2,054,577 km (0.116 R)
• M5: 2,997,642 km (0.102 R)
• M6: 3,681,604 km (0.099 R)
• M7: 6,052,730 km (0.092 R)
• M8: 6,536,679 km (0.085 R)
• M9: 7,088,546 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.7

Radius: 11

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.28 AU - 1.44 AU

Year: 1076 Days

Day: 11.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,269,755 km

• M1: 137,780 km (0.116 R)
• M2: 704,606 km (0.11 R)
• M3: 1,093,261 km (0.109 R)
• M4: 2,400,298 km (0.095 R)
• M5: 3,430,728 km (0.095 R)
• M6: 4,307,521 km (0.096 R)
• M7: 4,826,775 km (0.104 R)
• M8: 7,866,454 km (0.097 R)
• M9: 8,262,440 km (0.082 R)
• M10: 9,209,843 km (0.071 R)
• M11: 9,680,029 km (0.111 R)
• M12: 10,321,505 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.5

Radius: 12.8

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.34 AU - 1.64 AU

Year: 1234 Days

Day: 9.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,269,755 km

• M1: 159,172 km (0.076 R)
• M2: 592,856 km (0.073 R)
• M3: 1,083,837 km (0.059 R)
• M4: 1,543,102 km (0.099 R)
• M5: 1,972,897 km (0.063 R)
• M6: 2,495,741 km (0.092 R)
• M7: 3,287,114 km (0.114 R)
• M8: 4,045,874 km (0.111 R)
• M9: 4,742,253 km (0.09 R)
• M10: 5,431,599 km (0.093 R)
• M11: 7,138,362 km (0.085 R)
• M12: 8,878,185 km (0.099 R)
• M13: 9,579,051 km (0.098 R)
• M14: 10,185,670 km (0.119 R)
• M15: 10,783,763 km (0.116 R)
• M16: 11,265,019 km (0.117 R)
• M17: 12,160,213 km (0.045 R)
• M18: 12,757,706 km (0.074 R)

Asteroid Belt

Center: 1.97 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.7

Radius: 9.5

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.27 AU - 2.63 AU

Year: 2601 Days

Day: 6.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,269,755 km

• M1: 118,182 km (0.099 R)
• M2: 795,262 km (0.104 R)
• M3: 2,426,328 km (0.098 R)
• M4: 3,197,355 km (0.081 R)
• M5: 3,632,386 km (0.116 R)
• M6: 4,156,427 km (0.088 R)
• M7: 4,657,730 km (0.054 R)
• M8: 5,355,454 km (0.107 R)
• M9: 5,760,715 km (0.116 R)
• M10: 6,340,407 km (0.074 R)
• M11: 8,886,562 km (0.087 R)
• M12: 9,253,825 km (0.1 R)
• M13: 10,447,915 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.5

Radius: 10.1

Gravity: 8.54 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.08 AU - 3.44 AU

Year: 3992 Days

Day: 11.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 43,269,755 km

• M1: 125,662 km (0.094 R)
• M2: 480,209 km (0.081 R)
• M3: 1,142,329 km (0.089 R)
• M4: 1,500,018 km (0.096 R)
• M5: 1,827,338 km (0.064 R)
• M6: 2,247,409 km (0.1 R)
• M7: 2,629,482 km (0.059 R)
• M8: 3,168,184 km (0.11 R)
• M9: 3,505,228 km (0.096 R)
• M10: 3,844,366 km (0.117 R)
• M11: 4,299,293 km (0.075 R)
• M12: 4,739,111 km (0.095 R)
• M13: 5,101,886 km (0.097 R)
• M14: 6,520,373 km (0.116 R)
• M15: 12,287,072 km (0.12 R)
• M16: 13,790,979 km (0.104 R)
• M17: 14,158,840 km (0.093 R)
• M18: 15,982,289 km (0.092 R)
• M19: 16,980,406 km (0.086 R)
• M20: 17,709,546 km (0.104 R)
• M21: 20,836,590 km (0.116 R)
• M22: 21,531,622 km (0.091 R)
• M23: 21,955,881 km (0.101 R)
• M24: 24,851,497 km (0.026 R)
• M25: 27,992,454 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.9

Radius: 10.1

Gravity: 9.11 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.9 AU - 6.4 AU

Year: 7927 Days

Day: 8 Hours

Environment

Temp: -215 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 43,269,755 km

• M1: 126,410 km (0.088 R)
• M2: 825,182 km (0.117 R)
• M3: 1,277,267 km (0.057 R)
• M4: 1,638,545 km (0.101 R)
• M5: 2,018,973 km (0.07 R)
• M6: 2,612,278 km (0.053 R)
• M7: 3,907,496 km (0.072 R)
• M8: 4,227,636 km (0.089 R)
• M9: 5,961,774 km (0.099 R)
• M10: 8,212,474 km (0.082 R)
• M11: 9,151,650 km (0.101 R)
• M12: 11,083,407 km (0.034 R)
• M13: 11,894,078 km (0.086 R)
• M14: 14,374,710 km (0.12 R)
• M15: 20,097,277 km (0.109 R)
• M16: 20,413,826 km (0.109 R)
• M17: 21,879,885 km (0.096 R)
• M18: 24,657,469 km (0.101 R)
• M19: 31,218,682 km (0.099 R)
• M20: 32,832,245 km (0.112 R)
• M21: 41,613,041 km (0.108 R)
• M22: 45,171,077 km (0.103 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.4

Radius: 13.8

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 5.41 AU - 5.47 AU

Year: 8606 Days

Day: 8 Hours

Environment

Temp: -224 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 43,269,755 km

• M1: 172,038 km (0.109 R)
• M2: 702,811 km (0.08 R)
• M3: 1,201,121 km (0.117 R)
• M4: 1,821,055 km (0.113 R)
• M5: 2,971,463 km (0.076 R)
• M6: 4,849,065 km (0.071 R)
• M7: 8,888,806 km (0.097 R)
• M8: 10,999,632 km (0.082 R)
• M9: 11,682,696 km (0.098 R)
• M10: 15,466,924 km (0.076 R)
• M11: 16,731,624 km (0.111 R)
• M12: 19,924,043 km (0.119 R)
• M13: 20,623,862 km (0.078 R)
• M14: 21,501,403 km (0.11 R)
• M15: 23,588,443 km (0.118 R)
• M16: 26,082,688 km (0.034 R)
• M17: 27,298,619 km (0.101 R)
• M18: 30,554,468 km (0.068 R)
• M19: 32,435,511 km (0.103 R)
• M20: 33,404,457 km (0.114 R)
• M21: 38,302,141 km (0.097 R)
• M22: 40,240,630 km (0.116 R)
• M23: 41,610,648 km (0.081 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 486 - 14,491 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit