🌌 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: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.7

Radius: 11.3

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.6 AU - 0.92 AU

Year: 421 Days

Day: 11.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,813,103 km

• M1: 140,622 km (0.084 R)
• M2: 564,882 km (0.081 R)
• M3: 1,057,208 km (0.092 R)
• M4: 1,517,670 km (0.045 R)
• M5: 1,967,810 km (0.076 R)
• M6: 2,325,948 km (0.117 R)
• M7: 2,748,711 km (0.11 R)
• M8: 3,176,561 km (0.107 R)
• M9: 3,895,529 km (0.065 R)
• M10: 4,481,503 km (0.115 R)
• M11: 4,842,333 km (0.098 R)
• M12: 5,337,203 km (0.091 R)
• M13: 5,989,600 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.1

Radius: 14.3

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.69 AU - 1.01 AU

Year: 498 Days

Day: 5.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,813,103 km

• M1: 178,171 km (0.108 R)
• M2: 769,980 km (0.116 R)
• M3: 1,219,223 km (0.094 R)
• M4: 1,704,518 km (0.095 R)
• M5: 2,168,720 km (0.077 R)
• M6: 2,657,756 km (0.12 R)
• M7: 3,340,969 km (0.052 R)
• M8: 3,807,715 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287

Radius: 13

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.06 AU - 1.44 AU

Year: 889 Days

Day: 14.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,813,103 km

• M1: 161,715 km (0.106 R)
• M2: 632,350 km (0.107 R)
• M3: 1,060,649 km (0.118 R)
• M4: 1,488,798 km (0.105 R)
• M5: 2,078,662 km (0.095 R)
• M6: 2,821,715 km (0.042 R)
• M7: 3,954,470 km (0.08 R)
• M8: 4,478,960 km (0.12 R)
• M9: 5,149,308 km (0.111 R)
• M10: 5,812,775 km (0.076 R)
• M11: 6,552,237 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.4

Radius: 10.7

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.16 AU - 1.44 AU

Year: 942 Days

Day: 9.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,813,103 km

• M1: 147,653 km (0.104 R)
• M2: 486,791 km (0.11 R)
• M3: 965,953 km (0.052 R)
• M4: 1,367,773 km (0.064 R)
• M5: 2,362,599 km (0.064 R)
• M6: 2,785,512 km (0.097 R)
• M7: 3,442,546 km (0.028 R)
• M8: 3,957,013 km (0.049 R)
• M9: 5,274,671 km (0.091 R)
• M10: 7,194,012 km (0.114 R)
• M11: 7,583,116 km (0.036 R)
• M12: 8,430,139 km (0.106 R)
• M13: 9,028,979 km (0.074 R)
• M14: 10,130,169 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.4

Radius: 14.6

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.46 AU - 1.98 AU

Year: 1434 Days

Day: 9.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,813,103 km

• M1: 181,612 km (0.088 R)
• M2: 745,596 km (0.089 R)
• M3: 2,090,032 km (0.098 R)
• M4: 3,640,015 km (0.099 R)
• M5: 4,437,671 km (0.081 R)
• M6: 5,406,766 km (0.098 R)
• M7: 6,800,719 km (0.061 R)
• M8: 8,448,689 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.3

Radius: 12.9

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 4.04 AU - 6.02 AU

Year: 7173 Days

Day: 13.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 44,813,103 km

• M1: 160,519 km (0.064 R)
• M2: 605,871 km (0.083 R)
• M3: 1,362,089 km (0.055 R)
• M4: 2,250,251 km (0.116 R)
• M5: 3,230,865 km (0.114 R)
• M6: 3,916,023 km (0.086 R)
• M7: 4,864,025 km (0.06 R)
• M8: 5,862,441 km (0.077 R)
• M9: 6,427,921 km (0.039 R)
• M10: 9,458,325 km (0.037 R)
• M11: 12,135,379 km (0.053 R)
• M12: 13,111,805 km (0.112 R)
• M13: 14,673,606 km (0.102 R)
• M14: 15,220,835 km (0.09 R)
• M15: 16,099,124 km (0.092 R)
• M16: 17,683,067 km (0.116 R)
• M17: 18,094,760 km (0.051 R)
• M18: 20,101,765 km (0.075 R)
• M19: 20,853,195 km (0.032 R)
• M20: 21,390,252 km (0.114 R)
• M21: 23,384,391 km (0.099 R)
• M22: 25,412,489 km (0.059 R)
• M23: 26,202,516 km (0.054 R)
• M24: 27,190,161 km (0.088 R)
• M25: 28,859,823 km (0.067 R)
• M26: 31,290,639 km (0.107 R)
• M27: 33,960,512 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.8

Radius: 11

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 4.36 AU - 6.62 AU

Year: 8179 Days

Day: 9.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 44,813,103 km

• M1: 141,370 km (0.078 R)
• M2: 593,305 km (0.096 R)
• M3: 1,035,816 km (0.096 R)
• M4: 2,152,564 km (0.073 R)
• M5: 2,607,640 km (0.11 R)
• M6: 2,953,361 km (0.116 R)
• M7: 3,446,735 km (0.086 R)
• M8: 4,020,892 km (0.079 R)
• M9: 4,457,119 km (0.104 R)
• M10: 5,721,371 km (0.071 R)
• M11: 6,601,604 km (0.104 R)
• M12: 9,453,089 km (0.111 R)
• M13: 9,835,162 km (0.094 R)
• M14: 11,254,846 km (0.09 R)
• M15: 13,755,075 km (0.113 R)
• M16: 14,308,737 km (0.041 R)
• M17: 18,240,768 km (0.067 R)
• M18: 19,135,812 km (0.109 R)
• M19: 21,094,347 km (0.038 R)
• M20: 24,590,150 km (0.043 R)
• M21: 25,314,503 km (0.058 R)
• M22: 26,996,731 km (0.103 R)
• M23: 33,914,735 km (0.073 R)
• M24: 34,473,932 km (0.063 R)
• M25: 35,267,100 km (0.098 R)
• M26: 37,125,853 km (0.071 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 491 - 19,797 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit