🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.2

Radius: 8.1

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.06 AU - 1.12 AU

Year: 747 Days

Day: 7.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 26,644,280 km

• M1: 101,727 km (0.107 R)
• M2: 364,420 km (0.096 R)
• M3: 638,035 km (0.106 R)
• M4: 938,577 km (0.105 R)
• M5: 1,244,505 km (0.105 R)
• M6: 1,632,113 km (0.066 R)
• M7: 1,922,632 km (0.099 R)
• M8: 2,974,454 km (0.089 R)
• M9: 3,298,483 km (0.046 R)
• M10: 3,566,563 km (0.111 R)
• M11: 4,308,867 km (0.116 R)
• M12: 4,693,184 km (0.032 R)
• M13: 5,133,601 km (0.1 R)
• M14: 6,116,159 km (0.105 R)
• M15: 6,742,675 km (0.049 R)
• M16: 7,029,903 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.7

Radius: 8.5

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.22 AU - 1.32 AU

Year: 939 Days

Day: 6.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 26,644,280 km

• M1: 106,514 km (0.083 R)
• M2: 392,694 km (0.083 R)
• M3: 897,138 km (0.114 R)
• M4: 1,288,935 km (0.107 R)
• M5: 1,606,083 km (0.103 R)
• M6: 2,910,277 km (0.1 R)
• M7: 4,024,632 km (0.108 R)
• M8: 4,613,150 km (0.118 R)
• M9: 5,638,942 km (0.08 R)
• M10: 6,156,102 km (0.086 R)
• M11: 7,023,171 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.4

Radius: 14.2

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.4 AU - 2 AU

Year: 1454 Days

Day: 14.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 26,644,280 km

• M1: 178,321 km (0.035 R)
• M2: 879,187 km (0.116 R)
• M3: 1,434,045 km (0.057 R)
• M4: 2,388,629 km (0.083 R)
• M5: 4,248,280 km (0.044 R)
• M6: 6,027,747 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.7

Radius: 13.2

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.25 AU - 2.49 AU

Year: 2393 Days

Day: 6.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 26,644,280 km

• M1: 164,109 km (0.073 R)
• M2: 712,535 km (0.058 R)
• M3: 1,974,991 km (0.115 R)
• M4: 2,535,983 km (0.083 R)
• M5: 2,952,912 km (0.116 R)
• M6: 3,781,385 km (0.1 R)
• M7: 4,270,570 km (0.116 R)
• M8: 5,062,093 km (0.114 R)
• M9: 5,563,545 km (0.12 R)
• M10: 6,173,904 km (0.078 R)
• M11: 6,720,684 km (0.107 R)
• M12: 7,587,006 km (0.036 R)
• M13: 8,877,886 km (0.036 R)
• M14: 10,710,011 km (0.092 R)
• M15: 11,734,756 km (0.098 R)
• M16: 12,699,513 km (0.109 R)
• M17: 13,329,021 km (0.118 R)
• M18: 14,200,578 km (0.067 R)
• M19: 15,673,818 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.8

Radius: 9.8

Gravity: 9.82 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.7 AU - 4.02 AU

Year: 4040 Days

Day: 11.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 26,644,280 km

• M1: 121,922 km (0.088 R)
• M2: 430,842 km (0.108 R)
• M3: 829,670 km (0.064 R)
• M4: 1,664,426 km (0.066 R)
• M5: 1,992,943 km (0.086 R)
• M6: 2,477,640 km (0.08 R)
• M7: 3,311,050 km (0.1 R)
• M8: 3,881,317 km (0.088 R)
• M9: 5,467,653 km (0.12 R)
• M10: 6,327,242 km (0.07 R)
• M11: 6,871,778 km (0.027 R)
• M12: 7,377,718 km (0.093 R)
• M13: 7,944,694 km (0.087 R)
• M14: 9,696,036 km (0.112 R)
• M15: 11,043,315 km (0.038 R)
• M16: 13,369,562 km (0.098 R)
• M17: 15,830,596 km (0.088 R)
• M18: 16,238,849 km (0.112 R)
• M19: 17,382,525 km (0.101 R)
• M20: 18,514,681 km (0.095 R)
• M21: 21,916,986 km (0.065 R)
• M22: 25,635,091 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.9

Radius: 12.1

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.66 AU - 4.92 AU

Year: 5829 Days

Day: 5.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 26,644,280 km

• M1: 152,141 km (0.105 R)
• M2: 561,590 km (0.077 R)
• M3: 972,685 km (0.055 R)
• M4: 1,533,528 km (0.065 R)
• M5: 2,327,593 km (0.107 R)
• M6: 3,118,068 km (0.119 R)
• M7: 3,576,586 km (0.042 R)
• M8: 4,131,145 km (0.115 R)
• M9: 4,799,399 km (0.103 R)
• M10: 5,189,849 km (0.105 R)
• M11: 8,107,457 km (0.116 R)
• M12: 9,883,782 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 88.5

Radius: 3.2

Gravity: 8.64 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 5.54 AU - 7.98 AU

Year: 11530 Days

Day: 22.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 26,644,280 km

• M1: 40,541 km (0.086 R)
• M2: 168,148 km (0.099 R)
• M3: 969,993 km (0.1 R)
• M4: 1,398,291 km (0.116 R)
• M5: 2,595,673 km (0.113 R)
• M6: 4,687,051 km (0.106 R)
• M7: 5,071,218 km (0.097 R)
• M8: 5,257,617 km (0.109 R)
• M9: 5,989,899 km (0.07 R)
• M10: 6,503,917 km (0.112 R)
• M11: 8,628,506 km (0.106 R)
• M12: 10,094,565 km (0.086 R)
• M13: 10,646,731 km (0.115 R)
• M14: 12,280,489 km (0.059 R)
• M15: 12,811,262 km (0.113 R)
• M16: 14,389,071 km (0.038 R)
• M17: 14,601,650 km (0.052 R)
• M18: 15,864,705 km (0.084 R)
• M19: 16,205,937 km (0.038 R)
• M20: 17,378,336 km (0.095 R)
• M21: 20,487,279 km (0.068 R)
• M22: 25,156,528 km (0.089 R)
• M23: 26,405,520 km (0.051 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 452 - 16,439 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit