🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.7

Radius: 14.1

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.55 AU - 0.61 AU

Year: 295 Days

Day: 10.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,783,015 km

• M1: 175,329 km (0.086 R)
• M2: 699,370 km (0.119 R)
• M3: 1,316,611 km (0.106 R)
• M4: 2,112,621 km (0.109 R)
• M5: 2,562,013 km (0.048 R)
• M6: 3,342,016 km (0.096 R)
• M7: 3,849,004 km (0.118 R)
• M8: 4,501,250 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.3

Radius: 12.1

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.69 AU - 0.87 AU

Year: 459 Days

Day: 12.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 44,783,015 km

• M1: 151,393 km (0.108 R)
• M2: 1,504,955 km (0.117 R)
• M3: 2,059,065 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.3

Radius: 13

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.52 AU - 2.3 AU

Year: 1760 Days

Day: 5.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 44,783,015 km

• M1: 161,715 km (0.039 R)
• M2: 696,677 km (0.044 R)
• M3: 1,451,847 km (0.111 R)
• M4: 4,954,382 km (0.115 R)
• M5: 7,509,664 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.8

Radius: 8.6

Gravity: 8.41 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 3 AU - 3.64 AU

Year: 4034 Days

Day: 8.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 107.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,783,015 km

• M1: 107,411 km (0.051 R)
• M2: 438,621 km (0.03 R)
• M3: 761,304 km (0.058 R)
• M4: 1,709,604 km (0.081 R)
• M5: 2,270,896 km (0.065 R)
• M6: 4,373,943 km (0.117 R)
• M7: 4,878,686 km (0.114 R)
• M8: 5,236,374 km (0.057 R)
• M9: 6,062,304 km (0.098 R)
• M10: 6,356,114 km (0.105 R)
• M11: 8,761,349 km (0.069 R)
• M12: 9,563,792 km (0.06 R)
• M13: 11,625,849 km (0.111 R)
• M14: 13,765,846 km (0.108 R)
• M15: 14,069,680 km (0.115 R)
• M16: 19,372,475 km (0.101 R)
• M17: 21,332,357 km (0.083 R)
• M18: 23,854,577 km (0.099 R)
• M19: 24,737,653 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729

Radius: 13.4

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 3 AU - 4.82 AU

Year: 5156 Days

Day: 9.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,783,015 km

• M1: 166,652 km (0.066 R)
• M2: 632,649 km (0.066 R)
• M3: 1,211,593 km (0.027 R)
• M4: 1,739,225 km (0.098 R)
• M5: 2,276,880 km (0.09 R)
• M6: 4,800,147 km (0.034 R)
• M7: 5,431,151 km (0.103 R)
• M8: 6,305,251 km (0.072 R)
• M9: 9,083,583 km (0.107 R)
• M10: 10,810,541 km (0.116 R)
• M11: 12,193,124 km (0.085 R)
• M12: 14,400,291 km (0.05 R)
• M13: 16,494,362 km (0.089 R)
• M14: 17,424,113 km (0.117 R)
• M15: 18,257,971 km (0.072 R)
• M16: 21,278,951 km (0.094 R)
• M17: 24,065,361 km (0.116 R)
• M18: 24,858,379 km (0.116 R)
• M19: 31,091,973 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.8

Radius: 10.8

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 4.07 AU - 5.19 AU

Year: 6644 Days

Day: 6.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 67.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,783,015 km

• M1: 137,181 km (0.118 R)
• M2: 646,861 km (0.053 R)
• M3: 1,520,962 km (0.041 R)
• M4: 2,927,630 km (0.106 R)
• M5: 3,474,710 km (0.092 R)
• M6: 4,537,752 km (0.116 R)
• M7: 5,039,952 km (0.099 R)
• M8: 6,300,314 km (0.091 R)
• M9: 8,391,244 km (0.116 R)
• M10: 10,838,216 km (0.083 R)
• M11: 11,811,799 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.3

Radius: 11.8

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 4.74 AU - 5.8 AU

Year: 8068 Days

Day: 8 Hours

Environment

Temp: -219 °C

Axial Tilt: 169.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,783,015 km

• M1: 146,756 km (0.092 R)
• M2: 531,222 km (0.115 R)
• M3: 977,472 km (0.057 R)
• M4: 2,576,674 km (0.106 R)
• M5: 3,501,189 km (0.117 R)
• M6: 3,923,204 km (0.051 R)
• M7: 5,495,179 km (0.108 R)
• M8: 7,253,702 km (0.079 R)
• M9: 8,765,986 km (0.107 R)
• M10: 9,360,788 km (0.079 R)
• M11: 11,521,878 km (0.097 R)
• M12: 12,404,955 km (0.036 R)
• M13: 17,086,321 km (0.105 R)
• M14: 26,133,252 km (0.07 R)
• M15: 29,743,049 km (0.079 R)
• M16: 31,720,134 km (0.072 R)
• M17: 36,282,420 km (0.079 R)
• M18: 37,577,040 km (0.112 R)
• M19: 42,804,289 km (0.061 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 317 - 18,406 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit