🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.7

Radius: 9.6

Gravity: 9.51 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.86 AU - 1.38 AU

Year: 818 Days

Day: 13.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,268,297 km

• M1: 135,236 km (0.102 R)
• M2: 698,472 km (0.094 R)
• M3: 1,112,559 km (0.052 R)
• M4: 1,497,475 km (0.106 R)
• M5: 2,019,571 km (0.094 R)
• M6: 2,373,071 km (0.111 R)
• M7: 2,854,477 km (0.106 R)
• M8: 3,343,812 km (0.118 R)
• M9: 4,029,568 km (0.085 R)
• M10: 4,456,969 km (0.081 R)
• M11: 4,824,083 km (0.114 R)
• M12: 5,599,299 km (0.088 R)
• M13: 6,238,979 km (0.041 R)
• M14: 6,903,643 km (0.114 R)
• M15: 8,218,009 km (0.075 R)
• M16: 8,934,583 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.6

Radius: 8.5

Gravity: 7.58 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.05 AU - 1.71 AU

Year: 1119 Days

Day: 6.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,268,297 km

• M1: 105,915 km (0.09 R)
• M2: 503,995 km (0.042 R)
• M3: 810,372 km (0.088 R)
• M4: 1,094,458 km (0.093 R)
• M5: 1,391,410 km (0.115 R)
• M6: 1,706,762 km (0.115 R)
• M7: 2,142,242 km (0.097 R)
• M8: 3,627,748 km (0.085 R)
• M9: 4,367,659 km (0.107 R)
• M10: 4,920,573 km (0.118 R)
• M11: 5,640,737 km (0.089 R)
• M12: 6,036,872 km (0.064 R)
• M13: 7,861,518 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.7

Radius: 14.8

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.73 AU - 2.43 AU

Year: 2071 Days

Day: 7.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,268,297 km

• M1: 184,005 km (0.061 R)
• M2: 1,420,282 km (0.086 R)
• M3: 2,003,265 km (0.087 R)
• M4: 2,803,314 km (0.115 R)
• M5: 3,327,655 km (0.085 R)
• M6: 4,598,190 km (0.114 R)
• M7: 5,065,533 km (0.115 R)
• M8: 5,541,255 km (0.105 R)
• M9: 6,426,874 km (0.039 R)
• M10: 7,320,123 km (0.06 R)
• M11: 8,020,540 km (0.045 R)
• M12: 8,543,534 km (0.082 R)
• M13: 10,286,499 km (0.083 R)
• M14: 13,245,844 km (0.111 R)
• M15: 13,760,162 km (0.082 R)
• M16: 16,291,059 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280

Radius: 11.4

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.03 AU - 3.29 AU

Year: 2995 Days

Day: 6.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,268,297 km

• M1: 141,819 km (0.047 R)
• M2: 593,904 km (0.032 R)
• M3: 1,269,637 km (0.109 R)
• M4: 1,759,421 km (0.074 R)
• M5: 2,210,608 km (0.052 R)
• M6: 3,033,546 km (0.117 R)
• M7: 5,439,379 km (0.086 R)
• M8: 6,180,337 km (0.032 R)
• M9: 6,536,529 km (0.11 R)
• M10: 7,487,523 km (0.095 R)
• M11: 9,230,338 km (0.117 R)
• M12: 9,764,851 km (0.108 R)
• M13: 11,266,664 km (0.05 R)
• M14: 13,543,993 km (0.063 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 187

Radius: 3

Gravity: 20.78 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 5.49 AU - 8.81 AU

Year: 13197 Days

Day: 19.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,268,297 km

• M1: 41,439 km (0.065 R)
• M2: 144,362 km (0.107 R)
• M3: 1,532,331 km (0.085 R)
• M4: 2,237,236 km (0.118 R)
• M5: 3,029,506 km (0.113 R)
• M6: 6,289,244 km (0.069 R)
• M7: 7,635,176 km (0.065 R)
• M8: 10,065,992 km (0.086 R)
• M9: 12,801,539 km (0.111 R)
• M10: 20,269,165 km (0.117 R)
• M11: 22,188,805 km (0.067 R)
• M12: 27,011,092 km (0.086 R)
• M13: 29,809,021 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 367.9

Radius: 5.3

Gravity: 13.1 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 7.16 AU - 10.92 AU

Year: 18761 Days

Day: 19.2 Hours

Environment

Temp: -243 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,268,297 km

• M1: 106,214 km (0.071 R)
• M2: 273,764 km (0.109 R)
• M3: 2,154,957 km (0.048 R)
• M4: 2,874,373 km (0.116 R)
• M5: 5,716,434 km (0.059 R)
• M6: 7,159,754 km (0.112 R)
• M7: 14,728,808 km (0.077 R)
• M8: 16,474,914 km (0.079 R)
• M9: 20,198,705 km (0.1 R)
• M10: 22,720,177 km (0.112 R)
• M11: 22,907,922 km (0.056 R)
• M12: 26,260,111 km (0.094 R)
• M13: 40,273,243 km (0.084 R)
• M14: 41,661,212 km (0.093 R)
• M15: 46,618,586 km (0.114 R)
• M16: 52,117,654 km (0.092 R)
• M17: 53,931,379 km (0.052 R)
• M18: 55,786,692 km (0.102 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 321 - 11,422 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit