🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.6

Radius: 9.9

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.66 AU - 0.88 AU

Year: 443 Days

Day: 14.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 89,595,661 km

• M1: 123,119 km (0.116 R)
• M2: 445,203 km (0.112 R)
• M3: 809,474 km (0.046 R)
• M4: 1,274,424 km (0.094 R)
• M5: 1,818,512 km (0.069 R)
• M6: 2,180,090 km (0.115 R)
• M7: 2,941,094 km (0.093 R)
• M8: 3,702,846 km (0.107 R)
• M9: 4,388,304 km (0.11 R)
• M10: 5,045,787 km (0.101 R)
• M11: 5,767,447 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.7

Radius: 8.5

Gravity: 10.2 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.84 AU - 1.24 AU

Year: 696 Days

Day: 10.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 85 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 89,595,661 km

• M1: 105,766 km (0.065 R)
• M2: 371,900 km (0.099 R)
• M3: 709,094 km (0.103 R)
• M4: 1,035,666 km (0.046 R)
• M5: 1,333,665 km (0.09 R)
• M6: 1,756,129 km (0.055 R)
• M7: 2,166,327 km (0.063 R)
• M8: 2,753,498 km (0.073 R)
• M9: 3,103,707 km (0.092 R)
• M10: 3,621,465 km (0.04 R)
• M11: 4,088,360 km (0.092 R)
• M12: 5,178,330 km (0.069 R)
• M13: 5,638,045 km (0.108 R)
• M14: 6,185,124 km (0.116 R)
• M15: 7,093,482 km (0.116 R)
• M16: 7,967,882 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.7

Radius: 8

Gravity: 12.07 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.85 AU - 2.83 AU

Year: 2348 Days

Day: 7.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 89,595,661 km

• M1: 99,483 km (0.046 R)
• M2: 609,611 km (0.09 R)
• M3: 995,723 km (0.093 R)
• M4: 1,440,029 km (0.026 R)
• M5: 2,023,610 km (0.116 R)
• M6: 2,461,035 km (0.096 R)
• M7: 3,399,462 km (0.057 R)
• M8: 3,959,856 km (0.06 R)
• M9: 4,241,698 km (0.061 R)
• M10: 4,602,079 km (0.106 R)
• M11: 5,239,965 km (0.088 R)
• M12: 5,807,090 km (0.056 R)
• M13: 6,775,886 km (0.059 R)
• M14: 7,388,639 km (0.086 R)
• M15: 8,133,487 km (0.063 R)
• M16: 11,457,701 km (0.114 R)
• M17: 11,949,130 km (0.104 R)
• M18: 12,454,472 km (0.108 R)
• M19: 13,825,985 km (0.09 R)
• M20: 14,383,087 km (0.1 R)
• M21: 16,297,192 km (0.12 R)
• M22: 16,657,873 km (0.054 R)
• M23: 18,991,599 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.6

Radius: 13.7

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 4.1 AU - 5.14 AU

Year: 6514 Days

Day: 12.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 89,595,661 km

• M1: 171,439 km (0.119 R)
• M2: 968,048 km (0.039 R)
• M3: 1,411,157 km (0.098 R)
• M4: 1,993,840 km (0.11 R)
• M5: 2,457,444 km (0.1 R)
• M6: 2,932,567 km (0.069 R)
• M7: 3,773,905 km (0.075 R)
• M8: 5,301,300 km (0.088 R)
• M9: 5,773,131 km (0.042 R)
• M10: 6,341,903 km (0.073 R)
• M11: 7,514,600 km (0.096 R)
• M12: 8,152,934 km (0.098 R)
• M13: 10,480,677 km (0.045 R)
• M14: 12,062,974 km (0.094 R)
• M15: 12,661,216 km (0.107 R)
• M16: 13,222,058 km (0.051 R)
• M17: 13,741,013 km (0.038 R)
• M18: 14,514,584 km (0.038 R)
• M19: 15,004,966 km (0.092 R)
• M20: 17,487,093 km (0.099 R)
• M21: 18,753,739 km (0.115 R)
• M22: 21,155,233 km (0.072 R)
• M23: 24,351,242 km (0.068 R)
• M24: 31,480,179 km (0.089 R)
• M25: 39,768,948 km (0.077 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 26.4

Radius: 6.6

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 7.22 AU - 9.94 AU

Year: 16487 Days

Day: 21.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 89,595,661 km

• M1: 117,285 km (0.116 R)
• M2: 505,790 km (0.06 R)
• M3: 1,884,634 km (0.072 R)
• M4: 11,014,592 km (0.117 R)
• M5: 12,678,120 km (0.117 R)
• M6: 13,811,025 km (0.086 R)
• M7: 14,153,903 km (0.045 R)
• M8: 15,953,715 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 426.1

Radius: 6.9

Gravity: 8.95 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 7.67 AU - 9.65 AU

Year: 16718 Days

Day: 15.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 89,595,661 km

• M1: 87,814 km (0.06 R)
• M2: 553,213 km (0.082 R)
• M3: 891,304 km (0.068 R)
• M4: 2,154,060 km (0.086 R)
• M5: 4,693,484 km (0.103 R)
• M6: 5,435,639 km (0.063 R)
• M7: 6,939,845 km (0.052 R)
• M8: 9,556,761 km (0.105 R)
• M9: 9,977,580 km (0.118 R)
• M10: 11,607,598 km (0.059 R)
• M11: 13,603,682 km (0.054 R)
• M12: 14,751,996 km (0.088 R)
• M13: 17,163,513 km (0.072 R)
• M14: 19,741,234 km (0.085 R)
• M15: 24,365,005 km (0.114 R)
• M16: 28,460,546 km (0.101 R)
• M17: 29,662,415 km (0.056 R)
• M18: 39,977,338 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 827.5

Radius: 6.1

Gravity: 22.24 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 9.44 AU - 12.14 AU

Year: 23251 Days

Day: 16.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 89,595,661 km

• M1: 92,451 km (0.086 R)
• M2: 300,991 km (0.097 R)
• M3: 555,606 km (0.11 R)
• M4: 1,344,586 km (0.028 R)
• M5: 1,560,156 km (0.087 R)
• M6: 2,374,118 km (0.063 R)
• M7: 2,768,608 km (0.083 R)
• M8: 3,064,662 km (0.12 R)
• M9: 7,649,687 km (0.116 R)
• M10: 8,508,229 km (0.106 R)
• M11: 9,549,131 km (0.075 R)
• M12: 11,333,086 km (0.1 R)
• M13: 14,487,507 km (0.109 R)
• M14: 27,729,910 km (0.095 R)
• M15: 31,177,692 km (0.102 R)
• M16: 32,523,774 km (0.113 R)
• M17: 36,794,344 km (0.065 R)
• M18: 42,557,602 km (0.113 R)
• M19: 45,225,979 km (0.093 R)
• M20: 47,123,628 km (0.106 R)
• M21: 50,893,046 km (0.084 R)
• M22: 58,014,353 km (0.074 R)
• M23: 62,760,047 km (0.079 R)
• M24: 64,469,502 km (0.079 R)
• M25: 66,870,398 km (0.088 R)
• M26: 89,059,652 km (0.048 R)
• M27: 89,327,432 km (0.107 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 442 - 14,736 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit