🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.4

Radius: 8.2

Gravity: 11.26 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.63 AU - 0.83 AU

Year: 409 Days

Day: 12.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,137,628 km

• M1: 102,325 km (0.03 R)
• M2: 362,924 km (0.115 R)
• M3: 618,587 km (0.08 R)
• M4: 982,708 km (0.083 R)
• M5: 1,253,929 km (0.097 R)
• M6: 1,520,662 km (0.076 R)
• M7: 1,856,958 km (0.029 R)
• M8: 2,137,155 km (0.051 R)
• M9: 2,532,094 km (0.108 R)
• M10: 3,164,145 km (0.117 R)
• M11: 3,529,762 km (0.109 R)
• M12: 3,923,503 km (0.086 R)
• M13: 4,346,267 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.2

Radius: 9.8

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.98 AU - 1.38 AU

Year: 841 Days

Day: 6.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 83,137,628 km

• M1: 122,969 km (0.098 R)
• M2: 512,822 km (0.039 R)
• M3: 894,745 km (0.103 R)
• M4: 1,237,474 km (0.095 R)
• M5: 1,619,098 km (0.071 R)
• M6: 1,953,898 km (0.107 R)
• M7: 2,292,887 km (0.063 R)
• M8: 2,601,657 km (0.113 R)
• M9: 3,130,485 km (0.114 R)
• M10: 4,256,059 km (0.082 R)
• M11: 4,571,412 km (0.087 R)
• M12: 5,305,638 km (0.098 R)
• M13: 5,632,360 km (0.041 R)
• M14: 5,972,545 km (0.118 R)
• M15: 6,411,615 km (0.059 R)
• M16: 6,872,227 km (0.037 R)
• M17: 7,284,519 km (0.087 R)
• M18: 8,033,256 km (0.078 R)
• M19: 8,859,036 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.2

Radius: 8.5

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.45 AU - 2.19 AU

Year: 1611 Days

Day: 7.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,137,628 km

• M1: 107,112 km (0.08 R)
• M2: 421,716 km (0.055 R)
• M3: 737,817 km (0.106 R)
• M4: 1,338,751 km (0.119 R)
• M5: 1,820,307 km (0.119 R)
• M6: 2,102,000 km (0.119 R)
• M7: 2,811,243 km (0.074 R)
• M8: 3,837,335 km (0.056 R)
• M9: 4,244,540 km (0.112 R)
• M10: 4,521,446 km (0.079 R)
• M11: 5,060,597 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.8

Radius: 12

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.37 AU - 2.97 AU

Year: 2862 Days

Day: 7.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,137,628 km

• M1: 149,299 km (0.111 R)
• M2: 966,253 km (0.11 R)
• M3: 1,613,413 km (0.12 R)
• M4: 2,982,234 km (0.078 R)
• M5: 4,346,865 km (0.099 R)
• M6: 4,798,501 km (0.099 R)
• M7: 5,418,584 km (0.086 R)
• M8: 5,869,323 km (0.101 R)
• M9: 10,288,444 km (0.098 R)
• M10: 10,759,677 km (0.07 R)
• M11: 12,503,390 km (0.047 R)
• M12: 13,378,538 km (0.045 R)
• M13: 15,158,004 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.7

Radius: 14

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.3 AU - 3.34 AU

Year: 3107 Days

Day: 10.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,137,628 km

• M1: 174,880 km (0.11 R)
• M2: 640,428 km (0.102 R)
• M3: 1,463,666 km (0.092 R)
• M4: 2,018,374 km (0.12 R)
• M5: 3,029,806 km (0.116 R)
• M6: 3,504,779 km (0.094 R)
• M7: 4,029,867 km (0.1 R)
• M8: 4,916,534 km (0.117 R)
• M9: 6,589,786 km (0.081 R)
• M10: 8,195,121 km (0.064 R)
• M11: 10,167,569 km (0.093 R)
• M12: 13,044,785 km (0.107 R)
• M13: 16,152,381 km (0.103 R)
• M14: 17,965,956 km (0.055 R)
• M15: 19,166,330 km (0.119 R)
• M16: 23,720,388 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.9

Radius: 12.6

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.35 AU - 3.63 AU

Year: 3392 Days

Day: 10.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,137,628 km

• M1: 158,125 km (0.102 R)
• M2: 660,026 km (0.097 R)
• M3: 1,183,918 km (0.064 R)
• M4: 2,474,648 km (0.094 R)
• M5: 2,905,639 km (0.095 R)
• M6: 4,958,870 km (0.104 R)
• M7: 6,502,421 km (0.115 R)
• M8: 7,280,180 km (0.052 R)
• M9: 7,787,018 km (0.095 R)
• M10: 8,317,193 km (0.109 R)
• M11: 9,234,078 km (0.116 R)
• M12: 12,391,192 km (0.055 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.3

Radius: 9.9

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.43 AU - 3.99 AU

Year: 3773 Days

Day: 7.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 83,137,628 km

• M1: 140,921 km (0.115 R)
• M2: 467,643 km (0.097 R)
• M3: 959,521 km (0.112 R)
• M4: 2,197,294 km (0.077 R)
• M5: 2,850,139 km (0.113 R)
• M6: 3,408,587 km (0.093 R)
• M7: 4,131,744 km (0.082 R)
• M8: 4,785,337 km (0.111 R)
• M9: 5,552,475 km (0.106 R)
• M10: 6,527,105 km (0.057 R)
• M11: 7,385,796 km (0.045 R)
• M12: 7,697,858 km (0.069 R)
• M13: 8,563,132 km (0.054 R)
• M14: 9,524,896 km (0.09 R)
• M15: 12,322,077 km (0.039 R)
• M16: 14,538,819 km (0.119 R)
• M17: 15,257,188 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.7

Radius: 10.5

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 4.3 AU - 4.52 AU

Year: 6075 Days

Day: 10 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 83,137,628 km

• M1: 130,599 km (0.115 R)
• M2: 782,098 km (0.112 R)
• M3: 1,206,058 km (0.087 R)
• M4: 2,028,098 km (0.086 R)
• M5: 2,414,061 km (0.113 R)
• M6: 4,399,673 km (0.072 R)
• M7: 6,022,361 km (0.082 R)
• M8: 7,039,926 km (0.095 R)
• M9: 8,570,462 km (0.069 R)
• M10: 11,265,468 km (0.049 R)
• M11: 12,698,316 km (0.11 R)
• M12: 13,293,267 km (0.09 R)
• M13: 14,364,537 km (0.073 R)
• M14: 15,431,619 km (0.102 R)
• M15: 17,326,425 km (0.113 R)
• M16: 17,856,899 km (0.119 R)
• M17: 18,603,842 km (0.052 R)
• M18: 21,878,389 km (0.111 R)
• M19: 25,011,268 km (0.088 R)
• M20: 26,728,652 km (0.117 R)
• M21: 27,258,826 km (0.055 R)
• M22: 28,614,931 km (0.107 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.5

Radius: 8.1

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 4.76 AU - 5.44 AU

Year: 7556 Days

Day: 14.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 77.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,137,628 km

• M1: 105,766 km (0.112 R)
• M2: 400,773 km (0.112 R)
• M3: 683,961 km (0.107 R)
• M4: 1,590,674 km (0.1 R)
• M5: 2,051,286 km (0.091 R)
• M6: 2,339,711 km (0.065 R)
• M7: 3,596,931 km (0.113 R)
• M8: 4,432,884 km (0.053 R)
• M9: 4,831,413 km (0.103 R)
• M10: 5,117,893 km (0.114 R)
• M11: 7,452,368 km (0.081 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 993.6

Radius: 6

Gravity: 27.6 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 7.08 AU - 11.76 AU

Year: 18966 Days

Day: 15.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 83,137,628 km

• M1: 76,145 km (0.083 R)
• M2: 297,700 km (0.073 R)
• M3: 617,839 km (0.118 R)
• M4: 1,059,153 km (0.104 R)
• M5: 1,296,116 km (0.117 R)
• M6: 1,709,604 km (0.03 R)
• M7: 1,897,948 km (0.027 R)
• M8: 2,431,265 km (0.067 R)
• M9: 3,697,311 km (0.09 R)
• M10: 4,851,758 km (0.104 R)
• M11: 5,232,784 km (0.111 R)
• M12: 6,054,375 km (0.101 R)
• M13: 6,541,466 km (0.074 R)
• M14: 8,920,521 km (0.079 R)
• M15: 9,906,820 km (0.086 R)
• M16: 12,865,566 km (0.072 R)
• M17: 13,744,005 km (0.077 R)
• M18: 14,583,848 km (0.113 R)
• M19: 14,976,692 km (0.094 R)
• M20: 16,703,949 km (0.098 R)
• M21: 26,307,683 km (0.079 R)
• M22: 33,056,043 km (0.073 R)
• M23: 34,420,675 km (0.094 R)
• M24: 34,837,305 km (0.111 R)
• M25: 37,261,688 km (0.097 R)
• M26: 40,872,532 km (0.093 R)
• M27: 47,913,056 km (0.117 R)
• M28: 48,606,443 km (0.091 R)
• M29: 50,905,911 km (0.064 R)
• M30: 52,356,412 km (0.085 R)
• M31: 53,276,738 km (0.093 R)
• M32: 64,544,151 km (0.111 R)
• M33: 66,887,003 km (0.119 R)
• M34: 72,194,137 km (0.082 R)
• M35: 76,825,687 km (0.081 R)
• M36: 80,183,112 km (0.101 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 179 - 19,845 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit