🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.2

Radius: 9.8

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.59 AU - 0.67 AU

Year: 351 Days

Day: 13 Hours

Environment

Temp: -142 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,185,117 km

• M1: 121,922 km (0.074 R)
• M2: 854,952 km (0.028 R)
• M3: 1,249,142 km (0.113 R)
• M4: 1,591,871 km (0.096 R)
• M5: 2,222,426 km (0.047 R)
• M6: 2,537,778 km (0.111 R)
• M7: 3,172,522 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.2

Radius: 12

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.89 AU - 1.03 AU

Year: 661 Days

Day: 8.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 101.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,185,117 km

• M1: 150,795 km (0.055 R)
• M2: 524,191 km (0.1 R)
• M3: 1,355,955 km (0.116 R)
• M4: 1,730,698 km (0.059 R)
• M5: 2,532,692 km (0.12 R)
• M6: 2,917,308 km (0.083 R)
• M7: 3,354,283 km (0.087 R)
• M8: 3,763,583 km (0.059 R)
• M9: 4,237,060 km (0.081 R)
• M10: 4,733,576 km (0.092 R)
• M11: 5,215,131 km (0.094 R)
• M12: 5,959,830 km (0.026 R)
• M13: 7,638,318 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.5

Radius: 14.4

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.47 AU - 1.61 AU

Year: 1343 Days

Day: 10.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,185,117 km

• M1: 202,107 km (0.102 R)
• M2: 1,130,062 km (0.029 R)
• M3: 1,587,383 km (0.078 R)
• M4: 3,315,238 km (0.078 R)
• M5: 4,387,107 km (0.11 R)
• M6: 5,167,559 km (0.037 R)
• M7: 5,679,034 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.9

Radius: 11.9

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.54 AU - 2.56 AU

Year: 2063 Days

Day: 9.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 85.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,185,117 km

• M1: 149,448 km (0.112 R)
• M2: 657,782 km (0.098 R)
• M3: 1,051,374 km (0.11 R)
• M4: 1,457,083 km (0.068 R)
• M5: 2,073,127 km (0.085 R)
• M6: 2,544,061 km (0.102 R)
• M7: 3,327,206 km (0.115 R)
• M8: 3,757,899 km (0.103 R)
• M9: 4,264,886 km (0.09 R)
• M10: 4,967,996 km (0.091 R)
• M11: 5,723,016 km (0.093 R)
• M12: 6,658,751 km (0.057 R)
• M13: 7,121,756 km (0.116 R)
• M14: 7,606,154 km (0.053 R)
• M15: 9,126,667 km (0.111 R)
• M16: 9,906,521 km (0.112 R)
• M17: 10,841,058 km (0.103 R)
• M18: 11,560,325 km (0.066 R)
• M19: 13,735,927 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.6

Radius: 11.9

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.19 AU - 2.35 AU

Year: 2404 Days

Day: 11.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,185,117 km

• M1: 148,551 km (0.07 R)
• M2: 653,892 km (0.087 R)
• M3: 1,250,189 km (0.08 R)
• M4: 2,295,879 km (0.082 R)
• M5: 2,702,635 km (0.115 R)
• M6: 4,873,300 km (0.068 R)
• M7: 5,840,899 km (0.12 R)
• M8: 6,953,159 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.5

Radius: 9.1

Gravity: 9.47 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.01 AU - 2.83 AU

Year: 2646 Days

Day: 12.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,185,117 km

• M1: 113,246 km (0.079 R)
• M2: 504,444 km (0.094 R)
• M3: 831,914 km (0.12 R)
• M4: 1,295,518 km (0.049 R)
• M5: 1,912,609 km (0.118 R)
• M6: 3,261,084 km (0.068 R)
• M7: 3,704,043 km (0.057 R)
• M8: 4,165,852 km (0.117 R)
• M9: 4,531,469 km (0.098 R)
• M10: 7,408,984 km (0.109 R)
• M11: 8,376,284 km (0.107 R)
• M12: 8,785,883 km (0.061 R)
• M13: 9,352,859 km (0.075 R)
• M14: 13,418,331 km (0.09 R)
• M15: 13,790,829 km (0.109 R)
• M16: 17,133,444 km (0.109 R)
• M17: 17,683,067 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.4

Radius: 12.2

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.36 AU - 3.22 AU

Year: 3276 Days

Day: 12 Hours

Environment

Temp: -217 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,185,117 km

• M1: 151,692 km (0.088 R)
• M2: 541,544 km (0.061 R)
• M3: 1,247,945 km (0.098 R)
• M4: 1,764,507 km (0.063 R)
• M5: 2,295,879 km (0.025 R)
• M6: 3,222,338 km (0.1 R)
• M7: 4,501,250 km (0.102 R)
• M8: 5,146,466 km (0.107 R)
• M9: 5,996,481 km (0.087 R)
• M10: 7,291,101 km (0.089 R)
• M11: 7,829,205 km (0.092 R)
• M12: 10,216,637 km (0.091 R)
• M13: 10,783,015 km (0.084 R)
• M14: 13,301,644 km (0.107 R)
• M15: 14,631,420 km (0.06 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.9

Radius: 14.9

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.02 AU - 3.92 AU

Year: 4544 Days

Day: 6.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,185,117 km

• M1: 195,375 km (0.104 R)
• M2: 739,313 km (0.059 R)
• M3: 1,439,281 km (0.117 R)
• M4: 1,975,589 km (0.105 R)
• M5: 3,981,248 km (0.118 R)
• M6: 4,935,982 km (0.106 R)
• M7: 5,867,528 km (0.038 R)
• M8: 8,151,588 km (0.107 R)
• M9: 9,030,475 km (0.09 R)
• M10: 9,890,962 km (0.08 R)
• M11: 11,108,091 km (0.115 R)
• M12: 11,912,478 km (0.071 R)
• M13: 12,996,465 km (0.059 R)
• M14: 14,612,870 km (0.111 R)
• M15: 15,855,130 km (0.114 R)
• M16: 18,549,238 km (0.116 R)
• M17: 19,618,115 km (0.099 R)
• M18: 20,860,974 km (0.032 R)
• M19: 25,282,938 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 218.4

Radius: 5.9

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 4.64 AU - 7.26 AU

Year: 10202 Days

Day: 23.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 33,185,117 km

• M1: 77,791 km (0.089 R)
• M2: 296,952 km (0.082 R)
• M3: 622,477 km (0.118 R)
• M4: 897,737 km (0.064 R)
• M5: 1,108,371 km (0.114 R)
• M6: 1,386,323 km (0.092 R)
• M7: 1,631,215 km (0.041 R)
• M8: 1,833,472 km (0.104 R)
• M9: 2,098,559 km (0.097 R)
• M10: 2,855,674 km (0.069 R)
• M11: 3,131,083 km (0.096 R)
• M12: 3,467,379 km (0.083 R)
• M13: 5,826,239 km (0.062 R)
• M14: 6,013,834 km (0.065 R)
• M15: 6,205,469 km (0.065 R)
• M16: 6,736,392 km (0.117 R)
• M17: 7,118,764 km (0.088 R)
• M18: 8,003,037 km (0.035 R)
• M19: 8,835,101 km (0.115 R)
• M20: 9,899,041 km (0.084 R)
• M21: 13,274,567 km (0.116 R)
• M22: 18,733,842 km (0.115 R)
• M23: 19,628,886 km (0.119 R)
• M24: 19,980,591 km (0.094 R)
• M25: 24,051,298 km (0.071 R)
• M26: 26,194,886 km (0.102 R)
• M27: 28,552,250 km (0.111 R)
• M28: 30,668,910 km (0.034 R)
• M29: 31,524,909 km (0.049 R)
• M30: 32,789,310 km (0.073 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: 525 - 18,848 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit