🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.2

Radius: 11.1

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.52 AU - 0.56 AU

Year: 269 Days

Day: 12.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 57,615,414 km

• M1: 145,409 km (0.094 R)
• M2: 844,031 km (0.078 R)
• M3: 1,926,521 km (0.042 R)
• M4: 2,302,760 km (0.071 R)
• M5: 2,678,400 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160

Radius: 11.6

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.33 AU - 1.85 AU

Year: 1360 Days

Day: 13.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,615,414 km

• M1: 163,062 km (0.119 R)
• M2: 568,023 km (0.1 R)
• M3: 1,018,313 km (0.061 R)
• M4: 1,815,819 km (0.103 R)
• M5: 2,542,715 km (0.107 R)
• M6: 2,921,497 km (0.071 R)
• M7: 3,454,813 km (0.103 R)
• M8: 4,966,799 km (0.065 R)
• M9: 6,032,983 km (0.034 R)
• M10: 7,008,062 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.8

Radius: 14.1

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.84 AU - 2.3 AU

Year: 2020 Days

Day: 5.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,615,414 km

• M1: 175,329 km (0.059 R)
• M2: 619,036 km (0.036 R)
• M3: 1,467,705 km (0.085 R)
• M4: 2,366,339 km (0.063 R)
• M5: 4,488,385 km (0.062 R)
• M6: 5,967,758 km (0.119 R)
• M7: 6,427,323 km (0.093 R)
• M8: 7,751,713 km (0.081 R)
• M9: 8,905,561 km (0.117 R)
• M10: 9,902,033 km (0.052 R)
• M11: 12,193,573 km (0.112 R)
• M12: 12,817,695 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.5

Radius: 12.1

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.47 AU - 3.49 AU

Year: 3489 Days

Day: 14.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 57,615,414 km

• M1: 150,495 km (0.092 R)
• M2: 548,875 km (0.032 R)
• M3: 1,117,197 km (0.075 R)
• M4: 1,516,324 km (0.112 R)
• M5: 2,187,420 km (0.088 R)
• M6: 2,647,882 km (0.081 R)
• M7: 4,016,254 km (0.082 R)
• M8: 5,409,609 km (0.059 R)
• M9: 6,405,482 km (0.117 R)
• M10: 7,009,408 km (0.096 R)
• M11: 7,851,046 km (0.098 R)
• M12: 8,261,692 km (0.092 R)
• M13: 8,650,646 km (0.087 R)
• M14: 9,051,868 km (0.099 R)
• M15: 9,735,381 km (0.097 R)
• M16: 10,371,471 km (0.044 R)
• M17: 11,420,750 km (0.087 R)
• M18: 12,310,110 km (0.04 R)
• M19: 12,725,244 km (0.045 R)
• M20: 13,389,309 km (0.088 R)
• M21: 14,378,151 km (0.113 R)
• M22: 16,006,224 km (0.06 R)
• M23: 18,403,680 km (0.098 R)
• M24: 20,129,141 km (0.109 R)
• M25: 22,503,260 km (0.101 R)
• M26: 23,404,587 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.5

Radius: 10.6

Gravity: 7.56 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 4.47 AU - 5.09 AU

Year: 7088 Days

Day: 12.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,615,414 km

• M1: 131,796 km (0.103 R)
• M2: 473,178 km (0.095 R)
• M3: 899,831 km (0.027 R)
• M4: 1,233,584 km (0.094 R)
• M5: 1,764,208 km (0.108 R)
• M6: 2,552,588 km (0.069 R)
• M7: 2,985,674 km (0.103 R)
• M8: 4,026,726 km (0.09 R)
• M9: 4,395,784 km (0.116 R)
• M10: 5,356,202 km (0.059 R)
• M11: 6,774,240 km (0.11 R)
• M12: 10,287,247 km (0.093 R)
• M13: 10,879,655 km (0.036 R)
• M14: 14,737,485 km (0.063 R)
• M15: 15,941,747 km (0.112 R)
• M16: 17,624,574 km (0.037 R)
• M17: 18,187,361 km (0.097 R)
• M18: 19,721,637 km (0.063 R)
• M19: 20,481,893 km (0.107 R)
• M20: 26,451,895 km (0.063 R)
• M21: 28,418,060 km (0.108 R)
• M22: 36,011,050 km (0.109 R)
• M23: 37,838,837 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 35.5

Radius: 7.3

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 5.46 AU - 6.26 AU

Year: 9621 Days

Day: 15 Hours

Environment

Temp: -219 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,615,414 km

• M1: 90,956 km (0.103 R)
• M2: 368,011 km (0.061 R)
• M3: 919,578 km (0.093 R)
• M4: 1,755,381 km (0.113 R)
• M5: 2,116,660 km (0.072 R)
• M6: 2,362,150 km (0.065 R)
• M7: 3,149,933 km (0.087 R)
• M8: 3,384,652 km (0.081 R)
• M9: 3,889,694 km (0.107 R)
• M10: 4,220,156 km (0.027 R)
• M11: 5,443,119 km (0.113 R)
• M12: 7,847,605 km (0.066 R)
• M13: 8,408,148 km (0.05 R)
• M14: 9,095,551 km (0.106 R)
• M15: 10,177,742 km (0.043 R)
• M16: 10,806,501 km (0.109 R)
• M17: 14,852,077 km (0.106 R)
• M18: 16,001,886 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 263.1

Radius: 5.5

Gravity: 8.7 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 5.27 AU - 7.43 AU

Year: 10853 Days

Day: 22.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,615,414 km

• M1: 69,264 km (0.112 R)
• M2: 268,678 km (0.075 R)
• M3: 486,791 km (0.117 R)
• M4: 807,529 km (0.053 R)
• M5: 2,083,749 km (0.093 R)
• M6: 2,349,135 km (0.119 R)
• M7: 2,770,104 km (0.11 R)
• M8: 3,197,056 km (0.067 R)
• M9: 4,336,842 km (0.046 R)
• M10: 4,855,049 km (0.064 R)
• M11: 5,292,473 km (0.068 R)
• M12: 9,651,456 km (0.113 R)
• M13: 12,612,297 km (0.111 R)
• M14: 14,006,998 km (0.111 R)
• M15: 15,749,963 km (0.085 R)
• M16: 18,453,496 km (0.032 R)
• M17: 20,467,831 km (0.055 R)
• M18: 26,223,609 km (0.065 R)
• M19: 32,665,144 km (0.07 R)
• M20: 36,796,887 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 453.9

Radius: 5.7

Gravity: 13.97 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 7.91 AU - 8.67 AU

Year: 16189 Days

Day: 18.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 107.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 57,615,414 km

• M1: 71,957 km (0.118 R)
• M2: 343,776 km (0.057 R)
• M3: 626,965 km (0.025 R)
• M4: 1,347,727 km (0.116 R)
• M5: 1,578,407 km (0.071 R)
• M6: 2,009,997 km (0.096 R)
• M7: 2,800,622 km (0.075 R)
• M8: 3,203,638 km (0.11 R)
• M9: 3,698,807 km (0.095 R)
• M10: 3,893,584 km (0.065 R)
• M11: 4,840,239 km (0.104 R)
• M12: 5,563,096 km (0.106 R)
• M13: 5,782,406 km (0.118 R)
• M14: 8,637,931 km (0.101 R)
• M15: 13,261,253 km (0.095 R)
• M16: 14,119,795 km (0.111 R)
• M17: 17,847,325 km (0.097 R)
• M18: 18,647,973 km (0.082 R)
• M19: 21,459,964 km (0.104 R)
• M20: 22,548,737 km (0.082 R)
• M21: 23,674,013 km (0.113 R)
• M22: 24,153,773 km (0.083 R)
• M23: 24,639,966 km (0.109 R)
• M24: 26,444,416 km (0.104 R)
• M25: 28,658,614 km (0.103 R)
• M26: 35,161,484 km (0.112 R)
• M27: 36,544,965 km (0.101 R)
• M28: 39,419,637 km (0.03 R)
• M29: 50,665,059 km (0.116 R)
• M30: 53,242,630 km (0.072 R)
• M31: 55,906,220 km (0.072 R)
• M32: 56,756,535 km (0.112 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: 400 - 10,589 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit