🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.2

Radius: 13.7

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.56 AU - 0.82 AU

Year: 376 Days

Day: 12.8 Hours

Environment

Temp: -135 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,671,534 km

• M1: 170,392 km (0.104 R)
• M2: 668,254 km (0.106 R)
• M3: 1,117,047 km (0.11 R)
• M4: 1,588,729 km (0.085 R)
• M5: 2,112,771 km (0.085 R)
• M6: 2,542,266 km (0.078 R)
• M7: 3,021,428 km (0.03 R)
• M8: 3,561,028 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.4

Radius: 12.6

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.52 AU - 2.22 AU

Year: 1678 Days

Day: 12.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 76,671,534 km

• M1: 157,078 km (0.104 R)
• M2: 677,230 km (0.117 R)
• M3: 2,297,674 km (0.032 R)
• M4: 4,526,383 km (0.115 R)
• M5: 4,992,829 km (0.07 R)
• M6: 5,732,740 km (0.051 R)
• M7: 6,172,109 km (0.119 R)
• M8: 8,992,627 km (0.073 R)
• M9: 9,530,132 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.8

Radius: 14.5

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.16 AU - 2.74 AU

Year: 2516 Days

Day: 11.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,671,534 km

• M1: 180,864 km (0.072 R)
• M2: 652,696 km (0.049 R)
• M3: 1,249,292 km (0.09 R)
• M4: 2,969,967 km (0.072 R)
• M5: 4,036,001 km (0.029 R)
• M6: 5,745,755 km (0.1 R)
• M7: 6,918,303 km (0.117 R)
• M8: 7,825,465 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37

Radius: 8.8

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.54 AU - 3.7 AU

Year: 4518 Days

Day: 7.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,671,534 km

• M1: 169,943 km (0.078 R)
• M2: 448,943 km (0.035 R)
• M3: 730,935 km (0.087 R)
• M4: 1,110,615 km (0.052 R)
• M5: 1,469,350 km (0.106 R)
• M6: 2,749,758 km (0.095 R)
• M7: 3,385,849 km (0.076 R)
• M8: 4,234,218 km (0.081 R)
• M9: 4,690,043 km (0.09 R)
• M10: 5,556,514 km (0.077 R)
• M11: 6,525,758 km (0.034 R)
• M12: 7,305,462 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.6

Radius: 13.9

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 3.1 AU - 5.04 AU

Year: 5386 Days

Day: 9.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 76,671,534 km

• M1: 172,935 km (0.09 R)
• M2: 1,263,952 km (0.116 R)
• M3: 1,930,710 km (0.116 R)
• M4: 2,461,035 km (0.095 R)
• M5: 3,049,852 km (0.086 R)
• M6: 4,122,020 km (0.109 R)
• M7: 4,824,831 km (0.111 R)
• M8: 5,460,771 km (0.108 R)
• M9: 6,767,060 km (0.036 R)
• M10: 7,316,383 km (0.091 R)
• M11: 8,543,834 km (0.059 R)
• M12: 9,817,959 km (0.118 R)
• M13: 10,433,404 km (0.051 R)
• M14: 11,790,407 km (0.115 R)
• M15: 13,960,324 km (0.045 R)
• M16: 14,513,985 km (0.043 R)
• M17: 16,082,519 km (0.092 R)
• M18: 16,629,599 km (0.116 R)
• M19: 18,876,708 km (0.107 R)
• M20: 23,731,159 km (0.088 R)
• M21: 25,737,865 km (0.094 R)
• M22: 26,235,876 km (0.097 R)
• M23: 26,909,964 km (0.069 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 567.2

Radius: 4.3

Gravity: 30.68 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 6.55 AU - 7.23 AU

Year: 11864 Days

Day: 21.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 79.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 76,671,534 km

• M1: 53,706 km (0.059 R)
• M2: 210,335 km (0.082 R)
• M3: 481,256 km (0.073 R)
• M4: 840,890 km (0.065 R)
• M5: 1,244,654 km (0.109 R)
• M6: 1,554,621 km (0.104 R)
• M7: 2,307,846 km (0.12 R)
• M8: 3,019,633 km (0.091 R)
• M9: 4,493,920 km (0.11 R)
• M10: 5,591,520 km (0.054 R)
• M11: 6,620,603 km (0.106 R)
• M12: 6,896,312 km (0.11 R)
• M13: 7,138,810 km (0.067 R)
• M14: 7,813,048 km (0.102 R)
• M15: 9,141,926 km (0.101 R)
• M16: 9,783,850 km (0.032 R)
• M17: 10,141,688 km (0.091 R)
• M18: 10,561,310 km (0.097 R)
• M19: 11,212,211 km (0.119 R)
• M20: 11,717,552 km (0.081 R)
• M21: 13,701,220 km (0.106 R)
• M22: 14,805,552 km (0.034 R)
• M23: 16,751,521 km (0.113 R)
• M24: 19,495,445 km (0.085 R)
• M25: 21,653,843 km (0.068 R)
• M26: 22,348,725 km (0.029 R)
• M27: 24,803,626 km (0.07 R)
• M28: 27,432,510 km (0.066 R)
• M29: 30,456,481 km (0.03 R)
• M30: 33,580,084 km (0.117 R)
• M31: 34,043,090 km (0.081 R)
• M32: 34,276,163 km (0.107 R)
• M33: 34,863,485 km (0.084 R)
• M34: 36,788,061 km (0.106 R)
• M35: 39,935,002 km (0.099 R)
• M36: 41,507,425 km (0.074 R)
• M37: 49,691,626 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 606.7

Radius: 5

Gravity: 24.27 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 8.44 AU - 12.04 AU

Year: 21496 Days

Day: 24.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 76,671,534 km

• M1: 77,193 km (0.075 R)
• M2: 305,479 km (0.094 R)
• M3: 494,271 km (0.106 R)
• M4: 812,915 km (0.105 R)
• M5: 1,408,614 km (0.108 R)
• M6: 1,743,862 km (0.071 R)
• M7: 2,193,254 km (0.043 R)
• M8: 4,265,933 km (0.03 R)
• M9: 5,901,786 km (0.076 R)
• M10: 7,326,257 km (0.094 R)
• M11: 7,965,339 km (0.119 R)
• M12: 8,481,750 km (0.071 R)
• M13: 9,353,906 km (0.075 R)
• M14: 9,811,825 km (0.092 R)
• M15: 13,588,274 km (0.096 R)
• M16: 14,026,895 km (0.063 R)
• M17: 20,523,781 km (0.073 R)
• M18: 22,897,749 km (0.036 R)
• M19: 23,833,185 km (0.119 R)
• M20: 27,830,589 km (0.108 R)
• M21: 31,739,731 km (0.077 R)
• M22: 33,032,407 km (0.102 R)
• M23: 34,629,663 km (0.066 R)
• M24: 35,173,302 km (0.04 R)
• M25: 35,860,854 km (0.077 R)
• M26: 37,977,215 km (0.097 R)
• M27: 42,147,704 km (0.069 R)
• M28: 44,024,858 km (0.096 R)
• M29: 45,631,240 km (0.076 R)
• M30: 47,945,070 km (0.098 R)
• M31: 50,509,627 km (0.116 R)
• M32: 52,626,137 km (0.11 R)
• M33: 53,164,241 km (0.087 R)
• M34: 57,412,970 km (0.068 R)
• M35: 61,683,391 km (0.032 R)
• M36: 64,918,894 km (0.056 R)
• M37: 70,197,903 km (0.071 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 423 - 12,820 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit