🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.3

Radius: 9.7

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.52 AU - 0.52 AU

Year: 250 Days

Day: 8.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,289,450 km

• M1: 120,576 km (0.086 R)
• M2: 468,989 km (0.104 R)
• M3: 822,190 km (0.063 R)
• M4: 1,314,965 km (0.025 R)
• M5: 1,718,580 km (0.067 R)
• M6: 2,181,436 km (0.074 R)
• M7: 2,568,895 km (0.088 R)
• M8: 2,936,008 km (0.054 R)
• M9: 3,866,656 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187

Radius: 11.3

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.75 AU - 0.89 AU

Year: 495 Days

Day: 13 Hours

Environment

Temp: -165 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,289,450 km

• M1: 140,622 km (0.064 R)
• M2: 553,213 km (0.097 R)
• M3: 1,823,000 km (0.08 R)
• M4: 2,254,440 km (0.063 R)
• M5: 3,296,090 km (0.051 R)
• M6: 3,647,944 km (0.051 R)
• M7: 4,084,471 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.2

Radius: 10.8

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.96 AU - 1.46 AU

Year: 888 Days

Day: 13.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,289,450 km

• M1: 134,488 km (0.104 R)
• M2: 484,996 km (0.055 R)
• M3: 900,579 km (0.076 R)
• M4: 1,250,638 km (0.101 R)
• M5: 1,752,090 km (0.096 R)
• M6: 2,353,623 km (0.107 R)
• M7: 2,951,865 km (0.07 R)
• M8: 3,441,200 km (0.09 R)
• M9: 6,367,783 km (0.115 R)
• M10: 6,921,893 km (0.098 R)
• M11: 7,301,274 km (0.087 R)
• M12: 7,647,742 km (0.103 R)
• M13: 8,029,217 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59

Radius: 9.7

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.64 AU - 1.64 AU

Year: 1401 Days

Day: 11.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,289,450 km

• M1: 122,072 km (0.111 R)
• M2: 437,125 km (0.03 R)
• M3: 794,365 km (0.084 R)
• M4: 1,401,582 km (0.105 R)
• M5: 1,734,587 km (0.111 R)
• M6: 2,087,040 km (0.104 R)
• M7: 2,394,314 km (0.112 R)
• M8: 3,079,472 km (0.095 R)
• M9: 3,385,699 km (0.105 R)
• M10: 3,749,970 km (0.115 R)
• M11: 4,180,961 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.4

Radius: 12

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.03 AU - 2.13 AU

Year: 2000 Days

Day: 13.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,289,450 km

• M1: 149,299 km (0.027 R)
• M2: 606,919 km (0.118 R)
• M3: 1,106,426 km (0.089 R)
• M4: 1,611,169 km (0.097 R)
• M5: 2,018,823 km (0.038 R)
• M6: 2,608,987 km (0.052 R)
• M7: 3,064,363 km (0.105 R)
• M8: 4,156,726 km (0.089 R)
• M9: 5,712,095 km (0.082 R)
• M10: 6,379,003 km (0.119 R)
• M11: 6,786,956 km (0.09 R)
• M12: 7,241,285 km (0.04 R)
• M13: 8,402,464 km (0.095 R)
• M14: 9,897,545 km (0.111 R)
• M15: 11,286,411 km (0.115 R)
• M16: 12,379,224 km (0.098 R)
• M17: 12,886,959 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.2

Radius: 10.2

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.02 AU - 2.72 AU

Year: 2433 Days

Day: 5.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,289,450 km

• M1: 128,205 km (0.093 R)
• M2: 567,275 km (0.032 R)
• M3: 1,010,534 km (0.042 R)
• M4: 1,507,049 km (0.11 R)
• M5: 2,161,390 km (0.054 R)
• M6: 2,837,872 km (0.029 R)
• M7: 3,294,295 km (0.075 R)
• M8: 3,837,185 km (0.106 R)
• M9: 4,211,180 km (0.078 R)
• M10: 4,696,625 km (0.089 R)
• M11: 5,219,171 km (0.115 R)
• M12: 6,353,571 km (0.095 R)
• M13: 8,368,954 km (0.107 R)
• M14: 8,697,770 km (0.119 R)
• M15: 9,172,593 km (0.051 R)
• M16: 10,625,039 km (0.088 R)
• M17: 12,225,288 km (0.064 R)
• M18: 12,908,351 km (0.112 R)
• M19: 13,259,308 km (0.116 R)
• M20: 16,814,950 km (0.093 R)
• M21: 17,552,617 km (0.093 R)

Asteroid Belt

Center: 3.28 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.4

Radius: 11.3

Gravity: 7.37 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3.35 AU - 5.01 AU

Year: 5699 Days

Day: 7.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 76.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,289,450 km

• M1: 140,622 km (0.071 R)
• M2: 567,425 km (0.101 R)
• M3: 924,515 km (0.029 R)
• M4: 1,440,029 km (0.112 R)
• M5: 2,004,013 km (0.072 R)
• M6: 2,441,138 km (0.111 R)
• M7: 3,021,578 km (0.115 R)
• M8: 3,399,761 km (0.063 R)
• M9: 3,785,873 km (0.104 R)
• M10: 4,381,273 km (0.112 R)
• M11: 4,896,189 km (0.079 R)
• M12: 5,728,402 km (0.109 R)
• M13: 7,944,096 km (0.084 R)
• M14: 8,464,098 km (0.119 R)
• M15: 10,442,081 km (0.114 R)
• M16: 11,463,386 km (0.102 R)
• M17: 12,390,743 km (0.097 R)
• M18: 12,818,593 km (0.107 R)
• M19: 14,104,087 km (0.113 R)
• M20: 19,533,443 km (0.102 R)
• M21: 21,385,016 km (0.118 R)
• M22: 23,189,465 km (0.108 R)
• M23: 24,087,352 km (0.11 R)
• M24: 31,033,629 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 717.8

Radius: 3.2

Gravity: 70.1 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 6.39 AU - 9.67 AU

Year: 15174 Days

Day: 24.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 64,289,450 km

• M1: 41,289 km (0.118 R)
• M2: 269,875 km (0.032 R)
• M3: 378,333 km (0.113 R)
• M4: 538,552 km (0.069 R)
• M5: 831,764 km (0.074 R)
• M6: 1,527,095 km (0.03 R)
• M7: 5,219,769 km (0.094 R)
• M8: 5,512,831 km (0.116 R)
• M9: 6,499,728 km (0.095 R)
• M10: 6,667,876 km (0.04 R)
• M11: 6,838,867 km (0.092 R)
• M12: 7,189,823 km (0.086 R)
• M13: 7,738,399 km (0.111 R)
• M14: 8,070,955 km (0.104 R)
• M15: 13,917,688 km (0.038 R)
• M16: 14,056,964 km (0.112 R)
• M17: 15,057,774 km (0.112 R)
• M18: 15,204,529 km (0.099 R)
• M19: 15,876,822 km (0.096 R)
• M20: 17,521,950 km (0.09 R)
• M21: 18,177,488 km (0.094 R)
• M22: 19,537,332 km (0.117 R)
• M23: 25,034,007 km (0.11 R)
• M24: 25,447,196 km (0.102 R)
• M25: 26,393,253 km (0.062 R)
• M26: 28,579,177 km (0.112 R)
• M27: 29,601,080 km (0.031 R)
• M28: 33,806,725 km (0.082 R)
• M29: 34,949,055 km (0.043 R)
• M30: 39,636,554 km (0.072 R)
• M31: 39,776,279 km (0.066 R)
• M32: 44,273,490 km (0.08 R)
• M33: 45,486,729 km (0.074 R)
• M34: 49,420,554 km (0.119 R)
• M35: 51,719,425 km (0.069 R)
• M36: 53,575,037 km (0.111 R)
• M37: 56,352,471 km (0.102 R)
• M38: 57,597,275 km (0.086 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 279 - 15,765 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit