🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.86 AU - 1 AU

Year: 331 Days

Day: 42.2 Hours

Environment

Temp: 41 °C

Axial Tilt: 12.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.9

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.96 AU - 1.56 AU

Year: 522 Days

Day: 12.1 Hours

Environment

Temp: 6 °C

Axial Tilt: 98.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.41 AU - 1.85 AU

Year: 768 Days

Day: 40.5 Hours

Environment

Temp: -48 °C

Axial Tilt: 37.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,098,648 km

• M1: 1,364,632 km (0.083 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.3 AU - 1.96 AU

Year: 768 Days

Day: 31.2 Hours

Environment

Temp: -51 °C

Axial Tilt: 8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.95

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.5 AU - 2.48 AU

Year: 1036 Days

Day: 32.6 Hours

Environment

Temp: -77 °C

Axial Tilt: 14.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.68

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.94 AU - 3.58 AU

Year: 2172 Days

Day: 27.6 Hours

Environment

Temp: -113 °C

Axial Tilt: 0.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.4

Radius: 10.2

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 3.88 AU - 5.94 AU

Year: 4014 Days

Day: 5.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 46,098,648 km

• M1: 127,009 km (0.109 R)
• M2: 222,751 km (0.102 R)
• M3: 369,507 km (0.086 R)
• M4: 469,887 km (0.107 R)
• M5: 603,029 km (0.107 R)
• M6: 693,237 km (0.045 R)
• M7: 838,047 km (0.104 R)
• M8: 988,094 km (0.057 R)
• M9: 1,204,562 km (0.1 R)
• M10: 1,454,989 km (0.115 R)
• M11: 1,592,918 km (0.114 R)
• M12: 1,861,895 km (0.092 R)
• M13: 2,061,010 km (0.08 R)
• M14: 2,195,349 km (0.025 R)
• M15: 2,547,801 km (0.08 R)
• M16: 2,623,647 km (0.082 R)
• M17: 2,831,888 km (0.094 R)
• M18: 3,053,741 km (0.11 R)
• M19: 3,240,290 km (0.055 R)
• M20: 3,347,402 km (0.084 R)
• M21: 3,761,788 km (0.088 R)
• M22: 4,068,015 km (0.096 R)
• M23: 4,510,077 km (0.055 R)
• M24: 4,667,154 km (0.074 R)
• M25: 4,835,452 km (0.025 R)
• M26: 4,910,849 km (0.037 R)
• M27: 5,062,841 km (0.085 R)
• M28: 5,187,605 km (0.038 R)
• M29: 5,352,313 km (0.117 R)
• M30: 5,420,529 km (0.049 R)
• M31: 5,587,630 km (0.094 R)
• M32: 5,927,068 km (0.104 R)
• M33: 6,068,737 km (0.113 R)
• M34: 6,150,268 km (0.088 R)
• M35: 6,688,820 km (0.099 R)
• M36: 6,783,665 km (0.069 R)
• M37: 6,868,188 km (0.095 R)
• M38: 7,178,005 km (0.092 R)

Planet 8 - Gas Giant

Semi-Major Axis: 12.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.5

Radius: 14.1

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 10 AU - 14.1 AU

Year: 15433 Days

Day: 11.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (53)

Outer Limit: 46,098,648 km

• M1: 469,438 km (0.115 R)
• M2: 844,330 km (0.102 R)
• M3: 1,404,275 km (0.09 R)
• M4: 1,765,554 km (0.108 R)
• M5: 1,914,254 km (0.085 R)
• M6: 2,316,373 km (0.088 R)
• M7: 2,894,120 km (0.068 R)
• M8: 3,436,113 km (0.054 R)
• M9: 3,898,371 km (0.104 R)
• M10: 4,151,191 km (0.101 R)
• M11: 4,322,780 km (0.115 R)
• M12: 4,911,896 km (0.054 R)
• M13: 5,124,176 km (0.115 R)
• M14: 6,362,248 km (0.116 R)
• M15: 6,494,343 km (0.095 R)
• M16: 6,963,930 km (0.097 R)
• M17: 7,829,953 km (0.059 R)
• M18: 8,185,846 km (0.055 R)
• M19: 8,547,274 km (0.1 R)
• M20: 9,776,670 km (0.086 R)
• M21: 10,784,211 km (0.095 R)
• M22: 11,180,496 km (0.072 R)
• M23: 12,522,239 km (0.08 R)
• M24: 13,275,465 km (0.068 R)
• M25: 13,743,108 km (0.075 R)
• M26: 14,432,903 km (0.079 R)
• M27: 14,650,718 km (0.06 R)
• M28: 15,488,616 km (0.074 R)
• M29: 15,711,816 km (0.107 R)
• M30: 17,534,965 km (0.06 R)
• M31: 18,141,883 km (0.107 R)
• M32: 18,993,544 km (0.04 R)
• M33: 20,198,106 km (0.105 R)
• M34: 22,478,426 km (0.11 R)
• M35: 23,137,704 km (0.12 R)
• M36: 24,371,288 km (0.055 R)
• M37: 24,839,380 km (0.116 R)
• M38: 24,996,159 km (0.086 R)
• M39: 26,208,500 km (0.1 R)
• M40: 26,795,073 km (0.053 R)
• M41: 27,332,129 km (0.096 R)
• M42: 28,089,992 km (0.118 R)
• M43: 28,253,203 km (0.069 R)
• M44: 29,294,853 km (0.101 R)
• M45: 29,848,066 km (0.102 R)
• M46: 31,133,561 km (0.109 R)
• M47: 32,209,170 km (0.099 R)
• M48: 35,508,551 km (0.07 R)
• M49: 38,550,623 km (0.066 R)
• M50: 39,217,531 km (0.092 R)
• M51: 39,582,998 km (0.102 R)
• M52: 40,072,034 km (0.072 R)
• M53: 40,747,767 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 96.8

Radius: 6.6

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 15.64 AU - 17.68 AU

Year: 25089 Days

Day: 16.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 46,098,648 km

• M1: 309,368 km (0.076 R)
• M2: 581,188 km (0.11 R)
• M3: 1,559,109 km (0.104 R)
• M4: 2,339,262 km (0.072 R)
• M5: 2,466,719 km (0.04 R)
• M6: 2,544,361 km (0.112 R)
• M7: 3,508,818 km (0.088 R)
• M8: 4,259,799 km (0.033 R)
• M9: 4,384,564 km (0.106 R)
• M10: 4,830,515 km (0.096 R)
• M11: 5,058,951 km (0.045 R)
• M12: 6,288,646 km (0.093 R)
• M13: 6,430,764 km (0.068 R)
• M14: 7,530,308 km (0.117 R)
• M15: 7,643,404 km (0.12 R)
• M16: 8,256,306 km (0.075 R)
• M17: 8,884,917 km (0.115 R)
• M18: 10,104,588 km (0.098 R)
• M19: 10,271,240 km (0.113 R)
• M20: 11,376,020 km (0.079 R)
• M21: 12,074,493 km (0.084 R)
• M22: 12,206,887 km (0.095 R)
• M23: 12,473,470 km (0.033 R)
• M24: 13,238,813 km (0.063 R)
• M25: 13,466,800 km (0.078 R)
• M26: 16,989,980 km (0.117 R)
• M27: 18,647,375 km (0.09 R)
• M28: 22,710,154 km (0.058 R)
• M29: 23,092,526 km (0.109 R)
• M30: 23,753,150 km (0.11 R)
• M31: 26,859,101 km (0.085 R)
• M32: 28,547,612 km (0.098 R)
• M33: 28,901,261 km (0.113 R)
• M34: 29,970,737 km (0.105 R)
• M35: 32,700,599 km (0.084 R)
• M36: 33,194,272 km (0.045 R)
• M37: 33,442,006 km (0.06 R)
• M38: 34,376,394 km (0.081 R)
• M39: 34,438,926 km (0.104 R)
• M40: 35,445,719 km (0.05 R)
• M41: 37,359,375 km (0.052 R)
• M42: 37,875,339 km (0.071 R)
• M43: 39,044,745 km (0.083 R)
• M44: 39,962,528 km (0.087 R)
• M45: 40,953,763 km (0.08 R)
• M46: 41,419,013 km (0.051 R)
• M47: 42,354,897 km (0.114 R)
• M48: 42,489,236 km (0.07 R)
• M49: 42,623,725 km (0.111 R)
• M50: 43,771,888 km (0.101 R)
• M51: 44,930,224 km (0.08 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 541 - 11,436 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit