🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.69 AU - 0.89 AU

Year: 269 Days

Day: 14.2 Hours

Environment

Temp: 163 °C

Axial Tilt: 2.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 63,836,562 km

• M1: 56,548 km (0.118 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.19 AU - 1.35 AU

Year: 548 Days

Day: 36.7 Hours

Environment

Temp: -41 °C

Axial Tilt: 26.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 63,836,562 km

• M1: 784,940 km (0.099 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.48

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.29 AU - 1.31 AU

Year: 568 Days

Day: 29.1 Hours

Environment

Temp: -32 °C

Axial Tilt: 22 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 63,836,562 km

• M1: 476,320 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.1

Radius: 8.4

Gravity: 8.16 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 6.3 AU - 6.5 AU

Year: 6199 Days

Day: 6.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,836,562 km

• M1: 144,661 km (0.099 R)
• M2: 468,092 km (0.1 R)
• M3: 786,436 km (0.097 R)
• M4: 1,861,446 km (0.109 R)
• M5: 2,657,307 km (0.096 R)
• M6: 3,132,579 km (0.088 R)
• M7: 3,596,482 km (0.107 R)
• M8: 4,105,714 km (0.118 R)
• M9: 5,182,220 km (0.099 R)
• M10: 6,602,053 km (0.09 R)
• M11: 7,011,652 km (0.112 R)
• M12: 9,834,714 km (0.035 R)
• M13: 11,064,857 km (0.027 R)
• M14: 12,394,483 km (0.107 R)
• M15: 12,703,851 km (0.079 R)
• M16: 16,518,298 km (0.118 R)
• M17: 20,312,997 km (0.096 R)
• M18: 21,253,369 km (0.057 R)
• M19: 23,455,301 km (0.098 R)
• M20: 24,895,928 km (0.031 R)
• M21: 26,564,842 km (0.094 R)
• M22: 31,155,851 km (0.116 R)
• M23: 31,632,619 km (0.056 R)
• M24: 32,114,175 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.1

Radius: 12.3

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 5.37 AU - 8.25 AU

Year: 6804 Days

Day: 12.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,836,562 km

• M1: 153,039 km (0.104 R)
• M2: 555,008 km (0.047 R)
• M3: 1,273,527 km (0.101 R)
• M4: 2,009,548 km (0.079 R)
• M5: 3,502,535 km (0.102 R)
• M6: 4,781,597 km (0.117 R)
• M7: 5,271,081 km (0.102 R)
• M8: 7,842,818 km (0.093 R)
• M9: 8,945,653 km (0.113 R)
• M10: 12,712,827 km (0.112 R)
• M11: 13,599,045 km (0.04 R)
• M12: 15,680,998 km (0.077 R)
• M13: 18,311,527 km (0.081 R)
• M14: 19,513,845 km (0.077 R)
• M15: 21,840,840 km (0.045 R)
• M16: 22,789,291 km (0.11 R)
• M17: 24,013,450 km (0.063 R)
• M18: 25,280,843 km (0.071 R)
• M19: 25,974,678 km (0.103 R)
• M20: 26,414,795 km (0.074 R)
• M21: 29,732,278 km (0.074 R)
• M22: 33,733,422 km (0.032 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595

Radius: 8.4

Gravity: 8.43 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 7.33 AU - 11.71 AU

Year: 11247 Days

Day: 9.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 63,836,562 km

• M1: 104,569 km (0.079 R)
• M2: 529,726 km (0.118 R)
• M3: 942,317 km (0.093 R)
• M4: 1,223,112 km (0.084 R)
• M5: 1,546,543 km (0.08 R)
• M6: 1,846,187 km (0.077 R)
• M7: 2,350,183 km (0.11 R)
• M8: 2,665,834 km (0.093 R)
• M9: 3,481,292 km (0.104 R)
• M10: 4,877,339 km (0.069 R)
• M11: 6,728,912 km (0.114 R)
• M12: 7,084,506 km (0.116 R)
• M13: 8,451,233 km (0.07 R)
• M14: 9,244,849 km (0.097 R)
• M15: 9,635,150 km (0.074 R)
• M16: 10,138,397 km (0.108 R)
• M17: 12,801,838 km (0.096 R)
• M18: 13,847,377 km (0.079 R)
• M19: 14,816,472 km (0.114 R)
• M20: 18,297,166 km (0.088 R)
• M21: 18,835,270 km (0.067 R)
• M22: 22,549,485 km (0.079 R)
• M23: 23,167,923 km (0.106 R)
• M24: 25,947,601 km (0.069 R)
• M25: 27,718,092 km (0.064 R)
• M26: 28,122,156 km (0.114 R)
• M27: 28,942,102 km (0.104 R)
• M28: 35,845,744 km (0.116 R)
• M29: 37,297,741 km (0.059 R)
• M30: 42,688,949 km (0.111 R)
• M31: 44,319,716 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 18.9

Radius: 6

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 12.33 AU - 13.83 AU

Year: 18113 Days

Day: 20.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,836,562 km

• M1: 84,373 km (0.115 R)
• M2: 421,866 km (0.116 R)
• M3: 1,779,766 km (0.118 R)
• M4: 2,329,837 km (0.055 R)
• M5: 4,777,109 km (0.093 R)
• M6: 8,978,565 km (0.084 R)
• M7: 9,751,986 km (0.074 R)
• M8: 10,449,411 km (0.059 R)
• M9: 11,096,721 km (0.108 R)
• M10: 12,205,391 km (0.094 R)
• M11: 16,939,116 km (0.057 R)
• M12: 18,637,651 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 176.6

Radius: 7.2

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 16.06 AU - 20.78 AU

Year: 30269 Days

Day: 21 Hours

Environment

Temp: -209 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 63,836,562 km

• M1: 89,609 km (0.096 R)
• M2: 948,899 km (0.069 R)
• M3: 1,429,856 km (0.119 R)
• M4: 1,660,387 km (0.082 R)
• M5: 3,813,100 km (0.11 R)
• M6: 4,812,414 km (0.103 R)
• M7: 5,157,835 km (0.028 R)
• M8: 5,937,240 km (0.086 R)
• M9: 6,457,691 km (0.119 R)
• M10: 6,878,360 km (0.085 R)
• M11: 8,796,804 km (0.09 R)
• M12: 9,960,974 km (0.087 R)
• M13: 10,580,160 km (0.09 R)
• M14: 10,928,573 km (0.1 R)
• M15: 13,049,123 km (0.092 R)
• M16: 13,315,407 km (0.025 R)
• M17: 20,759,098 km (0.106 R)
• M18: 24,583,717 km (0.067 R)
• M19: 26,982,818 km (0.087 R)
• M20: 33,096,584 km (0.104 R)
• M21: 39,376,553 km (0.067 R)
• M22: 40,354,026 km (0.052 R)
• M23: 42,795,014 km (0.08 R)
• M24: 48,923,590 km (0.036 R)
• M25: 54,057,191 km (0.099 R)
• M26: 55,437,979 km (0.084 R)
• M27: 60,640,394 km (0.082 R)
• M28: 63,074,651 km (0.056 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 181 - 13,207 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit