🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.46 AU - 0.56 AU

Year: 139 Days

Day: 40.8 Hours

Environment

Temp: 179 °C

Axial Tilt: 22 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.49 AU - 0.63 AU

Year: 160 Days

Day: 44.1 Hours

Environment

Temp: 191 °C

Axial Tilt: 35.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 74,107,634 km

• M1: 29,172 km (0.068 R)
• M2: 89,460 km (0.117 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.53 AU - 0.63 AU

Year: 168 Days

Day: 28.4 Hours

Environment

Temp: 133 °C

Axial Tilt: 2.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 4.01 AU - 4.07 AU

Year: 3092 Days

Day: 15.6 Hours

Environment

Temp: -134 °C

Axial Tilt: 39.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 74,107,634 km

• M1: 2,668,676 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.1

Radius: 11.9

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 4.56 AU - 4.84 AU

Year: 3880 Days

Day: 8.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,107,634 km

• M1: 151,243 km (0.078 R)
• M2: 652,995 km (0.118 R)
• M3: 1,468,901 km (0.047 R)
• M4: 2,111,574 km (0.077 R)
• M5: 2,655,811 km (0.116 R)
• M6: 3,391,085 km (0.106 R)
• M7: 4,520,399 km (0.112 R)
• M8: 5,131,955 km (0.113 R)
• M9: 5,654,800 km (0.086 R)
• M10: 6,872,227 km (0.085 R)
• M11: 11,899,015 km (0.038 R)
• M12: 13,066,776 km (0.096 R)
• M13: 14,044,248 km (0.049 R)
• M14: 15,292,044 km (0.073 R)
• M15: 15,971,817 km (0.065 R)
• M16: 17,209,589 km (0.105 R)
• M17: 18,383,783 km (0.073 R)
• M18: 21,728,193 km (0.094 R)
• M19: 23,099,108 km (0.101 R)
• M20: 23,768,259 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.7

Radius: 9.7

Gravity: 9.49 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 7.07 AU - 9.59 AU

Year: 9155 Days

Day: 12.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 74,107,634 km

• M1: 120,576 km (0.065 R)
• M2: 696,677 km (0.103 R)
• M3: 1,100,741 km (0.08 R)
• M4: 1,719,179 km (0.12 R)
• M5: 2,534,936 km (0.094 R)
• M6: 5,398,239 km (0.083 R)
• M7: 6,276,079 km (0.083 R)
• M8: 6,965,127 km (0.08 R)
• M9: 10,810,541 km (0.067 R)
• M10: 17,156,482 km (0.098 R)
• M11: 18,196,187 km (0.107 R)
• M12: 20,237,600 km (0.037 R)
• M13: 21,313,657 km (0.099 R)
• M14: 24,215,856 km (0.097 R)
• M15: 26,001,157 km (0.059 R)
• M16: 28,074,584 km (0.094 R)
• M17: 28,481,639 km (0.09 R)
• M18: 28,789,512 km (0.089 R)
• M19: 30,576,458 km (0.111 R)
• M20: 31,991,953 km (0.091 R)
• M21: 32,547,859 km (0.113 R)
• M22: 33,564,676 km (0.079 R)
• M23: 34,023,343 km (0.098 R)
• M24: 41,942,306 km (0.083 R)
• M25: 43,961,279 km (0.101 R)
• M26: 44,510,453 km (0.069 R)
• M27: 46,326,721 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 911.2

Radius: 6.1

Gravity: 24.49 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 9.03 AU - 14.69 AU

Year: 15553 Days

Day: 24.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 74,107,634 km

• M1: 75,846 km (0.083 R)
• M2: 632,949 km (0.112 R)
• M3: 1,545,944 km (0.038 R)
• M4: 2,022,862 km (0.115 R)
• M5: 4,771,873 km (0.069 R)
• M6: 5,091,863 km (0.118 R)
• M7: 6,517,530 km (0.041 R)
• M8: 7,001,480 km (0.09 R)
• M9: 7,651,781 km (0.076 R)
• M10: 8,597,838 km (0.087 R)
• M11: 9,563,642 km (0.048 R)
• M12: 9,958,132 km (0.104 R)
• M13: 11,772,904 km (0.057 R)
• M14: 12,623,667 km (0.073 R)
• M15: 15,807,558 km (0.061 R)
• M16: 16,679,863 km (0.108 R)
• M17: 18,433,599 km (0.11 R)
• M18: 21,052,460 km (0.041 R)
• M19: 24,115,326 km (0.073 R)
• M20: 24,426,640 km (0.097 R)
• M21: 25,376,586 km (0.111 R)
• M22: 25,914,839 km (0.112 R)
• M23: 26,902,933 km (0.072 R)
• M24: 28,030,003 km (0.074 R)
• M25: 29,898,182 km (0.105 R)
• M26: 33,493,018 km (0.029 R)
• M27: 35,327,388 km (0.112 R)
• M28: 36,814,690 km (0.06 R)
• M29: 37,365,808 km (0.055 R)
• M30: 38,909,658 km (0.111 R)
• M31: 42,424,610 km (0.079 R)
• M32: 50,078,186 km (0.098 R)
• M33: 53,521,630 km (0.054 R)
• M34: 54,051,356 km (0.12 R)
• M35: 59,353,703 km (0.1 R)
• M36: 63,402,869 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 840.3

Radius: 6

Gravity: 23.34 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 12.48 AU - 13.04 AU

Year: 17357 Days

Day: 21.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 74,107,634 km

• M1: 74,949 km (0.099 R)
• M2: 282,142 km (0.052 R)
• M3: 703,110 km (0.036 R)
• M4: 1,203,814 km (0.098 R)
• M5: 1,665,174 km (0.091 R)
• M6: 2,592,681 km (0.11 R)
• M7: 2,783,867 km (0.054 R)
• M8: 3,442,995 km (0.052 R)
• M9: 4,104,966 km (0.116 R)
• M10: 4,466,244 km (0.108 R)
• M11: 6,210,556 km (0.034 R)
• M12: 7,094,380 km (0.104 R)
• M13: 7,760,988 km (0.09 R)
• M14: 11,538,933 km (0.114 R)
• M15: 11,993,112 km (0.092 R)
• M16: 12,799,444 km (0.1 R)
• M17: 17,379,383 km (0.113 R)
• M18: 17,804,241 km (0.108 R)
• M19: 25,795,759 km (0.103 R)
• M20: 26,683,922 km (0.097 R)
• M21: 27,135,558 km (0.098 R)
• M22: 27,938,150 km (0.049 R)
• M23: 32,959,702 km (0.099 R)
• M24: 35,478,033 km (0.113 R)
• M25: 39,564,747 km (0.082 R)
• M26: 41,193,419 km (0.079 R)
• M27: 45,861,770 km (0.094 R)
• M28: 46,509,828 km (0.118 R)
• M29: 55,131,303 km (0.12 R)
• M30: 57,723,236 km (0.104 R)
• M31: 61,173,561 km (0.086 R)
• M32: 65,574,282 km (0.071 R)
• M33: 67,642,622 km (0.032 R)
• M34: 72,126,669 km (0.12 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: 543 - 11,611 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit