🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.36

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.66 AU - 0.68 AU

Year: 349 Days

Day: 14.2 Hours

Environment

Temp: -126 °C

Axial Tilt: 28.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.8

Radius: 13

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.62 AU - 0.96 AU

Year: 446 Days

Day: 14.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 89,080,137 km

• M1: 161,715 km (0.085 R)
• M2: 574,306 km (0.086 R)
• M3: 1,275,771 km (0.046 R)
• M4: 1,989,951 km (0.091 R)
• M5: 2,499,780 km (0.117 R)
• M6: 3,036,837 km (0.105 R)
• M7: 3,583,019 km (0.06 R)
• M8: 4,011,317 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.1

Radius: 10.8

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.04 AU - 1.18 AU

Year: 744 Days

Day: 10.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 89,080,137 km

• M1: 134,488 km (0.073 R)
• M2: 489,933 km (0.049 R)
• M3: 988,393 km (0.083 R)
• M4: 1,903,184 km (0.114 R)
• M5: 2,254,739 km (0.08 R)
• M6: 2,706,973 km (0.11 R)
• M7: 3,232,212 km (0.112 R)
• M8: 4,703,058 km (0.077 R)
• M9: 5,317,307 km (0.097 R)
• M10: 5,905,376 km (0.112 R)
• M11: 6,431,512 km (0.079 R)
• M12: 6,988,764 km (0.079 R)
• M13: 8,102,071 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.4

Radius: 8.9

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.27 AU - 2.87 AU

Year: 2620 Days

Day: 8.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 89,080,137 km

• M1: 110,702 km (0.109 R)
• M2: 389,702 km (0.025 R)
• M3: 678,726 km (0.043 R)
• M4: 1,286,691 km (0.038 R)
• M5: 1,636,601 km (0.094 R)
• M6: 2,198,640 km (0.111 R)
• M7: 3,177,459 km (0.116 R)
• M8: 3,859,027 km (0.099 R)
• M9: 4,753,772 km (0.082 R)
• M10: 5,803,500 km (0.107 R)
• M11: 6,668,026 km (0.062 R)
• M12: 7,506,372 km (0.045 R)
• M13: 7,866,454 km (0.115 R)
• M14: 8,383,913 km (0.041 R)
• M15: 8,923,962 km (0.096 R)
• M16: 10,106,982 km (0.103 R)
• M17: 11,283,120 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.4

Radius: 9.6

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.86 AU - 3.46 AU

Year: 3572 Days

Day: 12.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 89,080,137 km

• M1: 128,056 km (0.084 R)
• M2: 532,120 km (0.088 R)
• M3: 955,332 km (0.106 R)
• M4: 1,255,725 km (0.096 R)
• M5: 1,576,762 km (0.079 R)
• M6: 2,404,337 km (0.115 R)
• M7: 2,758,734 km (0.111 R)
• M8: 3,440,452 km (0.038 R)
• M9: 4,059,189 km (0.088 R)
• M10: 4,587,867 km (0.112 R)
• M11: 5,112,058 km (0.04 R)
• M12: 5,890,865 km (0.075 R)
• M13: 6,251,994 km (0.086 R)
• M14: 6,657,554 km (0.062 R)
• M15: 7,142,401 km (0.114 R)
• M16: 7,489,318 km (0.107 R)
• M17: 9,100,188 km (0.055 R)
• M18: 10,562,208 km (0.1 R)
• M19: 11,096,572 km (0.058 R)
• M20: 11,477,149 km (0.081 R)
• M21: 12,670,940 km (0.093 R)
• M22: 15,935,016 km (0.085 R)
• M23: 20,594,690 km (0.044 R)
• M24: 21,105,417 km (0.071 R)
• M25: 21,559,297 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.3

Radius: 9

Gravity: 8.45 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.99 AU - 6.61 AU

Year: 7758 Days

Day: 10.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 89,080,137 km

• M1: 112,049 km (0.111 R)
• M2: 464,651 km (0.07 R)
• M3: 829,221 km (0.046 R)
• M4: 1,190,350 km (0.1 R)
• M5: 2,414,210 km (0.102 R)
• M6: 3,619,371 km (0.116 R)
• M7: 4,629,605 km (0.114 R)
• M8: 5,307,732 km (0.101 R)
• M9: 6,751,202 km (0.092 R)
• M10: 10,441,931 km (0.108 R)
• M11: 14,673,906 km (0.08 R)
• M12: 15,486,222 km (0.087 R)
• M13: 16,526,675 km (0.039 R)
• M14: 16,861,176 km (0.12 R)
• M15: 19,627,839 km (0.051 R)
• M16: 19,927,783 km (0.079 R)
• M17: 21,951,992 km (0.084 R)
• M18: 24,367,249 km (0.077 R)
• M19: 24,975,813 km (0.045 R)
• M20: 26,132,803 km (0.102 R)
• M21: 27,232,048 km (0.09 R)
• M22: 30,514,076 km (0.076 R)
• M23: 31,322,952 km (0.102 R)
• M24: 32,250,010 km (0.119 R)
• M25: 33,943,009 km (0.033 R)
• M26: 36,819,178 km (0.078 R)
• M27: 37,620,424 km (0.091 R)
• M28: 38,785,193 km (0.052 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.7

Radius: 8.6

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 5.74 AU - 5.98 AU

Year: 9019 Days

Day: 9.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 89,080,137 km

• M1: 107,411 km (0.085 R)
• M2: 408,552 km (0.041 R)
• M3: 819,048 km (0.105 R)
• M4: 1,104,631 km (0.047 R)
• M5: 1,930,261 km (0.091 R)
• M6: 2,310,689 km (0.075 R)
• M7: 2,798,228 km (0.05 R)
• M8: 3,396,470 km (0.061 R)
• M9: 4,517,407 km (0.117 R)
• M10: 4,931,494 km (0.086 R)
• M11: 6,395,159 km (0.084 R)
• M12: 9,474,482 km (0.089 R)
• M13: 9,742,561 km (0.092 R)
• M14: 12,981,056 km (0.114 R)
• M15: 14,992,250 km (0.071 R)
• M16: 15,665,141 km (0.109 R)
• M17: 16,294,050 km (0.097 R)
• M18: 17,602,433 km (0.077 R)
• M19: 18,628,525 km (0.111 R)
• M20: 21,482,853 km (0.037 R)
• M21: 22,259,116 km (0.083 R)
• M22: 22,813,526 km (0.081 R)
• M23: 23,867,592 km (0.044 R)
• M24: 25,294,457 km (0.114 R)
• M25: 33,393,985 km (0.041 R)
• M26: 34,857,800 km (0.115 R)
• M27: 35,390,667 km (0.088 R)
• M28: 36,037,529 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 814.9

Radius: 5.5

Gravity: 26.94 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 8.42 AU - 13.6 AU

Year: 23228 Days

Day: 21 Hours

Environment

Temp: -230 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 89,080,137 km

• M1: 68,965 km (0.105 R)
• M2: 406,308 km (0.082 R)
• M3: 802,144 km (0.096 R)
• M4: 1,475,933 km (0.111 R)
• M5: 1,762,712 km (0.098 R)
• M6: 2,544,510 km (0.105 R)
• M7: 3,414,871 km (0.062 R)
• M8: 5,308,032 km (0.116 R)
• M9: 6,113,766 km (0.048 R)
• M10: 6,853,378 km (0.091 R)
• M11: 8,233,717 km (0.103 R)
• M12: 9,789,834 km (0.077 R)
• M13: 10,476,488 km (0.094 R)
• M14: 11,328,897 km (0.061 R)
• M15: 12,801,987 km (0.111 R)
• M16: 13,096,396 km (0.084 R)
• M17: 13,698,827 km (0.096 R)
• M18: 23,402,343 km (0.099 R)
• M19: 24,626,203 km (0.097 R)
• M20: 34,695,486 km (0.044 R)
• M21: 35,124,084 km (0.079 R)
• M22: 36,726,128 km (0.079 R)
• M23: 38,681,521 km (0.11 R)
• M24: 39,296,817 km (0.11 R)
• M25: 43,622,141 km (0.047 R)
• M26: 49,146,640 km (0.069 R)
• M27: 49,868,301 km (0.106 R)
• M28: 50,780,399 km (0.12 R)
• M29: 50,964,105 km (0.093 R)
• M30: 51,518,066 km (0.088 R)
• M31: 52,826,000 km (0.086 R)
• M32: 60,727,460 km (0.096 R)
• M33: 63,455,677 km (0.064 R)
• M34: 63,668,854 km (0.099 R)
• M35: 64,957,939 km (0.091 R)
• M36: 66,264,377 km (0.042 R)
• M37: 73,294,579 km (0.111 R)
• M38: 79,808,818 km (0.071 R)
• M39: 87,751,568 km (0.078 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 240 - 17,858 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit