🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.54 AU - 0.68 AU

Year: 313 Days

Day: 40.3 Hours

Environment

Temp: -121 °C

Axial Tilt: 13.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.53 AU - 0.69 AU

Year: 313 Days

Day: 34.8 Hours

Environment

Temp: -126 °C

Axial Tilt: 18.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.19 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.6

Radius: 11.2

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.67 AU - 1.85 AU

Year: 1532 Days

Day: 12.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,938,898 km

• M1: 139,276 km (0.079 R)
• M2: 672,891 km (0.08 R)
• M3: 1,264,700 km (0.107 R)
• M4: 1,716,636 km (0.06 R)
• M5: 2,084,048 km (0.115 R)
• M6: 2,529,550 km (0.101 R)
• M7: 2,953,511 km (0.11 R)
• M8: 3,518,841 km (0.087 R)
• M9: 4,015,057 km (0.087 R)
• M10: 4,408,350 km (0.07 R)
• M11: 4,768,731 km (0.091 R)
• M12: 5,148,710 km (0.099 R)
• M13: 5,505,950 km (0.116 R)
• M14: 7,078,822 km (0.08 R)
• M15: 7,495,003 km (0.096 R)
• M16: 8,066,168 km (0.099 R)
• M17: 8,754,318 km (0.101 R)
• M18: 11,509,761 km (0.11 R)
• M19: 12,160,063 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.8

Radius: 12.4

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.85 AU - 2.71 AU

Year: 2258 Days

Day: 5.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,938,898 km

• M1: 154,235 km (0.097 R)
• M2: 633,996 km (0.102 R)
• M3: 1,190,201 km (0.074 R)
• M4: 2,216,143 km (0.108 R)
• M5: 2,901,750 km (0.093 R)
• M6: 3,595,585 km (0.061 R)
• M7: 4,090,903 km (0.055 R)
• M8: 5,057,006 km (0.048 R)
• M9: 6,038,069 km (0.108 R)
• M10: 7,680,953 km (0.101 R)
• M11: 8,279,045 km (0.05 R)
• M12: 8,942,063 km (0.088 R)
• M13: 9,356,599 km (0.043 R)
• M14: 9,820,203 km (0.108 R)
• M15: 10,299,065 km (0.118 R)
• M16: 11,544,767 km (0.115 R)
• M17: 12,758,305 km (0.09 R)
• M18: 13,508,089 km (0.107 R)
• M19: 16,804,927 km (0.07 R)
• M20: 17,224,998 km (0.105 R)
• M21: 18,251,239 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.9

Radius: 11.3

Gravity: 6.13 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.42 AU - 3.9 AU

Year: 3685 Days

Day: 11.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,938,898 km

• M1: 140,472 km (0.062 R)
• M2: 727,345 km (0.029 R)
• M3: 1,174,343 km (0.083 R)
• M4: 1,719,478 km (0.116 R)
• M5: 2,537,778 km (0.081 R)
• M6: 2,903,545 km (0.062 R)
• M7: 4,835,153 km (0.062 R)
• M8: 6,638,406 km (0.098 R)
• M9: 7,845,660 km (0.108 R)
• M10: 8,338,885 km (0.112 R)
• M11: 9,862,838 km (0.108 R)
• M12: 10,648,526 km (0.084 R)
• M13: 11,165,985 km (0.104 R)
• M14: 13,504,798 km (0.034 R)
• M15: 14,265,803 km (0.095 R)
• M16: 17,778,061 km (0.068 R)
• M17: 20,285,322 km (0.113 R)
• M18: 21,555,108 km (0.049 R)
• M19: 23,522,021 km (0.075 R)
• M20: 23,958,548 km (0.08 R)
• M21: 25,529,325 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.8

Radius: 13.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 5.08 AU - 6.64 AU

Year: 9306 Days

Day: 6.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,938,898 km

• M1: 166,353 km (0.072 R)
• M2: 871,108 km (0.073 R)
• M3: 1,284,148 km (0.077 R)
• M4: 2,773,694 km (0.114 R)
• M5: 3,235,652 km (0.074 R)
• M6: 4,060,086 km (0.046 R)
• M7: 6,851,134 km (0.082 R)
• M8: 7,354,231 km (0.097 R)
• M9: 8,895,837 km (0.082 R)
• M10: 9,495,575 km (0.107 R)
• M11: 9,952,447 km (0.035 R)
• M12: 10,380,447 km (0.101 R)
• M13: 12,412,435 km (0.051 R)
• M14: 13,522,301 km (0.103 R)
• M15: 15,823,416 km (0.071 R)
• M16: 17,127,909 km (0.111 R)
• M17: 18,502,713 km (0.098 R)
• M18: 20,770,468 km (0.09 R)
• M19: 22,846,587 km (0.104 R)
• M20: 23,744,772 km (0.118 R)
• M21: 25,611,754 km (0.098 R)
• M22: 27,911,522 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 722.9

Radius: 6

Gravity: 20.08 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 4.92 AU - 6.92 AU

Year: 9449 Days

Day: 19.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 67,938,898 km

• M1: 74,649 km (0.101 R)
• M2: 699,220 km (0.027 R)
• M3: 1,918,593 km (0.079 R)
• M4: 2,318,767 km (0.108 R)
• M5: 3,452,270 km (0.083 R)
• M6: 4,181,260 km (0.108 R)
• M7: 5,904,179 km (0.105 R)
• M8: 7,711,471 km (0.12 R)
• M9: 8,138,723 km (0.089 R)
• M10: 8,763,443 km (0.034 R)
• M11: 11,419,404 km (0.081 R)
• M12: 11,750,464 km (0.074 R)
• M13: 11,974,562 km (0.082 R)
• M14: 12,258,798 km (0.071 R)
• M15: 14,185,618 km (0.116 R)
• M16: 15,220,835 km (0.118 R)
• M17: 20,589,005 km (0.084 R)
• M18: 21,327,420 km (0.086 R)
• M19: 22,425,170 km (0.119 R)
• M20: 23,119,005 km (0.073 R)
• M21: 26,419,433 km (0.119 R)
• M22: 28,081,914 km (0.119 R)
• M23: 29,296,499 km (0.118 R)
• M24: 29,605,419 km (0.077 R)
• M25: 33,485,539 km (0.119 R)
• M26: 34,391,503 km (0.059 R)
• M27: 36,370,833 km (0.083 R)
• M28: 43,694,396 km (0.059 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 812.7

Radius: 7.9

Gravity: 13.02 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 7.32 AU - 10.22 AU

Year: 17038 Days

Day: 16.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 67,938,898 km

• M1: 98,286 km (0.109 R)
• M2: 411,245 km (0.058 R)
• M3: 1,282,802 km (0.075 R)
• M4: 1,552,975 km (0.091 R)
• M5: 1,916,498 km (0.082 R)
• M6: 2,579,666 km (0.095 R)
• M7: 3,332,293 km (0.082 R)
• M8: 4,191,433 km (0.068 R)
• M9: 4,690,043 km (0.075 R)
• M10: 5,569,529 km (0.115 R)
• M11: 6,729,511 km (0.112 R)
• M12: 9,026,137 km (0.11 R)
• M13: 12,522,987 km (0.12 R)
• M14: 14,202,373 km (0.112 R)
• M15: 15,325,255 km (0.038 R)
• M16: 17,746,496 km (0.061 R)
• M17: 18,346,234 km (0.071 R)
• M18: 20,133,929 km (0.077 R)
• M19: 24,575,340 km (0.114 R)
• M20: 29,153,932 km (0.106 R)
• M21: 36,970,720 km (0.072 R)
• M22: 40,101,205 km (0.027 R)
• M23: 41,133,131 km (0.108 R)
• M24: 43,250,091 km (0.086 R)
• M25: 47,372,260 km (0.079 R)
• M26: 55,838,752 km (0.075 R)
• M27: 58,055,792 km (0.104 R)
• M28: 58,430,834 km (0.106 R)
• M29: 59,186,004 km (0.084 R)
• M30: 64,454,093 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 320.7

Radius: 5.2

Gravity: 11.86 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 7.33 AU - 10.65 AU

Year: 17683 Days

Day: 21.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 67,938,898 km

• M1: 69,563 km (0.111 R)
• M2: 271,071 km (0.102 R)
• M3: 506,090 km (0.05 R)
• M4: 1,031,178 km (0.076 R)
• M5: 1,576,911 km (0.066 R)
• M6: 1,930,710 km (0.095 R)
• M7: 2,145,233 km (0.112 R)
• M8: 3,118,816 km (0.091 R)
• M9: 3,414,871 km (0.102 R)
• M10: 3,783,929 km (0.046 R)
• M11: 4,034,954 km (0.047 R)
• M12: 4,208,338 km (0.087 R)
• M13: 5,636,848 km (0.11 R)
• M14: 6,499,429 km (0.051 R)
• M15: 7,796,742 km (0.089 R)
• M16: 8,111,945 km (0.079 R)
• M17: 8,624,467 km (0.109 R)
• M18: 10,453,151 km (0.12 R)
• M19: 11,400,405 km (0.047 R)
• M20: 13,020,400 km (0.094 R)
• M21: 13,852,464 km (0.108 R)
• M22: 15,131,675 km (0.093 R)
• M23: 15,410,675 km (0.03 R)
• M24: 17,690,696 km (0.046 R)
• M25: 20,102,214 km (0.116 R)
• M26: 20,354,735 km (0.1 R)
• M27: 21,649,505 km (0.056 R)
• M28: 24,116,673 km (0.096 R)
• M29: 24,497,399 km (0.065 R)
• M30: 26,260,560 km (0.12 R)
• M31: 30,367,620 km (0.073 R)
• M32: 35,615,064 km (0.115 R)
• M33: 37,872,945 km (0.072 R)
• M34: 39,167,715 km (0.087 R)
• M35: 41,708,335 km (0.069 R)
• M36: 44,214,698 km (0.045 R)
• M37: 47,263,502 km (0.076 R)
• M38: 51,542,450 km (0.119 R)
• M39: 52,491,948 km (0.108 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 617.6

Radius: 7

Gravity: 12.6 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 7.51 AU - 10.53 AU

Year: 17771 Days

Day: 16.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,938,898 km

• M1: 87,066 km (0.111 R)
• M2: 1,001,857 km (0.12 R)
• M3: 1,422,526 km (0.1 R)
• M4: 2,849,091 km (0.11 R)
• M5: 3,496,102 km (0.089 R)
• M6: 4,142,963 km (0.1 R)
• M7: 5,186,259 km (0.079 R)
• M8: 5,827,585 km (0.107 R)
• M9: 6,311,385 km (0.078 R)
• M10: 8,877,586 km (0.106 R)
• M11: 9,193,986 km (0.064 R)
• M12: 11,437,655 km (0.064 R)
• M13: 13,601,588 km (0.101 R)
• M14: 14,236,033 km (0.088 R)
• M15: 15,337,073 km (0.119 R)
• M16: 16,024,475 km (0.109 R)
• M17: 16,336,387 km (0.114 R)
• M18: 28,143,399 km (0.076 R)
• M19: 30,703,018 km (0.12 R)
• M20: 46,326,122 km (0.066 R)
• M21: 48,405,832 km (0.113 R)
• M22: 67,330,112 km (0.074 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: 540 - 17,664 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit