🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.4

Radius: 13.9

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.63 AU - 0.69 AU

Year: 370 Days

Day: 11.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 40,639,353 km

• M1: 173,234 km (0.058 R)
• M2: 761,453 km (0.07 R)
• M3: 1,245,402 km (0.058 R)
• M4: 1,894,507 km (0.068 R)
• M5: 2,348,986 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.4

Radius: 11.1

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.88 AU - 1.42 AU

Year: 851 Days

Day: 12.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,639,353 km

• M1: 138,079 km (0.078 R)
• M2: 595,699 km (0.059 R)
• M3: 1,049,579 km (0.115 R)
• M4: 1,674,449 km (0.1 R)
• M5: 2,102,000 km (0.075 R)
• M6: 2,648,630 km (0.093 R)
• M7: 3,523,329 km (0.103 R)
• M8: 3,889,993 km (0.086 R)
• M9: 4,249,776 km (0.098 R)
• M10: 4,858,041 km (0.044 R)
• M11: 5,370,414 km (0.116 R)
• M12: 6,375,562 km (0.056 R)
• M13: 6,766,611 km (0.112 R)
• M14: 7,693,519 km (0.068 R)
• M15: 8,112,244 km (0.049 R)
• M16: 8,494,317 km (0.102 R)
• M17: 9,049,474 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.5

Radius: 8.1

Gravity: 13.24 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.53 AU - 3.73 AU

Year: 3822 Days

Day: 12.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 40,639,353 km

• M1: 103,971 km (0.119 R)
• M2: 367,562 km (0.11 R)
• M3: 730,935 km (0.095 R)
• M4: 1,170,753 km (0.085 R)
• M5: 1,630,168 km (0.069 R)
• M6: 2,372,622 km (0.114 R)
• M7: 2,873,326 km (0.117 R)
• M8: 3,303,570 km (0.049 R)
• M9: 3,754,607 km (0.115 R)
• M10: 4,316,347 km (0.111 R)
• M11: 4,580,836 km (0.073 R)
• M12: 4,855,947 km (0.109 R)
• M13: 5,142,277 km (0.044 R)
• M14: 5,495,179 km (0.063 R)
• M15: 7,005,519 km (0.084 R)
• M16: 8,034,602 km (0.053 R)
• M17: 8,510,473 km (0.093 R)
• M18: 10,135,256 km (0.104 R)
• M19: 10,432,058 km (0.115 R)
• M20: 12,004,032 km (0.073 R)
• M21: 12,432,481 km (0.12 R)
• M22: 13,269,630 km (0.108 R)
• M23: 14,408,220 km (0.047 R)
• M24: 15,055,979 km (0.105 R)
• M25: 15,554,439 km (0.067 R)
• M26: 16,819,289 km (0.112 R)
• M27: 17,416,334 km (0.08 R)
• M28: 19,292,291 km (0.082 R)
• M29: 19,683,041 km (0.116 R)
• M30: 22,568,036 km (0.061 R)
• M31: 23,663,092 km (0.111 R)
• M32: 24,337,030 km (0.07 R)
• M33: 24,869,898 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.3

Radius: 14.9

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.97 AU - 4.39 AU

Year: 4873 Days

Day: 6.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,639,353 km

• M1: 186,100 km (0.089 R)
• M2: 700,866 km (0.087 R)
• M3: 1,795,922 km (0.039 R)
• M4: 2,386,086 km (0.095 R)
• M5: 3,086,503 km (0.077 R)
• M6: 3,558,185 km (0.062 R)
• M7: 5,578,804 km (0.116 R)
• M8: 6,439,889 km (0.116 R)
• M9: 7,084,207 km (0.115 R)
• M10: 9,081,040 km (0.103 R)
• M11: 12,087,508 km (0.103 R)
• M12: 12,572,654 km (0.12 R)
• M13: 13,633,901 km (0.071 R)
• M14: 14,644,734 km (0.062 R)
• M15: 15,477,695 km (0.116 R)
• M16: 17,729,592 km (0.101 R)
• M17: 19,523,270 km (0.093 R)
• M18: 21,576,501 km (0.081 R)
• M19: 26,594,313 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.7

Radius: 12.8

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.14 AU - 4.48 AU

Year: 5133 Days

Day: 9.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,639,353 km

• M1: 159,771 km (0.09 R)
• M2: 582,085 km (0.03 R)
• M3: 1,087,427 km (0.091 R)
• M4: 1,735,934 km (0.03 R)
• M5: 2,359,607 km (0.065 R)
• M6: 3,646,299 km (0.069 R)
• M7: 4,220,306 km (0.108 R)
• M8: 5,061,494 km (0.073 R)
• M9: 6,945,380 km (0.073 R)
• M10: 7,725,084 km (0.101 R)
• M11: 8,375,237 km (0.055 R)
• M12: 8,944,756 km (0.112 R)
• M13: 10,765,811 km (0.115 R)
• M14: 11,302,718 km (0.088 R)
• M15: 13,528,734 km (0.032 R)
• M16: 17,823,838 km (0.12 R)
• M17: 21,658,481 km (0.05 R)
• M18: 22,299,208 km (0.082 R)
• M19: 23,099,407 km (0.104 R)
• M20: 25,066,769 km (0.069 R)
• M21: 26,412,252 km (0.111 R)
• M22: 26,898,296 km (0.054 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 824.9

Radius: 4.1

Gravity: 49.07 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 4.63 AU - 7.17 AU

Year: 9892 Days

Day: 21.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 127.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 40,639,353 km

• M1: 54,454 km (0.071 R)
• M2: 195,824 km (0.08 R)
• M3: 336,296 km (0.062 R)
• M4: 699,071 km (0.054 R)
• M5: 929,751 km (0.106 R)
• M6: 1,114,355 km (0.094 R)
• M7: 2,914,915 km (0.09 R)
• M8: 3,168,034 km (0.091 R)
• M9: 3,336,781 km (0.073 R)
• M10: 3,906,300 km (0.047 R)
• M11: 4,100,328 km (0.073 R)
• M12: 4,659,824 km (0.063 R)
• M13: 5,505,800 km (0.038 R)
• M14: 5,749,944 km (0.094 R)
• M15: 6,111,372 km (0.04 R)
• M16: 7,580,872 km (0.097 R)
• M17: 7,883,209 km (0.09 R)
• M18: 8,933,237 km (0.068 R)
• M19: 9,566,335 km (0.097 R)
• M20: 9,868,373 km (0.104 R)
• M21: 15,606,050 km (0.092 R)
• M22: 17,623,078 km (0.087 R)
• M23: 19,166,030 km (0.104 R)
• M24: 21,645,466 km (0.058 R)
• M25: 23,051,536 km (0.034 R)
• M26: 23,412,366 km (0.04 R)
• M27: 27,531,843 km (0.111 R)
• M28: 28,142,501 km (0.108 R)
• M29: 34,635,946 km (0.09 R)
• M30: 36,554,688 km (0.11 R)
• M31: 38,542,994 km (0.07 R)
• M32: 41,792,409 km (0.081 R)
• M33: 43,965,169 km (0.026 R)
• M34: 45,643,208 km (0.043 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 653.7

Radius: 4.7

Gravity: 29.59 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 7.7 AU - 10.28 AU

Year: 18606 Days

Day: 16.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 40,639,353 km

• M1: 60,587 km (0.064 R)
• M2: 367,412 km (0.106 R)
• M3: 673,041 km (0.058 R)
• M4: 1,107,473 km (0.088 R)
• M5: 1,780,215 km (0.099 R)
• M6: 2,162,886 km (0.118 R)
• M7: 4,097,336 km (0.119 R)
• M8: 4,257,256 km (0.111 R)
• M9: 5,572,969 km (0.063 R)
• M10: 6,645,437 km (0.1 R)
• M11: 6,821,962 km (0.052 R)
• M12: 7,370,089 km (0.067 R)
• M13: 8,815,204 km (0.071 R)
• M14: 10,321,355 km (0.109 R)
• M15: 13,129,756 km (0.065 R)
• M16: 13,689,851 km (0.065 R)
• M17: 15,159,650 km (0.077 R)
• M18: 15,465,727 km (0.078 R)
• M19: 16,169,585 km (0.101 R)
• M20: 17,725,104 km (0.115 R)
• M21: 18,495,533 km (0.113 R)
• M22: 19,021,519 km (0.113 R)
• M23: 19,828,899 km (0.045 R)
• M24: 20,194,965 km (0.079 R)
• M25: 26,571,574 km (0.076 R)
• M26: 29,080,480 km (0.116 R)
• M27: 32,750,115 km (0.114 R)
• M28: 43,095,706 km (0.115 R)
• M29: 45,428,535 km (0.094 R)
• M30: 50,005,931 km (0.087 R)
• M31: 51,540,057 km (0.039 R)
• M32: 54,166,098 km (0.048 R)
• M33: 58,176,966 km (0.048 R)
• M34: 59,873,406 km (0.105 R)
• M35: 62,773,361 km (0.088 R)
• M36: 63,364,422 km (0.082 R)
• M37: 68,642,833 km (0.072 R)
• M38: 70,324,164 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 100.6

Radius: 3.2

Gravity: 9.82 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 7.74 AU - 11.36 AU

Year: 20371 Days

Day: 21.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,639,353 km

• M1: 39,793 km (0.072 R)
• M2: 168,746 km (0.108 R)
• M3: 587,172 km (0.06 R)
• M4: 1,136,046 km (0.096 R)
• M5: 1,512,135 km (0.113 R)
• M6: 1,840,802 km (0.079 R)
• M7: 2,113,070 km (0.072 R)
• M8: 3,312,994 km (0.066 R)
• M9: 6,432,708 km (0.101 R)
• M10: 8,043,429 km (0.089 R)
• M11: 8,251,519 km (0.047 R)
• M12: 12,087,358 km (0.119 R)
• M13: 12,581,630 km (0.088 R)
• M14: 15,833,738 km (0.072 R)
• M15: 18,073,966 km (0.077 R)
• M16: 22,425,020 km (0.072 R)
• M17: 30,033,269 km (0.064 R)
• M18: 36,637,416 km (0.028 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: 458 - 12,869 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit