🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.6

Radius: 14.8

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.67 AU - 0.79 AU

Year: 438 Days

Day: 13.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,797,944 km

• M1: 185,801 km (0.053 R)
• M2: 804,089 km (0.105 R)
• M3: 1,367,325 km (0.035 R)
• M4: 1,977,833 km (0.111 R)
• M5: 2,557,974 km (0.072 R)
• M6: 3,333,041 km (0.105 R)
• M7: 3,973,768 km (0.041 R)
• M8: 4,576,947 km (0.047 R)
• M9: 5,096,799 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972

Radius: 8.2

Gravity: 14.46 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.48 AU - 1.54 AU

Year: 1304 Days

Day: 12.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,797,944 km

• M1: 102,026 km (0.056 R)
• M2: 360,830 km (0.112 R)
• M3: 652,097 km (0.077 R)
• M4: 930,349 km (0.105 R)
• M5: 1,218,325 km (0.104 R)
• M6: 2,013,288 km (0.1 R)
• M7: 2,608,538 km (0.115 R)
• M8: 3,757,599 km (0.039 R)
• M9: 4,164,057 km (0.107 R)
• M10: 4,818,547 km (0.117 R)
• M11: 5,765,053 km (0.068 R)
• M12: 6,162,235 km (0.1 R)
• M13: 6,856,070 km (0.068 R)
• M14: 8,021,587 km (0.064 R)
• M15: 10,396,154 km (0.117 R)
• M16: 10,914,810 km (0.07 R)
• M17: 12,078,831 km (0.088 R)
• M18: 12,458,959 km (0.12 R)
• M19: 13,729,494 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.5

Radius: 13.3

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.9 AU - 2.4 AU

Year: 2216 Days

Day: 11.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,797,944 km

• M1: 165,455 km (0.057 R)
• M2: 705,204 km (0.048 R)
• M3: 1,132,456 km (0.085 R)
• M4: 1,552,377 km (0.095 R)
• M5: 2,351,978 km (0.057 R)
• M6: 3,573,295 km (0.055 R)
• M7: 4,050,362 km (0.05 R)
• M8: 4,635,440 km (0.108 R)
• M9: 6,133,513 km (0.098 R)
• M10: 6,568,095 km (0.059 R)
• M11: 7,052,343 km (0.037 R)
• M12: 8,650,347 km (0.087 R)
• M13: 9,733,137 km (0.086 R)
• M14: 10,402,138 km (0.07 R)
• M15: 11,261,279 km (0.104 R)
• M16: 12,082,870 km (0.113 R)
• M17: 13,799,656 km (0.089 R)
• M18: 16,231,967 km (0.111 R)
• M19: 17,821,594 km (0.096 R)
• M20: 18,541,758 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.2

Radius: 11.6

Gravity: 6.13 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 4.36 AU - 5.2 AU

Year: 7346 Days

Day: 13.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 33,797,944 km

• M1: 144,362 km (0.108 R)
• M2: 702,063 km (0.1 R)
• M3: 1,217,427 km (0.081 R)
• M4: 1,873,115 km (0.095 R)
• M5: 2,450,862 km (0.086 R)
• M6: 3,038,034 km (0.119 R)
• M7: 4,041,985 km (0.044 R)
• M8: 5,473,337 km (0.045 R)
• M9: 7,686,937 km (0.111 R)
• M10: 10,343,795 km (0.059 R)
• M11: 11,247,666 km (0.102 R)
• M12: 12,757,407 km (0.12 R)
• M13: 13,856,054 km (0.069 R)
• M14: 14,398,047 km (0.086 R)
• M15: 14,954,252 km (0.115 R)
• M16: 15,912,875 km (0.119 R)
• M17: 17,811,272 km (0.074 R)
• M18: 21,489,585 km (0.108 R)
• M19: 22,298,011 km (0.05 R)
• M20: 24,321,023 km (0.096 R)
• M21: 27,486,365 km (0.074 R)
• M22: 30,713,490 km (0.111 R)
• M23: 31,739,133 km (0.082 R)
• M24: 33,213,420 km (0.117 R)
• M25: 38,261,151 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.4

Radius: 13.7

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 3.76 AU - 6.1 AU

Year: 7694 Days

Day: 11.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 33,797,944 km

• M1: 171,140 km (0.118 R)
• M2: 1,158,037 km (0.11 R)
• M3: 2,153,013 km (0.095 R)
• M4: 2,855,823 km (0.096 R)
• M5: 3,958,659 km (0.111 R)
• M6: 4,523,241 km (0.063 R)
• M7: 5,423,372 km (0.12 R)
• M8: 5,950,405 km (0.117 R)
• M9: 6,694,206 km (0.08 R)
• M10: 7,579,227 km (0.112 R)
• M11: 10,910,921 km (0.091 R)
• M12: 11,917,266 km (0.106 R)
• M13: 12,584,023 km (0.074 R)
• M14: 14,360,498 km (0.112 R)
• M15: 15,309,098 km (0.066 R)
• M16: 19,908,485 km (0.074 R)
• M17: 26,181,572 km (0.065 R)
• M18: 26,741,517 km (0.027 R)
• M19: 29,461,505 km (0.116 R)
• M20: 29,965,949 km (0.092 R)
• M21: 30,992,041 km (0.112 R)
• M22: 32,360,862 km (0.096 R)
• M23: 33,769,775 km (0.109 R)
• M24: 41,559,186 km (0.052 R)
• M25: 42,194,079 km (0.102 R)
• M26: 43,093,611 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.9

Radius: 13.9

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 4.5 AU - 6.24 AU

Year: 8747 Days

Day: 9.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 33,797,944 km

• M1: 173,234 km (0.097 R)
• M2: 671,246 km (0.114 R)
• M3: 1,170,304 km (0.06 R)
• M4: 1,645,726 km (0.101 R)
• M5: 2,430,217 km (0.089 R)
• M6: 3,649,141 km (0.097 R)
• M7: 4,136,232 km (0.103 R)
• M8: 5,504,005 km (0.036 R)
• M9: 7,441,297 km (0.081 R)
• M10: 9,624,977 km (0.111 R)
• M11: 10,063,898 km (0.085 R)
• M12: 10,887,733 km (0.086 R)
• M13: 11,559,278 km (0.07 R)
• M14: 12,156,622 km (0.029 R)
• M15: 15,045,656 km (0.074 R)
• M16: 15,578,225 km (0.117 R)
• M17: 16,618,528 km (0.096 R)
• M18: 18,701,828 km (0.11 R)
• M19: 21,469,688 km (0.107 R)
• M20: 23,777,086 km (0.114 R)
• M21: 24,744,834 km (0.094 R)
• M22: 26,245,450 km (0.085 R)
• M23: 29,152,885 km (0.113 R)
• M24: 29,703,704 km (0.086 R)
• M25: 31,015,977 km (0.064 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 980.7

Radius: 3.5

Gravity: 80.06 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 5.61 AU - 8.41 AU

Year: 13046 Days

Day: 19.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 33,797,944 km

• M1: 44,580 km (0.103 R)
• M2: 191,784 km (0.082 R)
• M3: 317,596 km (0.072 R)
• M4: 590,762 km (0.071 R)
• M5: 1,890,468 km (0.092 R)
• M6: 2,195,498 km (0.068 R)
• M7: 2,736,743 km (0.107 R)
• M8: 3,126,745 km (0.075 R)
• M9: 4,046,323 km (0.06 R)
• M10: 4,819,146 km (0.08 R)
• M11: 5,422,773 km (0.066 R)
• M12: 6,358,657 km (0.109 R)
• M13: 6,482,674 km (0.069 R)
• M14: 6,608,486 km (0.106 R)
• M15: 10,025,152 km (0.038 R)
• M16: 11,669,382 km (0.091 R)
• M17: 13,416,984 km (0.098 R)
• M18: 17,909,259 km (0.107 R)
• M19: 18,744,015 km (0.026 R)
• M20: 18,999,378 km (0.057 R)
• M21: 19,343,603 km (0.055 R)
• M22: 21,126,810 km (0.042 R)
• M23: 23,016,530 km (0.114 R)
• M24: 25,016,055 km (0.053 R)
• M25: 28,005,469 km (0.105 R)
• M26: 30,280,703 km (0.099 R)
• M27: 31,823,955 km (0.099 R)
• M28: 35,583,798 km (0.074 R)
• M29: 37,570,009 km (0.107 R)
• M30: 39,211,397 km (0.111 R)
• M31: 47,347,576 km (0.091 R)
• M32: 47,979,777 km (0.11 R)
• M33: 50,729,087 km (0.099 R)
• M34: 50,893,944 km (0.073 R)
• M35: 51,390,908 km (0.066 R)
• M36: 51,557,261 km (0.072 R)
• M37: 56,539,169 km (0.082 R)
• M38: 61,457,049 km (0.066 R)
• M39: 62,967,240 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 669.4

Radius: 5.6

Gravity: 21.35 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 7.9 AU - 10.92 AU

Year: 20291 Days

Day: 20.1 Hours

Environment

Temp: -243 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 33,797,944 km

• M1: 83,775 km (0.102 R)
• M2: 513,869 km (0.108 R)
• M3: 1,332,618 km (0.109 R)
• M4: 2,856,871 km (0.087 R)
• M5: 4,835,452 km (0.119 R)
• M6: 5,054,762 km (0.107 R)
• M7: 5,875,456 km (0.046 R)
• M8: 6,083,248 km (0.113 R)
• M9: 7,339,272 km (0.113 R)
• M10: 7,727,777 km (0.1 R)
• M11: 7,927,042 km (0.094 R)
• M12: 9,030,475 km (0.1 R)
• M13: 9,363,780 km (0.116 R)
• M14: 11,345,054 km (0.1 R)
• M15: 12,196,864 km (0.101 R)
• M16: 18,665,027 km (0.105 R)
• M17: 18,934,004 km (0.112 R)
• M18: 22,875,310 km (0.108 R)
• M19: 23,808,052 km (0.059 R)
• M20: 24,124,601 km (0.114 R)
• M21: 24,874,087 km (0.115 R)
• M22: 25,860,236 km (0.077 R)
• M23: 28,855,484 km (0.087 R)
• M24: 36,214,503 km (0.087 R)
• M25: 36,633,227 km (0.117 R)
• M26: 43,306,489 km (0.07 R)
• M27: 43,620,645 km (0.103 R)
• M28: 43,936,147 km (0.05 R)
• M29: 45,536,993 km (0.119 R)
• M30: 48,684,981 km (0.088 R)
• M31: 53,583,863 km (0.089 R)
• M32: 53,764,577 km (0.079 R)
• M33: 63,130,601 km (0.101 R)
• M34: 71,756,863 km (0.056 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 55.8

Radius: 5.4

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 9.15 AU - 9.95 AU

Year: 20745 Days

Day: 17 Hours

Environment

Temp: -225 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,797,944 km

• M1: 67,469 km (0.11 R)
• M2: 388,506 km (0.042 R)
• M3: 613,351 km (0.05 R)
• M4: 1,151,904 km (0.098 R)
• M5: 1,654,104 km (0.056 R)
• M6: 6,546,852 km (0.08 R)
• M7: 14,183,823 km (0.108 R)
• M8: 14,641,592 km (0.056 R)
• M9: 19,634,122 km (0.105 R)
• M10: 20,491,019 km (0.108 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 387 - 18,234 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit