🌌 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: 683.6

Radius: 9.3

Gravity: 7.9 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.66 AU - 0.8 AU

Year: 397 Days

Day: 6.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 158.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,363,637 km

• M1: 115,639 km (0.054 R)
• M2: 436,676 km (0.102 R)
• M3: 749,635 km (0.087 R)
• M4: 1,058,255 km (0.079 R)
• M5: 1,986,660 km (0.071 R)
• M6: 2,281,517 km (0.095 R)
• M7: 2,596,271 km (0.095 R)
• M8: 2,918,954 km (0.087 R)
• M9: 3,314,191 km (0.096 R)
• M10: 3,757,300 km (0.079 R)
• M11: 4,777,558 km (0.118 R)
• M12: 5,078,698 km (0.071 R)
• M13: 5,488,895 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.8

Radius: 13.7

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.6 AU - 1.98 AU

Year: 1523 Days

Day: 5.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,363,637 km

• M1: 172,935 km (0.116 R)
• M2: 647,011 km (0.112 R)
• M3: 1,209,798 km (0.077 R)
• M4: 2,276,580 km (0.105 R)
• M5: 5,258,216 km (0.064 R)
• M6: 6,475,493 km (0.101 R)
• M7: 7,684,693 km (0.109 R)
• M8: 9,371,259 km (0.035 R)
• M9: 10,714,199 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.7

Radius: 10.9

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.84 AU - 2.6 AU

Year: 2103 Days

Day: 6.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,363,637 km

• M1: 135,536 km (0.074 R)
• M2: 480,508 km (0.112 R)
• M3: 940,671 km (0.053 R)
• M4: 1,478,177 km (0.111 R)
• M5: 1,845,140 km (0.098 R)
• M6: 2,538,526 km (0.117 R)
• M7: 3,764,182 km (0.043 R)
• M8: 4,617,039 km (0.08 R)
• M9: 5,730,945 km (0.115 R)
• M10: 7,754,256 km (0.107 R)
• M11: 8,726,493 km (0.074 R)
• M12: 9,068,025 km (0.087 R)
• M13: 9,778,016 km (0.086 R)
• M14: 10,876,364 km (0.108 R)
• M15: 11,345,353 km (0.049 R)
• M16: 12,479,305 km (0.094 R)
• M17: 13,357,893 km (0.087 R)
• M18: 14,578,312 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.4

Radius: 11.6

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.04 AU - 2.62 AU

Year: 2261 Days

Day: 10.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,363,637 km

• M1: 144,811 km (0.069 R)
• M2: 768,634 km (0.097 R)
• M3: 1,219,971 km (0.09 R)
• M4: 1,759,271 km (0.057 R)
• M5: 2,317,869 km (0.098 R)
• M6: 2,713,855 km (0.045 R)
• M7: 3,239,093 km (0.068 R)
• M8: 4,005,184 km (0.117 R)
• M9: 4,516,061 km (0.09 R)
• M10: 5,070,321 km (0.066 R)
• M11: 5,744,409 km (0.083 R)
• M12: 7,242,332 km (0.041 R)
• M13: 8,289,966 km (0.03 R)
• M14: 10,232,046 km (0.059 R)
• M15: 10,916,157 km (0.085 R)
• M16: 11,509,312 km (0.109 R)
• M17: 13,108,663 km (0.113 R)
• M18: 13,508,239 km (0.094 R)
• M19: 14,661,040 km (0.119 R)
• M20: 15,728,720 km (0.042 R)
• M21: 16,795,652 km (0.039 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.1

Radius: 11.1

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.43 AU - 2.69 AU

Year: 2604 Days

Day: 13 Hours

Environment

Temp: -201 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,363,637 km

• M1: 138,079 km (0.116 R)
• M2: 762,052 km (0.119 R)
• M3: 1,193,193 km (0.081 R)
• M4: 1,606,831 km (0.082 R)
• M5: 2,243,968 km (0.104 R)
• M6: 5,983,167 km (0.095 R)
• M7: 6,376,759 km (0.067 R)
• M8: 7,158,109 km (0.1 R)
• M9: 7,662,852 km (0.067 R)
• M10: 10,069,283 km (0.082 R)
• M11: 10,476,788 km (0.118 R)
• M12: 11,011,450 km (0.104 R)
• M13: 11,847,553 km (0.071 R)
• M14: 14,191,752 km (0.101 R)
• M15: 14,563,652 km (0.059 R)
• M16: 16,368,849 km (0.053 R)
• M17: 17,141,672 km (0.118 R)
• M18: 18,373,610 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.1

Radius: 8.5

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.41 AU - 3.53 AU

Year: 3254 Days

Day: 5 Hours

Environment

Temp: -206 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,363,637 km

• M1: 105,766 km (0.119 R)
• M2: 385,065 km (0.033 R)
• M3: 876,195 km (0.097 R)
• M4: 1,511,387 km (0.114 R)
• M5: 2,257,881 km (0.089 R)
• M6: 2,555,431 km (0.097 R)
• M7: 4,039,442 km (0.075 R)
• M8: 4,351,652 km (0.079 R)
• M9: 4,907,558 km (0.115 R)
• M10: 6,435,551 km (0.114 R)
• M11: 7,522,679 km (0.085 R)
• M12: 7,804,820 km (0.082 R)
• M13: 8,524,087 km (0.077 R)
• M14: 8,899,877 km (0.104 R)
• M15: 11,108,091 km (0.117 R)
• M16: 11,806,563 km (0.111 R)
• M17: 12,709,685 km (0.045 R)
• M18: 13,797,112 km (0.06 R)
• M19: 15,543,069 km (0.101 R)
• M20: 17,052,811 km (0.113 R)
• M21: 17,926,313 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.6

Radius: 12.6

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 4.6 AU - 6.2 AU

Year: 7979 Days

Day: 10.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,363,637 km

• M1: 250,277 km (0.072 R)
• M2: 644,617 km (0.044 R)
• M3: 1,086,230 km (0.096 R)
• M4: 1,665,473 km (0.065 R)
• M5: 4,351,952 km (0.084 R)
• M6: 5,080,792 km (0.076 R)
• M7: 5,556,065 km (0.11 R)
• M8: 7,034,989 km (0.058 R)
• M9: 9,526,243 km (0.052 R)
• M10: 10,670,517 km (0.082 R)
• M11: 11,100,910 km (0.036 R)
• M12: 12,556,198 km (0.089 R)
• M13: 14,919,396 km (0.11 R)
• M14: 20,509,718 km (0.115 R)
• M15: 25,330,959 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 103.9

Radius: 6

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 5.99 AU - 8.83 AU

Year: 12825 Days

Day: 20.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,363,637 km

• M1: 74,649 km (0.059 R)
• M2: 544,985 km (0.11 R)
• M3: 1,098,348 km (0.057 R)
• M4: 1,586,934 km (0.074 R)
• M5: 2,369,032 km (0.116 R)
• M6: 2,781,174 km (0.102 R)
• M7: 3,140,209 km (0.071 R)
• M8: 3,466,332 km (0.1 R)
• M9: 3,769,866 km (0.093 R)
• M10: 5,797,067 km (0.108 R)
• M11: 6,131,718 km (0.064 R)
• M12: 7,179,202 km (0.099 R)
• M13: 9,539,108 km (0.11 R)
• M14: 12,272,112 km (0.116 R)
• M15: 13,445,109 km (0.092 R)
• M16: 15,602,011 km (0.078 R)
• M17: 16,130,540 km (0.082 R)
• M18: 19,020,621 km (0.116 R)
• M19: 19,691,568 km (0.118 R)
• M20: 23,284,909 km (0.067 R)
• M21: 25,396,183 km (0.103 R)
• M22: 27,887,736 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 526.1

Radius: 4.9

Gravity: 21.91 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 6.91 AU - 8.15 AU

Year: 13138 Days

Day: 15.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 69,363,637 km

• M1: 60,886 km (0.097 R)
• M2: 214,673 km (0.067 R)
• M3: 444,904 km (0.085 R)
• M4: 726,148 km (0.091 R)
• M5: 1,203,216 km (0.033 R)
• M6: 1,985,613 km (0.106 R)
• M7: 3,062,268 km (0.036 R)
• M8: 3,847,358 km (0.07 R)
• M9: 4,041,686 km (0.069 R)
• M10: 4,242,596 km (0.105 R)
• M11: 4,510,675 km (0.091 R)
• M12: 4,789,974 km (0.036 R)
• M13: 5,486,652 km (0.039 R)
• M14: 5,877,401 km (0.061 R)
• M15: 6,440,039 km (0.058 R)
• M16: 6,794,286 km (0.114 R)
• M17: 6,955,852 km (0.054 R)
• M18: 7,846,857 km (0.063 R)
• M19: 10,375,959 km (0.085 R)
• M20: 12,354,690 km (0.043 R)
• M21: 22,966,864 km (0.118 R)
• M22: 23,515,140 km (0.118 R)
• M23: 23,885,394 km (0.104 R)
• M24: 24,828,310 km (0.079 R)
• M25: 27,395,260 km (0.081 R)
• M26: 30,461,118 km (0.081 R)
• M27: 31,906,683 km (0.057 R)
• M28: 38,147,307 km (0.043 R)
• M29: 41,283,328 km (0.095 R)
• M30: 41,686,943 km (0.12 R)
• M31: 44,024,559 km (0.056 R)
• M32: 46,447,895 km (0.114 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 566.1

Radius: 5.4

Gravity: 19.41 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 8.54 AU - 10.82 AU

Year: 19149 Days

Day: 24.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 69,363,637 km

• M1: 128,505 km (0.092 R)
• M2: 305,778 km (0.111 R)
• M3: 588,967 km (0.061 R)
• M4: 966,402 km (0.098 R)
• M5: 1,621,192 km (0.099 R)
• M6: 1,994,888 km (0.092 R)
• M7: 2,295,579 km (0.047 R)
• M8: 3,012,901 km (0.116 R)
• M9: 4,502,148 km (0.112 R)
• M10: 6,173,605 km (0.109 R)
• M11: 6,945,081 km (0.101 R)
• M12: 7,635,326 km (0.109 R)
• M13: 8,219,805 km (0.034 R)
• M14: 8,729,185 km (0.098 R)
• M15: 9,643,079 km (0.095 R)
• M16: 10,094,565 km (0.103 R)
• M17: 12,367,555 km (0.107 R)
• M18: 17,477,220 km (0.117 R)
• M19: 18,575,568 km (0.033 R)
• M20: 19,899,210 km (0.097 R)
• M21: 27,246,859 km (0.089 R)
• M22: 28,376,023 km (0.064 R)
• M23: 28,836,336 km (0.025 R)
• M24: 31,580,260 km (0.085 R)
• M25: 60,993,894 km (0.092 R)
• M26: 64,890,021 km (0.039 R)
• M27: 66,090,395 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: 421 - 13,023 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit