🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.89

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.5 AU - 0.78 AU

Year: 336 Days

Day: 22.7 Hours

Environment

Temp: -131 °C

Axial Tilt: 35.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105

Radius: 8.6

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.71 AU - 0.85 AU

Year: 452 Days

Day: 7.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,538,383 km

• M1: 106,962 km (0.088 R)
• M2: 411,394 km (0.083 R)
• M3: 717,920 km (0.042 R)
• M4: 1,096,702 km (0.075 R)
• M5: 1,397,992 km (0.082 R)
• M6: 1,946,119 km (0.102 R)
• M7: 2,463,279 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686

Radius: 8.4

Gravity: 9.72 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.8 AU - 0.88 AU

Year: 505 Days

Day: 13.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,538,383 km

• M1: 104,419 km (0.11 R)
• M2: 417,976 km (0.091 R)
• M3: 703,858 km (0.081 R)
• M4: 1,136,794 km (0.068 R)
• M5: 1,582,446 km (0.054 R)
• M6: 1,866,981 km (0.049 R)
• M7: 2,186,074 km (0.039 R)
• M8: 3,013,799 km (0.053 R)
• M9: 3,381,061 km (0.079 R)
• M10: 3,711,972 km (0.092 R)
• M11: 3,994,862 km (0.085 R)
• M12: 4,558,696 km (0.104 R)
• M13: 5,844,938 km (0.112 R)
• M14: 6,266,505 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.4

Radius: 10.4

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.28 AU - 1.74 AU

Year: 1217 Days

Day: 7.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,538,383 km

• M1: 129,402 km (0.111 R)
• M2: 460,612 km (0.086 R)
• M3: 939,923 km (0.112 R)
• M4: 1,375,702 km (0.096 R)
• M5: 2,376,512 km (0.08 R)
• M6: 3,019,334 km (0.045 R)
• M7: 3,726,633 km (0.084 R)
• M8: 4,119,925 km (0.108 R)
• M9: 4,837,397 km (0.099 R)
• M10: 5,326,731 km (0.101 R)
• M11: 5,678,137 km (0.111 R)
• M12: 6,707,669 km (0.047 R)
• M13: 7,418,110 km (0.07 R)
• M14: 8,259,298 km (0.095 R)
• M15: 10,162,483 km (0.077 R)
• M16: 10,511,345 km (0.076 R)
• M17: 11,300,324 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.6

Radius: 13.4

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.8 AU - 1.84 AU

Year: 1611 Days

Day: 11.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,538,383 km

• M1: 167,101 km (0.108 R)
• M2: 782,995 km (0.076 R)
• M3: 1,449,753 km (0.109 R)
• M4: 2,020,768 km (0.119 R)
• M5: 2,503,670 km (0.066 R)
• M6: 3,775,102 km (0.107 R)
• M7: 4,271,318 km (0.051 R)
• M8: 5,056,258 km (0.114 R)
• M9: 5,866,032 km (0.086 R)
• M10: 6,609,533 km (0.081 R)
• M11: 8,943,110 km (0.119 R)
• M12: 10,706,720 km (0.084 R)
• M13: 11,271,302 km (0.067 R)
• M14: 12,769,973 km (0.114 R)
• M15: 13,730,841 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717

Radius: 8.6

Gravity: 9.69 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.2 AU - 2.22 AU

Year: 2155 Days

Day: 9.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,538,383 km

• M1: 120,875 km (0.038 R)
• M2: 449,242 km (0.102 R)
• M3: 1,186,760 km (0.06 R)
• M4: 1,755,681 km (0.059 R)
• M5: 3,570,153 km (0.113 R)
• M6: 4,948,548 km (0.034 R)
• M7: 5,220,367 km (0.097 R)
• M8: 5,622,636 km (0.037 R)
• M9: 6,542,962 km (0.108 R)
• M10: 7,413,173 km (0.065 R)
• M11: 7,983,440 km (0.118 R)
• M12: 8,976,171 km (0.062 R)
• M13: 9,624,080 km (0.109 R)
• M14: 9,906,072 km (0.113 R)
• M15: 10,266,303 km (0.102 R)
• M16: 12,159,315 km (0.057 R)
• M17: 12,698,316 km (0.057 R)
• M18: 13,779,460 km (0.093 R)
• M19: 14,502,915 km (0.057 R)
• M20: 15,156,508 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.3

Radius: 8

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.11 AU - 2.45 AU

Year: 2258 Days

Day: 14.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,538,383 km

• M1: 99,483 km (0.035 R)
• M2: 913,893 km (0.116 R)
• M3: 1,309,430 km (0.081 R)
• M4: 1,766,751 km (0.071 R)
• M5: 2,176,649 km (0.118 R)
• M6: 2,661,795 km (0.109 R)
• M7: 3,129,139 km (0.087 R)
• M8: 3,982,744 km (0.088 R)
• M9: 5,542,302 km (0.109 R)
• M10: 6,470,258 km (0.117 R)
• M11: 7,289,455 km (0.066 R)
• M12: 7,845,660 km (0.106 R)
• M13: 8,288,171 km (0.094 R)
• M14: 8,659,922 km (0.086 R)
• M15: 9,042,742 km (0.091 R)
• M16: 9,653,700 km (0.051 R)
• M17: 11,687,633 km (0.075 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.2

Radius: 12.1

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 4.48 AU - 7.1 AU

Year: 9140 Days

Day: 6.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,538,383 km

• M1: 150,495 km (0.049 R)
• M2: 579,243 km (0.061 R)
• M3: 1,143,377 km (0.103 R)
• M4: 1,755,082 km (0.104 R)
• M5: 2,201,333 km (0.036 R)
• M6: 2,909,529 km (0.09 R)
• M7: 4,492,424 km (0.113 R)
• M8: 7,919,711 km (0.111 R)
• M9: 8,305,674 km (0.116 R)
• M10: 9,268,635 km (0.105 R)
• M11: 10,263,162 km (0.085 R)
• M12: 10,850,483 km (0.045 R)
• M13: 12,000,741 km (0.081 R)
• M14: 12,843,576 km (0.063 R)
• M15: 14,232,442 km (0.116 R)
• M16: 15,774,198 km (0.034 R)
• M17: 16,785,479 km (0.087 R)
• M18: 19,061,910 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 760.7

Radius: 4.4

Gravity: 39.29 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 4.67 AU - 7.73 AU

Year: 10127 Days

Day: 22.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 57,538,383 km

• M1: 54,902 km (0.062 R)
• M2: 237,412 km (0.03 R)
• M3: 639,680 km (0.062 R)
• M4: 933,640 km (0.119 R)
• M5: 2,125,935 km (0.047 R)
• M6: 3,893,285 km (0.065 R)
• M7: 4,256,359 km (0.09 R)
• M8: 4,953,634 km (0.087 R)
• M9: 5,481,565 km (0.104 R)
• M10: 6,119,450 km (0.066 R)
• M11: 6,267,702 km (0.089 R)
• M12: 6,726,818 km (0.034 R)
• M13: 10,747,709 km (0.096 R)
• M14: 11,018,182 km (0.089 R)
• M15: 12,498,453 km (0.107 R)
• M16: 13,101,333 km (0.116 R)
• M17: 13,472,335 km (0.114 R)
• M18: 14,892,767 km (0.117 R)
• M19: 16,696,469 km (0.052 R)
• M20: 18,640,643 km (0.119 R)
• M21: 20,235,206 km (0.06 R)
• M22: 20,981,550 km (0.117 R)
• M23: 22,528,841 km (0.079 R)
• M24: 25,179,266 km (0.117 R)
• M25: 25,656,334 km (0.108 R)
• M26: 26,236,774 km (0.054 R)
• M27: 26,825,741 km (0.078 R)
• M28: 28,336,978 km (0.085 R)
• M29: 29,480,654 km (0.119 R)
• M30: 33,552,858 km (0.098 R)
• M31: 34,363,379 km (0.095 R)
• M32: 35,543,556 km (0.09 R)
• M33: 39,118,646 km (0.113 R)
• M34: 41,852,248 km (0.112 R)
• M35: 43,880,795 km (0.032 R)
• M36: 45,550,308 km (0.096 R)
• M37: 46,829,669 km (0.089 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 607.8

Radius: 5.1

Gravity: 23.37 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 6.11 AU - 9.25 AU

Year: 13962 Days

Day: 15.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 57,538,383 km

• M1: 63,429 km (0.069 R)
• M2: 398,678 km (0.091 R)
• M3: 558,598 km (0.099 R)
• M4: 857,944 km (0.063 R)
• M5: 1,061,995 km (0.107 R)
• M6: 1,352,365 km (0.098 R)
• M7: 1,792,332 km (0.069 R)
• M8: 2,485,718 km (0.073 R)
• M9: 4,761,850 km (0.11 R)
• M10: 5,196,731 km (0.118 R)
• M11: 5,954,743 km (0.113 R)
• M12: 6,499,429 km (0.097 R)
• M13: 8,571,808 km (0.072 R)
• M14: 8,766,286 km (0.103 R)
• M15: 9,013,421 km (0.102 R)
• M16: 11,688,381 km (0.089 R)
• M17: 12,917,627 km (0.086 R)
• M18: 15,557,879 km (0.113 R)
• M19: 16,512,314 km (0.099 R)
• M20: 17,349,763 km (0.068 R)
• M21: 19,109,183 km (0.094 R)
• M22: 22,514,180 km (0.074 R)
• M23: 24,897,274 km (0.054 R)
• M24: 25,493,272 km (0.058 R)
• M25: 25,694,033 km (0.118 R)
• M26: 27,233,544 km (0.108 R)
• M27: 30,045,835 km (0.103 R)
• M28: 35,484,914 km (0.07 R)
• M29: 35,860,854 km (0.093 R)
• M30: 42,806,234 km (0.097 R)
• M31: 43,517,871 km (0.103 R)
• M32: 43,804,650 km (0.093 R)
• M33: 48,413,162 km (0.057 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 535 - 13,732 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit