🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.2

Radius: 13.9

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.81 AU - 0.89 AU

Year: 532 Days

Day: 11.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,219,076 km

• M1: 172,935 km (0.069 R)
• M2: 756,965 km (0.074 R)
• M3: 1,221,766 km (0.112 R)
• M4: 1,756,279 km (0.101 R)
• M5: 2,438,296 km (0.104 R)
• M6: 2,957,101 km (0.067 R)
• M7: 3,712,720 km (0.041 R)
• M8: 4,404,610 km (0.103 R)
• M9: 4,874,347 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.1

Radius: 11.1

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.13 AU - 3.41 AU

Year: 3127 Days

Day: 11.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,219,076 km

• M1: 140,173 km (0.056 R)
• M2: 2,141,643 km (0.072 R)
• M3: 2,591,334 km (0.091 R)
• M4: 3,250,313 km (0.08 R)
• M5: 3,646,747 km (0.063 R)
• M6: 4,496,463 km (0.061 R)
• M7: 6,062,753 km (0.071 R)
• M8: 6,478,934 km (0.088 R)
• M9: 8,119,574 km (0.069 R)
• M10: 8,854,399 km (0.106 R)
• M11: 9,528,936 km (0.076 R)
• M12: 10,456,742 km (0.114 R)
• M13: 14,046,642 km (0.085 R)
• M14: 15,678,605 km (0.115 R)
• M15: 16,716,515 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.4

Radius: 11.9

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.33 AU - 3.49 AU

Year: 3367 Days

Day: 10.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,219,076 km

• M1: 148,700 km (0.077 R)
• M2: 780,901 km (0.065 R)
• M3: 1,581,399 km (0.098 R)
• M4: 2,235,441 km (0.047 R)
• M5: 3,047,907 km (0.109 R)
• M6: 4,348,960 km (0.047 R)
• M7: 5,477,825 km (0.115 R)
• M8: 7,440,549 km (0.069 R)
• M9: 8,070,207 km (0.094 R)
• M10: 13,105,521 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.3

Radius: 13.9

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.59 AU - 4.31 AU

Year: 4346 Days

Day: 10.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,219,076 km

• M1: 173,085 km (0.114 R)
• M2: 805,435 km (0.109 R)
• M3: 2,102,000 km (0.111 R)
• M4: 2,976,399 km (0.104 R)
• M5: 3,439,704 km (0.1 R)
• M6: 4,260,099 km (0.083 R)
• M7: 6,933,712 km (0.082 R)
• M8: 7,893,532 km (0.119 R)
• M9: 8,496,261 km (0.05 R)
• M10: 8,939,969 km (0.103 R)
• M11: 9,477,474 km (0.082 R)
• M12: 10,200,032 km (0.102 R)
• M13: 14,482,420 km (0.112 R)
• M14: 19,453,408 km (0.102 R)
• M15: 22,460,924 km (0.115 R)
• M16: 23,097,762 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.6

Radius: 14.7

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.22 AU - 3.82 AU

Year: 4479 Days

Day: 13.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,219,076 km

• M1: 182,958 km (0.078 R)
• M2: 1,585,139 km (0.107 R)
• M3: 2,053,530 km (0.052 R)
• M4: 2,855,075 km (0.072 R)
• M5: 3,707,783 km (0.095 R)
• M6: 5,920,785 km (0.105 R)
• M7: 6,781,720 km (0.115 R)
• M8: 8,154,879 km (0.062 R)
• M9: 8,715,273 km (0.044 R)
• M10: 9,182,018 km (0.068 R)
• M11: 10,727,514 km (0.118 R)
• M12: 12,392,089 km (0.11 R)
• M13: 12,883,668 km (0.113 R)
• M14: 13,853,660 km (0.053 R)
• M15: 14,329,980 km (0.114 R)
• M16: 16,462,797 km (0.104 R)
• M17: 19,913,870 km (0.054 R)
• M18: 21,350,459 km (0.092 R)
• M19: 24,737,205 km (0.044 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.1

Radius: 9.1

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.97 AU - 4.17 AU

Year: 4575 Days

Day: 7.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,219,076 km

• M1: 113,246 km (0.08 R)
• M2: 410,347 km (0.058 R)
• M3: 695,181 km (0.075 R)
• M4: 1,129,614 km (0.09 R)
• M5: 1,507,498 km (0.106 R)
• M6: 2,668,078 km (0.071 R)
• M7: 3,308,507 km (0.03 R)
• M8: 6,963,332 km (0.111 R)
• M9: 7,385,348 km (0.074 R)
• M10: 8,102,969 km (0.12 R)
• M11: 9,017,012 km (0.094 R)
• M12: 15,718,248 km (0.102 R)
• M13: 16,275,500 km (0.077 R)
• M14: 17,845,979 km (0.107 R)
• M15: 19,835,331 km (0.097 R)
• M16: 20,618,027 km (0.073 R)
• M17: 23,520,226 km (0.051 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.5

Radius: 8.2

Gravity: 7.74 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 3.28 AU - 4.6 AU

Year: 5304 Days

Day: 13.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,219,076 km

• M1: 102,026 km (0.111 R)
• M2: 444,904 km (0.075 R)
• M3: 1,064,389 km (0.075 R)
• M4: 2,013,288 km (0.089 R)
• M5: 2,469,113 km (0.107 R)
• M6: 2,936,606 km (0.07 R)
• M7: 3,957,761 km (0.088 R)
• M8: 5,252,980 km (0.07 R)
• M9: 5,848,978 km (0.05 R)
• M10: 7,873,037 km (0.052 R)
• M11: 8,462,901 km (0.046 R)
• M12: 9,402,675 km (0.113 R)
• M13: 10,152,011 km (0.116 R)
• M14: 10,629,078 km (0.072 R)
• M15: 11,166,583 km (0.062 R)
• M16: 15,167,579 km (0.049 R)
• M17: 16,197,111 km (0.109 R)
• M18: 17,517,611 km (0.1 R)
• M19: 19,366,192 km (0.071 R)
• M20: 20,714,368 km (0.088 R)
• M21: 21,837,250 km (0.105 R)
• M22: 25,926,508 km (0.036 R)
• M23: 28,235,401 km (0.06 R)
• M24: 28,490,615 km (0.071 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754

Radius: 14.3

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 4.08 AU - 5.46 AU

Year: 7066 Days

Day: 14.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,219,076 km

• M1: 194,328 km (0.112 R)
• M2: 905,217 km (0.115 R)
• M3: 1,673,701 km (0.102 R)
• M4: 2,832,336 km (0.108 R)
• M5: 3,328,852 km (0.062 R)
• M6: 3,859,475 km (0.117 R)
• M7: 4,393,091 km (0.092 R)
• M8: 7,416,015 km (0.092 R)
• M9: 8,083,072 km (0.101 R)
• M10: 10,375,510 km (0.089 R)
• M11: 11,160,899 km (0.075 R)
• M12: 16,079,976 km (0.084 R)
• M13: 16,931,786 km (0.106 R)
• M14: 17,951,595 km (0.108 R)
• M15: 19,521,176 km (0.095 R)
• M16: 20,948,788 km (0.093 R)
• M17: 21,806,582 km (0.073 R)
• M18: 23,343,252 km (0.118 R)
• M19: 24,520,886 km (0.119 R)
• M20: 30,020,702 km (0.101 R)
• M21: 33,371,246 km (0.066 R)
• M22: 34,219,615 km (0.073 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 712.6

Radius: 6.4

Gravity: 17.4 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 5.27 AU - 6.37 AU

Year: 9523 Days

Day: 24.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 69,219,076 km

• M1: 79,736 km (0.072 R)
• M2: 696,528 km (0.109 R)
• M3: 923,617 km (0.068 R)
• M4: 1,165,966 km (0.069 R)
• M5: 1,690,606 km (0.071 R)
• M6: 2,305,902 km (0.1 R)
• M7: 2,534,786 km (0.095 R)
• M8: 2,842,210 km (0.05 R)
• M9: 3,083,212 km (0.08 R)
• M10: 3,733,364 km (0.112 R)
• M11: 4,023,136 km (0.118 R)
• M12: 4,243,194 km (0.091 R)
• M13: 5,237,421 km (0.117 R)
• M14: 6,452,755 km (0.112 R)
• M15: 6,678,498 km (0.113 R)
• M16: 8,410,243 km (0.116 R)
• M17: 11,049,598 km (0.101 R)
• M18: 11,264,720 km (0.119 R)
• M19: 11,703,341 km (0.117 R)
• M20: 13,511,081 km (0.062 R)
• M21: 18,187,212 km (0.092 R)
• M22: 19,407,481 km (0.051 R)
• M23: 21,925,513 km (0.107 R)
• M24: 23,306,750 km (0.073 R)
• M25: 24,018,686 km (0.114 R)
• M26: 25,020,992 km (0.092 R)
• M27: 26,914,602 km (0.055 R)
• M28: 28,698,556 km (0.074 R)
• M29: 32,280,827 km (0.069 R)
• M30: 32,610,541 km (0.093 R)
• M31: 36,150,176 km (0.071 R)
• M32: 37,465,291 km (0.094 R)
• M33: 37,707,789 km (0.091 R)
• M34: 45,755,556 km (0.117 R)
• M35: 46,590,162 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 477.9

Radius: 6.8

Gravity: 10.34 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 7.92 AU - 11.66 AU

Year: 20776 Days

Day: 23 Hours

Environment

Temp: -231 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 69,219,076 km

• M1: 84,523 km (0.116 R)
• M2: 299,794 km (0.091 R)
• M3: 621,280 km (0.106 R)
• M4: 981,811 km (0.027 R)
• M5: 1,788,143 km (0.056 R)
• M6: 2,479,734 km (0.103 R)
• M7: 2,849,989 km (0.105 R)
• M8: 3,230,117 km (0.086 R)
• M9: 3,789,015 km (0.047 R)
• M10: 4,509,179 km (0.085 R)
• M11: 5,206,604 km (0.083 R)
• M12: 5,581,197 km (0.087 R)
• M13: 7,447,132 km (0.095 R)
• M14: 7,682,599 km (0.077 R)
• M15: 8,368,505 km (0.081 R)
• M16: 11,712,765 km (0.097 R)
• M17: 15,622,954 km (0.068 R)
• M18: 17,289,325 km (0.101 R)
• M19: 17,870,064 km (0.045 R)
• M20: 19,870,188 km (0.096 R)
• M21: 20,141,708 km (0.101 R)
• M22: 20,599,627 km (0.094 R)
• M23: 27,986,171 km (0.065 R)
• M24: 28,902,159 km (0.1 R)
• M25: 29,484,693 km (0.079 R)
• M26: 32,141,252 km (0.11 R)
• M27: 32,515,396 km (0.084 R)
• M28: 33,018,793 km (0.088 R)
• M29: 33,272,511 km (0.075 R)
• M30: 35,084,740 km (0.117 R)
• M31: 36,825,461 km (0.084 R)
• M32: 38,063,832 km (0.034 R)
• M33: 51,328,226 km (0.104 R)
• M34: 54,801,290 km (0.098 R)
• M35: 60,489,001 km (0.101 R)
• M36: 68,805,147 km (0.086 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: 380 - 11,347 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit