🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.9

Radius: 13.7

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.58 AU - 0.66 AU

Year: 326 Days

Day: 13.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 85,083,008 km

• M1: 170,542 km (0.074 R)
• M2: 743,801 km (0.103 R)
• M3: 1,236,277 km (0.11 R)
• M4: 1,681,330 km (0.074 R)
• M5: 2,345,246 km (0.084 R)
• M6: 2,961,589 km (0.064 R)
• M7: 4,139,672 km (0.089 R)
• M8: 4,604,922 km (0.075 R)
• M9: 5,046,235 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.9

Radius: 14.5

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.78 AU - 1.24 AU

Year: 677 Days

Day: 14.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 85,083,008 km

• M1: 180,265 km (0.096 R)
• M2: 636,539 km (0.09 R)
• M3: 1,386,174 km (0.117 R)
• M4: 1,967,960 km (0.099 R)
• M5: 2,499,182 km (0.119 R)
• M6: 3,286,815 km (0.085 R)
• M7: 3,788,267 km (0.076 R)
• M8: 4,280,294 km (0.079 R)
• M9: 4,815,107 km (0.036 R)
• M10: 5,306,386 km (0.072 R)
• M11: 6,735,495 km (0.075 R)
• M12: 7,243,230 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.9

Radius: 10.9

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.65 AU - 1.83 AU

Year: 1531 Days

Day: 11 Hours

Environment

Temp: -204 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 85,083,008 km

• M1: 135,536 km (0.09 R)
• M2: 521,498 km (0.09 R)
• M3: 1,103,284 km (0.114 R)
• M4: 1,455,288 km (0.04 R)
• M5: 2,078,363 km (0.112 R)
• M6: 2,421,092 km (0.088 R)
• M7: 3,521,683 km (0.06 R)
• M8: 5,305,788 km (0.091 R)
• M9: 6,755,391 km (0.05 R)
• M10: 8,842,880 km (0.108 R)
• M11: 9,593,263 km (0.12 R)
• M12: 10,797,825 km (0.059 R)
• M13: 13,872,959 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.3

Radius: 8.1

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.26 AU - 2.66 AU

Year: 2573 Days

Day: 10.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 85,083,008 km

• M1: 100,829 km (0.114 R)
• M2: 367,712 km (0.086 R)
• M3: 704,307 km (0.088 R)
• M4: 1,048,831 km (0.099 R)
• M5: 1,317,508 km (0.105 R)
• M6: 1,661,284 km (0.085 R)
• M7: 2,020,170 km (0.069 R)
• M8: 2,493,049 km (0.087 R)
• M9: 3,038,034 km (0.097 R)
• M10: 3,292,649 km (0.115 R)
• M11: 3,577,932 km (0.085 R)
• M12: 6,251,097 km (0.108 R)
• M13: 6,815,978 km (0.108 R)
• M14: 7,521,781 km (0.111 R)
• M15: 7,906,547 km (0.114 R)
• M16: 8,304,327 km (0.111 R)
• M17: 8,895,688 km (0.088 R)
• M18: 9,770,387 km (0.096 R)
• M19: 11,983,388 km (0.1 R)
• M20: 12,623,218 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.4

Radius: 12.3

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.75 AU - 2.87 AU

Year: 3141 Days

Day: 13.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 132.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 85,083,008 km

• M1: 153,039 km (0.108 R)
• M2: 535,710 km (0.033 R)
• M3: 953,387 km (0.086 R)
• M4: 1,845,290 km (0.074 R)
• M5: 2,358,111 km (0.117 R)
• M6: 2,829,195 km (0.092 R)
• M7: 3,362,960 km (0.041 R)
• M8: 4,753,472 km (0.076 R)
• M9: 6,261,718 km (0.037 R)
• M10: 6,707,071 km (0.115 R)
• M11: 7,141,802 km (0.074 R)
• M12: 10,902,244 km (0.067 R)
• M13: 12,636,233 km (0.114 R)
• M14: 13,398,284 km (0.063 R)
• M15: 14,090,175 km (0.105 R)
• M16: 15,331,388 km (0.083 R)
• M17: 16,088,353 km (0.058 R)
• M18: 16,813,305 km (0.104 R)
• M19: 17,735,576 km (0.041 R)
• M20: 19,430,071 km (0.048 R)
• M21: 21,496,167 km (0.101 R)
• M22: 22,102,786 km (0.092 R)
• M23: 22,929,165 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.5

Radius: 13.7

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 3.55 AU - 4.89 AU

Year: 5781 Days

Day: 5.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 85,083,008 km

• M1: 170,691 km (0.038 R)
• M2: 600,785 km (0.104 R)
• M3: 1,123,181 km (0.103 R)
• M4: 1,861,147 km (0.093 R)
• M5: 2,288,099 km (0.086 R)
• M6: 2,781,324 km (0.069 R)
• M7: 3,365,802 km (0.103 R)
• M8: 3,851,846 km (0.082 R)
• M9: 7,369,341 km (0.09 R)
• M10: 8,157,871 km (0.104 R)
• M11: 9,121,581 km (0.032 R)
• M12: 9,693,643 km (0.095 R)
• M13: 11,461,291 km (0.101 R)
• M14: 14,015,525 km (0.113 R)
• M15: 15,799,929 km (0.084 R)
• M16: 16,626,607 km (0.11 R)
• M17: 17,668,855 km (0.078 R)
• M18: 18,624,187 km (0.085 R)
• M19: 19,213,902 km (0.092 R)
• M20: 21,340,585 km (0.114 R)
• M21: 22,793,480 km (0.047 R)
• M22: 25,253,766 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 479.4

Radius: 4

Gravity: 29.96 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 6.98 AU - 7.38 AU

Year: 12830 Days

Day: 16 Hours

Environment

Temp: -230 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 85,083,008 km

• M1: 50,863 km (0.102 R)
• M2: 219,161 km (0.1 R)
• M3: 562,638 km (0.064 R)
• M4: 806,183 km (0.087 R)
• M5: 2,129,077 km (0.063 R)
• M6: 2,295,579 km (0.044 R)
• M7: 2,490,655 km (0.09 R)
• M8: 2,804,212 km (0.083 R)
• M9: 3,143,350 km (0.052 R)
• M10: 3,359,669 km (0.087 R)
• M11: 3,509,416 km (0.104 R)
• M12: 4,716,073 km (0.084 R)
• M13: 5,096,799 km (0.027 R)
• M14: 5,228,146 km (0.102 R)
• M15: 5,497,722 km (0.116 R)
• M16: 6,630,477 km (0.114 R)
• M17: 8,771,073 km (0.111 R)
• M18: 9,743,010 km (0.093 R)
• M19: 10,306,994 km (0.054 R)
• M20: 10,623,693 km (0.098 R)
• M21: 11,165,835 km (0.099 R)
• M22: 11,612,535 km (0.099 R)
• M23: 12,363,965 km (0.108 R)
• M24: 14,350,625 km (0.113 R)
• M25: 14,878,555 km (0.103 R)
• M26: 16,468,482 km (0.059 R)
• M27: 16,683,903 km (0.08 R)
• M28: 19,900,257 km (0.075 R)
• M29: 25,462,904 km (0.092 R)
• M30: 25,654,688 km (0.115 R)
• M31: 30,121,980 km (0.104 R)
• M32: 32,877,573 km (0.111 R)
• M33: 34,962,518 km (0.097 R)
• M34: 39,521,663 km (0.058 R)
• M35: 46,290,219 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 636

Radius: 3.4

Gravity: 55.02 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 6.67 AU - 7.87 AU

Year: 13072 Days

Day: 17.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 85,083,008 km

• M1: 42,336 km (0.043 R)
• M2: 189,092 km (0.039 R)
• M3: 311,912 km (0.108 R)
• M4: 582,085 km (0.088 R)
• M5: 1,491,042 km (0.053 R)
• M6: 2,218,536 km (0.052 R)
• M7: 2,692,313 km (0.096 R)
• M8: 3,864,263 km (0.03 R)
• M9: 4,270,271 km (0.112 R)
• M10: 4,514,714 km (0.095 R)
• M11: 5,879,047 km (0.118 R)
• M12: 6,858,763 km (0.109 R)
• M13: 7,151,377 km (0.077 R)
• M14: 12,108,452 km (0.1 R)
• M15: 14,010,289 km (0.067 R)
• M16: 15,242,078 km (0.049 R)
• M17: 16,322,324 km (0.113 R)
• M18: 18,876,259 km (0.094 R)
• M19: 19,367,539 km (0.027 R)
• M20: 25,248,081 km (0.101 R)
• M21: 27,689,070 km (0.117 R)
• M22: 35,573,476 km (0.076 R)
• M23: 37,465,291 km (0.102 R)
• M24: 37,980,805 km (0.074 R)
• M25: 42,138,130 km (0.07 R)
• M26: 46,736,918 km (0.107 R)
• M27: 54,409,344 km (0.119 R)
• M28: 55,236,321 km (0.084 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 105

Radius: 5.4

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 6.75 AU - 8.95 AU

Year: 14667 Days

Day: 22.1 Hours

Environment

Temp: -242 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 85,083,008 km

• M1: 67,169 km (0.112 R)
• M2: 395,537 km (0.04 R)
• M3: 595,998 km (0.049 R)
• M4: 1,254,827 km (0.111 R)
• M5: 1,459,926 km (0.028 R)
• M6: 1,809,835 km (0.093 R)
• M7: 1,982,621 km (0.084 R)
• M8: 2,568,446 km (0.055 R)
• M9: 2,920,898 km (0.086 R)
• M10: 5,686,365 km (0.072 R)
• M11: 6,993,401 km (0.106 R)
• M12: 8,291,312 km (0.094 R)
• M13: 8,811,913 km (0.075 R)
• M14: 10,876,513 km (0.103 R)
• M15: 12,923,311 km (0.066 R)
• M16: 14,804,504 km (0.043 R)
• M17: 21,979,518 km (0.062 R)
• M18: 22,974,343 km (0.1 R)
• M19: 26,307,683 km (0.112 R)
• M20: 29,397,029 km (0.111 R)
• M21: 29,857,341 km (0.082 R)
• M22: 32,036,234 km (0.086 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 896

Radius: 7.6

Gravity: 15.51 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 7.71 AU - 12.03 AU

Year: 20678 Days

Day: 16.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 85,083,008 km

• M1: 95,144 km (0.065 R)
• M2: 375,640 km (0.104 R)
• M3: 724,652 km (0.085 R)
• M4: 1,359,695 km (0.118 R)
• M5: 1,694,046 km (0.079 R)
• M6: 2,188,766 km (0.104 R)
• M7: 3,232,810 km (0.12 R)
• M8: 3,524,077 km (0.076 R)
• M9: 4,504,990 km (0.12 R)
• M10: 5,058,802 km (0.08 R)
• M11: 5,994,985 km (0.072 R)
• M12: 7,634,428 km (0.054 R)
• M13: 9,145,516 km (0.119 R)
• M14: 9,730,444 km (0.042 R)
• M15: 14,234,537 km (0.073 R)
• M16: 14,623,641 km (0.066 R)
• M17: 17,638,337 km (0.109 R)
• M18: 19,480,336 km (0.091 R)
• M19: 19,863,605 km (0.073 R)
• M20: 21,958,574 km (0.093 R)
• M21: 23,434,506 km (0.101 R)
• M22: 27,771,947 km (0.075 R)
• M23: 28,625,403 km (0.111 R)
• M24: 30,512,879 km (0.057 R)
• M25: 33,978,464 km (0.107 R)
• M26: 43,608,677 km (0.076 R)
• M27: 59,404,866 km (0.111 R)
• M28: 63,298,599 km (0.036 R)
• M29: 63,718,071 km (0.086 R)
• M30: 77,661,191 km (0.084 R)
• M31: 82,808,854 km (0.106 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 245 - 10,904 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit