🌌 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 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.6

Radius: 8.9

Gravity: 11.66 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.58 AU - 0.7 AU

Year: 347 Days

Day: 6.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,012,650 km

• M1: 110,702 km (0.114 R)
• M2: 456,423 km (0.111 R)
• M3: 744,997 km (0.11 R)
• M4: 1,107,323 km (0.119 R)
• M5: 1,434,045 km (0.106 R)
• M6: 1,795,025 km (0.109 R)
• M7: 2,080,009 km (0.103 R)
• M8: 2,414,061 km (0.11 R)
• M9: 3,236,101 km (0.097 R)
• M10: 4,152,388 km (0.108 R)
• M11: 4,526,682 km (0.067 R)
• M12: 4,803,588 km (0.047 R)
• M13: 5,391,507 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.1

Radius: 13.6

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.63 AU - 0.65 AU

Year: 347 Days

Day: 14.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 47,012,650 km

• M1: 169,195 km (0.112 R)
• M2: 727,943 km (0.108 R)
• M3: 1,229,096 km (0.114 R)
• M4: 1,666,819 km (0.108 R)
• M5: 2,759,034 km (0.119 R)
• M6: 3,332,293 km (0.107 R)
• M7: 3,936,070 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.1

Radius: 12.3

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.61 AU - 0.73 AU

Year: 372 Days

Day: 14.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,012,650 km

• M1: 153,039 km (0.115 R)
• M2: 652,396 km (0.095 R)
• M3: 1,050,925 km (0.114 R)
• M4: 1,584,541 km (0.112 R)
• M5: 2,037,673 km (0.049 R)
• M6: 2,490,655 km (0.059 R)
• M7: 2,914,167 km (0.099 R)
• M8: 3,315,538 km (0.061 R)
• M9: 3,830,753 km (0.044 R)
• M10: 4,399,075 km (0.094 R)
• M11: 4,899,929 km (0.097 R)
• M12: 5,471,542 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.8

Radius: 8.4

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.28 AU - 1.42 AU

Year: 1064 Days

Day: 8.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 140.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 47,012,650 km

• M1: 104,569 km (0.102 R)
• M2: 438,172 km (0.038 R)
• M3: 1,588,879 km (0.118 R)
• M4: 1,924,427 km (0.095 R)
• M5: 3,200,497 km (0.068 R)
• M6: 7,734,659 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.3

Radius: 10.6

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.3 AU - 1.68 AU

Year: 1234 Days

Day: 14.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,012,650 km

• M1: 131,945 km (0.066 R)
• M2: 739,013 km (0.09 R)
• M3: 1,117,346 km (0.094 R)
• M4: 2,738,987 km (0.114 R)
• M5: 3,660,361 km (0.088 R)
• M6: 5,645,375 km (0.03 R)
• M7: 6,197,092 km (0.115 R)
• M8: 7,229,915 km (0.07 R)
• M9: 7,668,686 km (0.064 R)
• M10: 10,102,943 km (0.099 R)
• M11: 10,950,714 km (0.042 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.6

Radius: 13.3

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.68 AU - 2.36 AU

Year: 1947 Days

Day: 10.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,012,650 km

• M1: 165,455 km (0.061 R)
• M2: 631,752 km (0.058 R)
• M3: 1,657,245 km (0.076 R)
• M4: 2,437,697 km (0.098 R)
• M5: 3,154,570 km (0.117 R)
• M6: 3,840,626 km (0.099 R)
• M7: 5,144,222 km (0.118 R)
• M8: 5,702,970 km (0.08 R)
• M9: 6,123,041 km (0.09 R)
• M10: 6,697,497 km (0.093 R)
• M11: 7,194,162 km (0.079 R)
• M12: 8,386,457 km (0.114 R)
• M13: 9,162,720 km (0.068 R)
• M14: 10,235,786 km (0.043 R)
• M15: 10,896,410 km (0.086 R)
• M16: 11,663,548 km (0.089 R)
• M17: 12,302,929 km (0.094 R)
• M18: 12,797,649 km (0.107 R)
• M19: 13,871,313 km (0.049 R)
• M20: 15,617,120 km (0.086 R)
• M21: 17,095,596 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.6

Radius: 12.3

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.19 AU - 2.33 AU

Year: 2304 Days

Day: 5.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,012,650 km

• M1: 153,039 km (0.07 R)
• M2: 787,932 km (0.08 R)
• M3: 1,400,086 km (0.107 R)
• M4: 1,856,061 km (0.102 R)
• M5: 3,381,809 km (0.083 R)
• M6: 3,976,461 km (0.077 R)
• M7: 5,114,901 km (0.11 R)
• M8: 5,697,136 km (0.117 R)
• M9: 6,709,315 km (0.114 R)
• M10: 7,651,482 km (0.115 R)
• M11: 8,316,594 km (0.05 R)
• M12: 8,814,905 km (0.067 R)
• M13: 10,893,119 km (0.119 R)
• M14: 11,612,385 km (0.112 R)
• M15: 14,381,890 km (0.094 R)
• M16: 14,858,809 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 527.6

Radius: 4.7

Gravity: 23.88 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 4.83 AU - 7.19 AU

Year: 9993 Days

Day: 24.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 47,012,650 km

• M1: 58,642 km (0.076 R)
• M2: 476,320 km (0.105 R)
• M3: 794,215 km (0.113 R)
• M4: 1,139,188 km (0.025 R)
• M5: 1,352,514 km (0.038 R)
• M6: 1,550,133 km (0.094 R)
• M7: 1,707,360 km (0.093 R)
• M8: 1,955,095 km (0.105 R)
• M9: 2,720,587 km (0.118 R)
• M10: 4,327,567 km (0.034 R)
• M11: 5,573,867 km (0.107 R)
• M12: 5,842,246 km (0.067 R)
• M13: 6,296,874 km (0.096 R)
• M14: 6,477,887 km (0.089 R)
• M15: 7,003,125 km (0.03 R)
• M16: 7,236,797 km (0.075 R)
• M17: 7,969,079 km (0.118 R)
• M18: 10,921,243 km (0.083 R)
• M19: 11,718,300 km (0.05 R)
• M20: 12,898,478 km (0.056 R)
• M21: 13,727,849 km (0.117 R)
• M22: 15,492,355 km (0.05 R)
• M23: 15,822,668 km (0.105 R)
• M24: 19,925,988 km (0.053 R)
• M25: 23,280,869 km (0.025 R)
• M26: 23,714,105 km (0.084 R)
• M27: 25,776,461 km (0.092 R)
• M28: 29,642,668 km (0.089 R)
• M29: 30,977,829 km (0.077 R)
• M30: 35,794,133 km (0.036 R)
• M31: 38,862,385 km (0.082 R)
• M32: 40,211,608 km (0.072 R)
• M33: 40,460,240 km (0.094 R)
• M34: 42,744,151 km (0.064 R)
• M35: 43,132,956 km (0.058 R)
• M36: 43,786,250 km (0.058 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 460.9

Radius: 7.1

Gravity: 9.14 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 6.23 AU - 7.23 AU

Year: 11842 Days

Day: 15.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 47,012,650 km

• M1: 108,159 km (0.115 R)
• M2: 339,737 km (0.101 R)
• M3: 567,724 km (0.045 R)
• M4: 932,144 km (0.093 R)
• M5: 1,209,200 km (0.03 R)
• M6: 1,513,482 km (0.057 R)
• M7: 1,774,680 km (0.114 R)
• M8: 2,582,658 km (0.11 R)
• M9: 2,893,223 km (0.065 R)
• M10: 3,369,991 km (0.052 R)
• M11: 4,806,280 km (0.106 R)
• M12: 5,474,833 km (0.075 R)
• M13: 7,642,656 km (0.118 R)
• M14: 8,641,820 km (0.086 R)
• M15: 8,962,558 km (0.055 R)
• M16: 9,196,529 km (0.059 R)
• M17: 9,579,350 km (0.03 R)
• M18: 11,933,721 km (0.07 R)
• M19: 13,335,005 km (0.106 R)
• M20: 14,777,876 km (0.066 R)
• M21: 17,970,145 km (0.117 R)
• M22: 23,844,255 km (0.083 R)
• M23: 24,658,217 km (0.087 R)
• M24: 25,303,881 km (0.117 R)
• M25: 30,039,103 km (0.03 R)
• M26: 30,458,426 km (0.073 R)
• M27: 33,280,141 km (0.058 R)
• M28: 36,747,071 km (0.114 R)
• M29: 42,650,503 km (0.115 R)
• M30: 43,580,552 km (0.086 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 180 - 16,216 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit