🌌 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: 541.6

Radius: 8.1

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.74 AU - 0.96 AU

Year: 498 Days

Day: 13.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,177,850 km

• M1: 100,829 km (0.118 R)
• M2: 399,576 km (0.111 R)
• M3: 686,355 km (0.081 R)
• M4: 974,331 km (0.047 R)
• M5: 1,228,348 km (0.114 R)
• M6: 1,534,425 km (0.052 R)
• M7: 1,989,053 km (0.108 R)
• M8: 2,312,484 km (0.089 R)
• M9: 2,590,138 km (0.055 R)
• M10: 2,901,002 km (0.115 R)
• M11: 3,236,700 km (0.063 R)
• M12: 4,288,821 km (0.077 R)
• M13: 4,862,529 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.6

Radius: 9.8

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1 AU - 1.36 AU

Year: 815 Days

Day: 14.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,177,850 km

• M1: 121,922 km (0.058 R)
• M2: 499,058 km (0.043 R)
• M3: 816,505 km (0.072 R)
• M4: 1,330,673 km (0.081 R)
• M5: 1,794,426 km (0.113 R)
• M6: 2,697,549 km (0.11 R)
• M7: 3,050,001 km (0.078 R)
• M8: 3,615,332 km (0.091 R)
• M9: 4,045,276 km (0.077 R)
• M10: 4,492,723 km (0.088 R)
• M11: 4,814,807 km (0.107 R)
• M12: 5,134,349 km (0.114 R)
• M13: 5,737,527 km (0.111 R)
• M14: 6,861,755 km (0.095 R)
• M15: 7,881,564 km (0.053 R)
• M16: 8,684,456 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.9

Radius: 14.8

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.31 AU - 2.75 AU

Year: 2559 Days

Day: 8 Hours

Environment

Temp: -207 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,177,850 km

• M1: 184,305 km (0.05 R)
• M2: 663,616 km (0.102 R)
• M3: 1,239,269 km (0.085 R)
• M4: 1,702,424 km (0.047 R)
• M5: 2,550,943 km (0.118 R)
• M6: 3,119,116 km (0.115 R)
• M7: 4,094,344 km (0.111 R)
• M8: 4,613,748 km (0.065 R)
• M9: 5,601,243 km (0.069 R)
• M10: 7,069,247 km (0.064 R)
• M11: 7,564,865 km (0.1 R)
• M12: 9,818,258 km (0.118 R)
• M13: 10,577,617 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.9

Radius: 10.2

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.69 AU - 3.03 AU

Year: 3075 Days

Day: 8.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,177,850 km

• M1: 127,009 km (0.068 R)
• M2: 734,675 km (0.088 R)
• M3: 1,101,489 km (0.114 R)
• M4: 1,677,740 km (0.115 R)
• M5: 2,019,272 km (0.058 R)
• M6: 2,432,761 km (0.118 R)
• M7: 3,258,990 km (0.063 R)
• M8: 4,886,315 km (0.101 R)
• M9: 5,660,185 km (0.114 R)
• M10: 6,220,130 km (0.078 R)
• M11: 6,689,269 km (0.099 R)
• M12: 7,396,568 km (0.084 R)
• M13: 7,754,406 km (0.113 R)
• M14: 8,959,865 km (0.076 R)
• M15: 11,962,145 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.1

Radius: 12.8

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.05 AU - 3.93 AU

Year: 4145 Days

Day: 10.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,177,850 km

• M1: 159,172 km (0.089 R)
• M2: 582,085 km (0.098 R)
• M3: 1,119,590 km (0.099 R)
• M4: 1,859,202 km (0.082 R)
• M5: 3,348,599 km (0.1 R)
• M6: 3,990,822 km (0.091 R)
• M7: 4,779,802 km (0.089 R)
• M8: 5,922,430 km (0.099 R)
• M9: 6,449,164 km (0.049 R)
• M10: 7,210,019 km (0.112 R)
• M11: 7,688,583 km (0.106 R)
• M12: 8,478,908 km (0.099 R)
• M13: 9,427,508 km (0.104 R)
• M14: 9,964,116 km (0.103 R)
• M15: 11,576,182 km (0.03 R)
• M16: 12,571,906 km (0.033 R)
• M17: 13,850,519 km (0.078 R)
• M18: 17,557,704 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.4

Radius: 12.9

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 3.73 AU - 4.59 AU

Year: 5395 Days

Day: 6.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,177,850 km

• M1: 160,369 km (0.092 R)
• M2: 657,782 km (0.057 R)
• M3: 1,614,011 km (0.067 R)
• M4: 2,284,808 km (0.117 R)
• M5: 2,942,441 km (0.103 R)
• M6: 3,441,649 km (0.058 R)
• M7: 3,997,405 km (0.108 R)
• M8: 4,612,402 km (0.115 R)
• M9: 5,347,077 km (0.077 R)
• M10: 5,788,091 km (0.119 R)
• M11: 6,710,063 km (0.043 R)
• M12: 7,509,065 km (0.088 R)
• M13: 9,464,908 km (0.113 R)
• M14: 13,752,083 km (0.069 R)
• M15: 18,916,651 km (0.115 R)
• M16: 21,156,879 km (0.064 R)
• M17: 22,491,890 km (0.111 R)
• M18: 23,646,786 km (0.112 R)
• M19: 24,840,726 km (0.028 R)
• M20: 25,990,984 km (0.052 R)
• M21: 30,297,758 km (0.097 R)
• M22: 30,949,406 km (0.114 R)
• M23: 31,420,789 km (0.056 R)
• M24: 32,280,977 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.1

Radius: 9.5

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 4.09 AU - 4.83 AU

Year: 5989 Days

Day: 8.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,177,850 km

• M1: 118,182 km (0.056 R)
• M2: 522,994 km (0.097 R)
• M3: 1,678,339 km (0.065 R)
• M4: 2,080,458 km (0.05 R)
• M5: 2,981,186 km (0.052 R)
• M6: 5,093,807 km (0.057 R)
• M7: 5,457,779 km (0.097 R)
• M8: 6,292,535 km (0.116 R)
• M9: 7,452,966 km (0.108 R)
• M10: 9,309,326 km (0.078 R)
• M11: 9,707,256 km (0.091 R)
• M12: 12,039,188 km (0.079 R)
• M13: 14,288,691 km (0.067 R)
• M14: 18,505,107 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 673.5

Radius: 7

Gravity: 13.74 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 6.05 AU - 6.91 AU

Year: 10488 Days

Day: 15.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 61,177,850 km

• M1: 97,687 km (0.082 R)
• M2: 373,546 km (0.104 R)
• M3: 749,186 km (0.034 R)
• M4: 1,466,957 km (0.086 R)
• M5: 2,554,683 km (0.03 R)
• M6: 3,521,833 km (0.104 R)
• M7: 3,830,753 km (0.085 R)
• M8: 5,350,817 km (0.032 R)
• M9: 6,679,096 km (0.08 R)
• M10: 7,113,229 km (0.08 R)
• M11: 8,805,181 km (0.096 R)
• M12: 10,071,976 km (0.071 R)
• M13: 11,735,953 km (0.107 R)
• M14: 16,151,633 km (0.097 R)
• M15: 16,433,027 km (0.111 R)
• M16: 17,005,688 km (0.057 R)
• M17: 17,517,611 km (0.061 R)
• M18: 18,342,644 km (0.096 R)
• M19: 19,509,208 km (0.08 R)
• M20: 21,817,802 km (0.078 R)
• M21: 23,037,773 km (0.096 R)
• M22: 24,302,473 km (0.067 R)
• M23: 25,995,622 km (0.099 R)
• M24: 35,298,216 km (0.078 R)
• M25: 35,534,730 km (0.047 R)
• M26: 39,211,696 km (0.099 R)
• M27: 43,540,460 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 309.3

Radius: 3.1

Gravity: 32.19 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 6.47 AU - 6.91 AU

Year: 11002 Days

Day: 24.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 61,177,850 km

• M1: 38,596 km (0.037 R)
• M2: 263,143 km (0.07 R)
• M3: 680,072 km (0.06 R)
• M4: 861,684 km (0.082 R)
• M5: 1,262,307 km (0.113 R)
• M6: 1,458,430 km (0.025 R)
• M7: 1,702,873 km (0.064 R)
• M8: 3,086,653 km (0.116 R)
• M9: 3,283,524 km (0.088 R)
• M10: 3,924,401 km (0.094 R)
• M11: 5,050,873 km (0.092 R)
• M12: 6,306,897 km (0.047 R)
• M13: 6,877,463 km (0.065 R)
• M14: 7,289,156 km (0.055 R)
• M15: 8,881,626 km (0.086 R)
• M16: 15,520,929 km (0.081 R)
• M17: 17,361,282 km (0.062 R)
• M18: 18,905,431 km (0.049 R)
• M19: 19,195,651 km (0.112 R)
• M20: 19,710,716 km (0.11 R)
• M21: 20,845,416 km (0.077 R)
• M22: 23,744,772 km (0.109 R)
• M23: 30,525,595 km (0.1 R)
• M24: 30,824,791 km (0.105 R)
• M25: 32,350,240 km (0.105 R)
• M26: 32,453,612 km (0.109 R)
• M27: 34,569,375 km (0.073 R)
• M28: 34,677,534 km (0.055 R)
• M29: 35,112,266 km (0.069 R)
• M30: 36,326,701 km (0.089 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 256.9

Radius: 4.9

Gravity: 10.7 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 10.73 AU - 11.49 AU

Year: 23545 Days

Day: 22.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 61,177,850 km

• M1: 62,532 km (0.119 R)
• M2: 218,114 km (0.112 R)
• M3: 659,876 km (0.046 R)
• M4: 874,549 km (0.081 R)
• M5: 1,646,025 km (0.063 R)
• M6: 1,812,079 km (0.112 R)
• M7: 3,181,797 km (0.116 R)
• M8: 3,521,534 km (0.105 R)
• M9: 3,914,079 km (0.044 R)
• M10: 4,719,514 km (0.08 R)
• M11: 6,166,424 km (0.067 R)
• M12: 6,652,468 km (0.112 R)
• M13: 6,862,354 km (0.096 R)
• M14: 7,518,639 km (0.087 R)
• M15: 7,792,553 km (0.119 R)
• M16: 12,999,905 km (0.098 R)
• M17: 13,394,694 km (0.109 R)
• M18: 13,729,644 km (0.033 R)
• M19: 14,416,448 km (0.105 R)
• M20: 17,552,019 km (0.099 R)
• M21: 18,360,446 km (0.087 R)
• M22: 19,024,810 km (0.067 R)
• M23: 21,113,944 km (0.085 R)
• M24: 21,476,420 km (0.069 R)
• M25: 21,751,082 km (0.067 R)
• M26: 26,155,243 km (0.069 R)
• M27: 27,637,907 km (0.119 R)
• M28: 33,512,915 km (0.086 R)
• M29: 33,758,854 km (0.047 R)
• M30: 34,005,990 km (0.101 R)
• M31: 34,254,322 km (0.116 R)
• M32: 34,629,214 km (0.12 R)
• M33: 38,664,168 km (0.115 R)
• M34: 43,437,537 km (0.098 R)
• M35: 46,573,856 km (0.045 R)
• M36: 51,638,043 km (0.11 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: 501 - 12,690 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit