🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.5

Radius: 9.6

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.84 AU - 1.06 AU

Year: 628 Days

Day: 12 Hours

Environment

Temp: -181 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,538,396 km

• M1: 119,379 km (0.113 R)
• M2: 621,280 km (0.091 R)
• M3: 1,868,029 km (0.062 R)
• M4: 2,201,931 km (0.045 R)
• M5: 2,522,818 km (0.064 R)
• M6: 3,504,929 km (0.077 R)
• M7: 4,330,110 km (0.111 R)
• M8: 5,123,877 km (0.113 R)
• M9: 5,510,438 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.8

Radius: 10.9

Gravity: 6.13 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.21 AU - 1.27 AU

Year: 937 Days

Day: 7 Hours

Environment

Temp: -177 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,538,396 km

• M1: 135,685 km (0.086 R)
• M2: 725,849 km (0.119 R)
• M3: 1,066,782 km (0.041 R)
• M4: 1,455,587 km (0.117 R)
• M5: 3,223,385 km (0.044 R)
• M6: 4,151,790 km (0.089 R)
• M7: 6,097,160 km (0.066 R)
• M8: 7,080,168 km (0.093 R)
• M9: 7,634,578 km (0.08 R)
• M10: 9,133,848 km (0.119 R)
• M11: 9,587,877 km (0.071 R)
• M12: 10,027,246 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.3

Radius: 12.4

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.97 AU - 2.57 AU

Year: 2320 Days

Day: 14.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,538,396 km

• M1: 242,797 km (0.112 R)
• M2: 801,845 km (0.09 R)
• M3: 1,211,892 km (0.109 R)
• M4: 1,974,094 km (0.073 R)
• M5: 4,222,699 km (0.068 R)
• M6: 4,765,590 km (0.104 R)
• M7: 6,542,663 km (0.07 R)
• M8: 7,976,409 km (0.102 R)
• M9: 8,726,044 km (0.11 R)
• M10: 9,318,601 km (0.092 R)
• M11: 10,615,914 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.2

Radius: 14.4

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.85 AU - 2.77 AU

Year: 2381 Days

Day: 10.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,538,396 km

• M1: 179,966 km (0.082 R)
• M2: 759,209 km (0.102 R)
• M3: 1,260,512 km (0.098 R)
• M4: 2,402,542 km (0.097 R)
• M5: 3,017,090 km (0.085 R)
• M6: 4,053,803 km (0.119 R)
• M7: 6,391,569 km (0.116 R)
• M8: 7,113,080 km (0.069 R)
• M9: 8,636,584 km (0.048 R)
• M10: 10,462,277 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.8

Radius: 9.8

Gravity: 9.5 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.75 AU - 4.97 AU

Year: 6175 Days

Day: 13.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 63,538,396 km

• M1: 132,843 km (0.047 R)
• M2: 567,874 km (0.069 R)
• M3: 1,023,100 km (0.05 R)
• M4: 1,382,883 km (0.101 R)
• M5: 2,730,460 km (0.071 R)
• M6: 3,504,330 km (0.118 R)
• M7: 3,980,051 km (0.118 R)
• M8: 4,802,391 km (0.071 R)
• M9: 5,359,942 km (0.103 R)
• M10: 6,125,434 km (0.077 R)
• M11: 7,034,989 km (0.066 R)
• M12: 7,715,660 km (0.114 R)
• M13: 8,481,302 km (0.079 R)
• M14: 9,120,683 km (0.074 R)
• M15: 10,983,625 km (0.109 R)
• M16: 11,384,697 km (0.065 R)
• M17: 12,109,948 km (0.043 R)
• M18: 12,592,251 km (0.064 R)
• M19: 13,941,325 km (0.08 R)
• M20: 15,384,346 km (0.052 R)
• M21: 16,792,361 km (0.046 R)
• M22: 18,424,324 km (0.101 R)
• M23: 20,913,483 km (0.106 R)
• M24: 21,452,484 km (0.067 R)
• M25: 21,843,234 km (0.09 R)
• M26: 22,962,376 km (0.111 R)
• M27: 24,372,186 km (0.11 R)
• M28: 25,927,106 km (0.099 R)
• M29: 26,728,801 km (0.06 R)
• M30: 28,194,711 km (0.037 R)
• M31: 31,086,587 km (0.117 R)
• M32: 31,687,971 km (0.063 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 568.8

Radius: 4.5

Gravity: 28.09 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 8.56 AU - 10.36 AU

Year: 19735 Days

Day: 18.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 56.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 63,538,396 km

• M1: 55,950 km (0.119 R)
• M2: 215,122 km (0.051 R)
• M3: 357,090 km (0.089 R)
• M4: 1,110,315 km (0.106 R)
• M5: 1,329,775 km (0.045 R)
• M6: 1,610,720 km (0.062 R)
• M7: 2,026,303 km (0.083 R)
• M8: 2,578,170 km (0.075 R)
• M9: 2,815,282 km (0.079 R)
• M10: 3,278,587 km (0.08 R)
• M11: 3,643,606 km (0.086 R)
• M12: 4,035,103 km (0.114 R)
• M13: 4,831,114 km (0.081 R)
• M14: 5,191,794 km (0.096 R)
• M15: 5,340,943 km (0.1 R)
• M16: 6,467,116 km (0.11 R)
• M17: 6,995,047 km (0.095 R)
• M18: 7,937,962 km (0.069 R)
• M19: 9,900,387 km (0.04 R)
• M20: 10,540,965 km (0.096 R)
• M21: 11,775,596 km (0.108 R)
• M22: 15,126,290 km (0.117 R)
• M23: 21,262,794 km (0.1 R)
• M24: 23,121,548 km (0.119 R)
• M25: 23,935,510 km (0.093 R)
• M26: 25,298,795 km (0.08 R)
• M27: 26,712,944 km (0.076 R)
• M28: 27,270,495 km (0.051 R)
• M29: 28,756,750 km (0.094 R)
• M30: 28,990,123 km (0.12 R)
• M31: 36,455,505 km (0.108 R)
• M32: 37,418,167 km (0.074 R)
• M33: 40,994,604 km (0.088 R)
• M34: 45,737,455 km (0.046 R)
• M35: 48,158,247 km (0.055 R)
• M36: 58,135,977 km (0.066 R)
• M37: 59,071,711 km (0.09 R)
• M38: 59,637,939 km (0.047 R)
• M39: 60,207,757 km (0.028 R)
• M40: 64,697,788 km (0.103 R)
• M41: 66,513,906 km (0.06 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 790

Radius: 7.8

Gravity: 12.98 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 7.52 AU - 12.42 AU

Year: 21352 Days

Day: 19.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 63,538,396 km

• M1: 96,939 km (0.048 R)
• M2: 498,909 km (0.11 R)
• M3: 1,429,258 km (0.086 R)
• M4: 1,735,634 km (0.095 R)
• M5: 2,367,386 km (0.083 R)
• M6: 3,061,670 km (0.076 R)
• M7: 3,884,907 km (0.058 R)
• M8: 4,417,326 km (0.119 R)
• M9: 5,111,759 km (0.099 R)
• M10: 7,532,702 km (0.068 R)
• M11: 7,990,920 km (0.088 R)
• M12: 9,419,580 km (0.097 R)
• M13: 10,194,496 km (0.041 R)
• M14: 10,818,918 km (0.105 R)
• M15: 11,402,350 km (0.088 R)
• M16: 12,988,985 km (0.06 R)
• M17: 15,112,526 km (0.097 R)
• M18: 17,633,699 km (0.086 R)
• M19: 22,749,797 km (0.051 R)
• M20: 29,021,239 km (0.079 R)
• M21: 29,393,139 km (0.107 R)
• M22: 29,768,181 km (0.08 R)
• M23: 37,077,234 km (0.034 R)
• M24: 46,167,698 km (0.118 R)
• M25: 47,185,263 km (0.085 R)
• M26: 58,589,707 km (0.074 R)
• M27: 60,585,791 km (0.113 R)
• M28: 63,455,976 km (0.058 R)
• M29: 64,502,712 km (0.114 R)
• M30: 68,365,928 km (0.069 R)
• M31: 71,025,479 km (0.084 R)
• M32: 81,367,179 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 781

Radius: 4.2

Gravity: 44.27 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 10.1 AU - 10.66 AU

Year: 22682 Days

Day: 18.3 Hours

Environment

Temp: -246 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,538,396 km

• M1: 52,210 km (0.09 R)
• M2: 531,372 km (0.041 R)
• M3: 1,131,110 km (0.097 R)
• M4: 2,052,184 km (0.086 R)
• M5: 2,431,863 km (0.11 R)
• M6: 3,477,851 km (0.108 R)
• M7: 3,820,281 km (0.102 R)
• M8: 3,983,043 km (0.096 R)
• M9: 6,094,168 km (0.057 R)
• M10: 10,722,427 km (0.091 R)
• M11: 11,715,907 km (0.069 R)
• M12: 12,060,281 km (0.05 R)
• M13: 14,662,536 km (0.077 R)
• M14: 15,224,426 km (0.12 R)
• M15: 18,067,683 km (0.117 R)
• M16: 23,342,803 km (0.055 R)
• M17: 23,887,788 km (0.112 R)
• M18: 28,433,319 km (0.088 R)
• M19: 28,929,835 km (0.038 R)
• M20: 47,512,882 km (0.105 R)
• M21: 49,629,842 km (0.092 R)
• M22: 54,050,608 km (0.106 R)
• M23: 57,731,165 km (0.114 R)
• M24: 63,665,263 km (0.085 R)
• M25: 67,986,248 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 304.8

Radius: 6.6

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 9.57 AU - 11.31 AU

Year: 22879 Days

Day: 18.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 63,538,396 km

• M1: 82,129 km (0.1 R)
• M2: 287,826 km (0.11 R)
• M3: 970,292 km (0.112 R)
• M4: 2,027,949 km (0.065 R)
• M5: 2,897,112 km (0.106 R)
• M6: 3,167,735 km (0.104 R)
• M7: 4,052,606 km (0.049 R)
• M8: 4,584,876 km (0.112 R)
• M9: 5,787,792 km (0.097 R)
• M10: 6,421,189 km (0.108 R)
• M11: 6,882,848 km (0.078 R)
• M12: 13,247,639 km (0.03 R)
• M13: 16,794,904 km (0.032 R)
• M14: 21,018,800 km (0.077 R)
• M15: 22,793,779 km (0.062 R)
• M16: 26,005,196 km (0.107 R)
• M17: 26,320,848 km (0.05 R)
• M18: 30,311,371 km (0.104 R)
• M19: 31,368,579 km (0.105 R)
• M20: 34,433,690 km (0.1 R)
• M21: 38,097,342 km (0.081 R)
• M22: 39,052,225 km (0.104 R)
• M23: 41,580,728 km (0.06 R)
• M24: 46,341,680 km (0.078 R)
• M25: 48,534,336 km (0.1 R)
• M26: 50,304,827 km (0.091 R)
• M27: 50,631,250 km (0.073 R)
• M28: 53,974,164 km (0.059 R)
• M29: 57,461,290 km (0.03 R)
• M30: 60,540,912 km (0.101 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: 402 - 13,166 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit