🌌 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: 632.2

Radius: 8.1

Gravity: 9.64 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.62 AU - 0.66 AU

Year: 347 Days

Day: 12.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,151,507 km

• M1: 105,466 km (0.067 R)
• M2: 261,946 km (0.057 R)
• M3: 512,822 km (0.08 R)
• M4: 673,340 km (0.118 R)
• M5: 1,038,658 km (0.089 R)
• M6: 1,401,582 km (0.104 R)
• M7: 2,417,801 km (0.119 R)
• M8: 2,715,501 km (0.114 R)
• M9: 3,130,335 km (0.105 R)
• M10: 4,613,898 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.2

Radius: 9.3

Gravity: 10.36 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.16 AU - 1.26 AU

Year: 903 Days

Day: 5.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 64,151,507 km

• M1: 117,734 km (0.086 R)
• M2: 292,015 km (0.086 R)
• M3: 488,437 km (0.1 R)
• M4: 677,230 km (0.109 R)
• M5: 893,249 km (0.08 R)
• M6: 1,314,816 km (0.067 R)
• M7: 1,878,201 km (0.09 R)
• M8: 2,362,150 km (0.099 R)
• M9: 2,787,158 km (0.091 R)
• M10: 3,046,710 km (0.09 R)
• M11: 3,272,005 km (0.096 R)
• M12: 3,998,302 km (0.12 R)
• M13: 4,178,568 km (0.06 R)
• M14: 4,564,979 km (0.11 R)
• M15: 5,184,763 km (0.065 R)
• M16: 5,524,799 km (0.105 R)
• M17: 6,016,228 km (0.104 R)
• M18: 6,512,743 km (0.114 R)
• M19: 7,234,703 km (0.105 R)
• M20: 7,460,595 km (0.112 R)
• M21: 7,725,533 km (0.078 R)
• M22: 7,904,901 km (0.061 R)
• M23: 8,586,170 km (0.088 R)
• M24: 9,315,759 km (0.113 R)
• M25: 9,532,676 km (0.117 R)
• M26: 9,852,516 km (0.09 R)
• M27: 10,177,742 km (0.064 R)
• M28: 10,362,944 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.3

Radius: 14.9

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.49 AU - 1.61 AU

Year: 1309 Days

Day: 9.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,151,507 km

• M1: 185,352 km (0.085 R)
• M2: 564,732 km (0.086 R)
• M3: 896,540 km (0.118 R)
• M4: 1,347,428 km (0.103 R)
• M5: 1,730,399 km (0.116 R)
• M6: 2,272,392 km (0.055 R)
• M7: 3,347,701 km (0.104 R)
• M8: 3,723,341 km (0.104 R)
• M9: 4,004,735 km (0.08 R)
• M10: 4,507,533 km (0.071 R)
• M11: 5,138,836 km (0.034 R)
• M12: 5,778,517 km (0.047 R)
• M13: 6,962,584 km (0.096 R)
• M14: 7,667,190 km (0.117 R)
• M15: 8,197,814 km (0.112 R)
• M16: 9,447,106 km (0.065 R)
• M17: 9,967,407 km (0.06 R)
• M18: 10,455,096 km (0.119 R)
• M19: 10,954,454 km (0.087 R)
• M20: 12,267,773 km (0.084 R)
• M21: 12,991,977 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996

Radius: 11.3

Gravity: 7.8 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.73 AU - 1.89 AU

Year: 1652 Days

Day: 5.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,151,507 km

• M1: 187,745 km (0.065 R)
• M2: 953,686 km (0.079 R)
• M3: 1,253,032 km (0.113 R)
• M4: 1,475,484 km (0.093 R)
• M5: 1,748,650 km (0.073 R)
• M6: 2,069,537 km (0.098 R)
• M7: 3,081,567 km (0.067 R)
• M8: 3,843,319 km (0.119 R)
• M9: 4,175,875 km (0.108 R)
• M10: 5,295,615 km (0.098 R)
• M11: 5,648,816 km (0.056 R)
• M12: 5,994,237 km (0.102 R)
• M13: 6,350,130 km (0.087 R)
• M14: 7,221,388 km (0.067 R)
• M15: 9,924,622 km (0.086 R)
• M16: 11,739,543 km (0.086 R)
• M17: 12,015,402 km (0.083 R)
• M18: 12,378,775 km (0.102 R)
• M19: 12,605,117 km (0.098 R)
• M20: 15,992,162 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.6

Radius: 13.1

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 3.65 AU - 5.85 AU

Year: 7022 Days

Day: 11.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,151,507 km

• M1: 235,766 km (0.079 R)
• M2: 577,747 km (0.118 R)
• M3: 921,523 km (0.097 R)
• M4: 1,549,834 km (0.027 R)
• M5: 2,240,677 km (0.111 R)
• M6: 3,091,440 km (0.101 R)
• M7: 4,235,116 km (0.081 R)
• M8: 5,065,833 km (0.11 R)
• M9: 6,062,753 km (0.109 R)
• M10: 6,611,179 km (0.081 R)
• M11: 6,894,667 km (0.08 R)
• M12: 7,579,675 km (0.115 R)
• M13: 8,054,649 km (0.085 R)
• M14: 9,012,673 km (0.096 R)
• M15: 10,063,898 km (0.054 R)
• M16: 12,429,339 km (0.108 R)
• M17: 13,661,876 km (0.081 R)
• M18: 14,346,436 km (0.115 R)
• M19: 16,750,474 km (0.079 R)
• M20: 17,051,614 km (0.096 R)
• M21: 18,387,822 km (0.083 R)
• M22: 18,862,197 km (0.096 R)
• M23: 19,128,332 km (0.116 R)
• M24: 19,938,105 km (0.084 R)
• M25: 20,709,282 km (0.117 R)
• M26: 26,205,957 km (0.116 R)
• M27: 31,523,712 km (0.04 R)
• M28: 36,295,286 km (0.077 R)
• M29: 37,409,940 km (0.053 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 175.9

Radius: 5.9

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 5.43 AU - 8.27 AU

Year: 12160 Days

Day: 19.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 64,151,507 km

• M1: 273,465 km (0.071 R)
• M2: 455,226 km (0.111 R)
• M3: 1,098,048 km (0.11 R)
• M4: 1,615,358 km (0.045 R)
• M5: 1,764,956 km (0.067 R)
• M6: 2,542,565 km (0.09 R)
• M7: 3,046,860 km (0.075 R)
• M8: 3,274,249 km (0.082 R)
• M9: 3,488,323 km (0.113 R)
• M10: 4,587,120 km (0.087 R)
• M11: 6,567,197 km (0.092 R)
• M12: 8,628,656 km (0.095 R)
• M13: 9,082,087 km (0.101 R)
• M14: 9,366,921 km (0.1 R)
• M15: 9,510,984 km (0.095 R)
• M16: 11,326,504 km (0.074 R)
• M17: 11,564,663 km (0.085 R)
• M18: 13,646,318 km (0.106 R)
• M19: 13,776,618 km (0.11 R)
• M20: 15,115,070 km (0.025 R)
• M21: 17,582,387 km (0.118 R)
• M22: 19,400,450 km (0.062 R)
• M23: 19,921,350 km (0.112 R)
• M24: 23,590,238 km (0.093 R)
• M25: 25,038,794 km (0.087 R)
• M26: 27,200,932 km (0.113 R)
• M27: 27,323,752 km (0.111 R)
• M28: 27,446,721 km (0.117 R)
• M29: 31,200,581 km (0.109 R)
• M30: 33,269,669 km (0.083 R)
• M31: 34,363,528 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 615.5

Radius: 4.8

Gravity: 26.71 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 6.05 AU - 9.83 AU

Year: 15175 Days

Day: 21 Hours

Environment

Temp: -231 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 64,151,507 km

• M1: 177,872 km (0.079 R)
• M2: 294,259 km (0.102 R)
• M3: 412,142 km (0.05 R)
• M4: 576,101 km (0.041 R)
• M5: 1,013,077 km (0.118 R)
• M6: 1,171,800 km (0.084 R)
• M7: 1,360,443 km (0.08 R)
• M8: 1,823,149 km (0.106 R)
• M9: 2,574,280 km (0.046 R)
• M10: 3,843,020 km (0.109 R)
• M11: 6,269,048 km (0.08 R)
• M12: 6,624,493 km (0.113 R)
• M13: 7,749,618 km (0.1 R)
• M14: 8,100,126 km (0.116 R)
• M15: 8,594,846 km (0.056 R)
• M16: 10,619,504 km (0.109 R)
• M17: 11,926,840 km (0.083 R)
• M18: 14,294,825 km (0.115 R)
• M19: 17,394,642 km (0.117 R)
• M20: 19,469,714 km (0.063 R)
• M21: 21,589,666 km (0.064 R)
• M22: 26,158,684 km (0.06 R)
• M23: 28,441,398 km (0.084 R)
• M24: 30,301,946 km (0.086 R)
• M25: 31,956,349 km (0.077 R)
• M26: 32,221,586 km (0.119 R)
• M27: 38,238,562 km (0.1 R)
• M28: 46,884,721 km (0.027 R)
• M29: 52,495,538 km (0.097 R)
• M30: 54,206,340 km (0.069 R)
• M31: 55,014,019 km (0.062 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 27.7

Radius: 3.1

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 9.31 AU - 9.85 AU

Year: 20111 Days

Day: 21 Hours

Environment

Temp: -234 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,151,507 km

• M1: 56,249 km (0.087 R)
• M2: 205,996 km (0.044 R)
• M3: 360,980 km (0.083 R)
• M4: 1,085,482 km (0.112 R)
• M5: 1,546,244 km (0.117 R)
• M6: 2,105,291 km (0.113 R)
• M7: 2,505,465 km (0.116 R)
• M8: 5,338,998 km (0.101 R)
• M9: 5,553,073 km (0.11 R)
• M10: 8,996,218 km (0.115 R)
• M11: 9,180,971 km (0.078 R)
• M12: 9,810,180 km (0.042 R)
• M13: 9,938,535 km (0.098 R)
• M14: 12,284,528 km (0.118 R)
• M15: 13,159,078 km (0.1 R)
• M16: 15,922,449 km (0.077 R)
• M17: 19,941,396 km (0.071 R)
• M18: 20,400,512 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 347.5

Radius: 3.7

Gravity: 25.38 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 8.67 AU - 11.51 AU

Year: 21738 Days

Day: 16.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 64,151,507 km

• M1: 300,393 km (0.092 R)
• M2: 477,068 km (0.099 R)
• M3: 1,356,853 km (0.066 R)
• M4: 1,728,454 km (0.026 R)
• M5: 2,077,166 km (0.086 R)
• M6: 3,205,434 km (0.054 R)
• M7: 3,769,268 km (0.042 R)
• M8: 3,862,617 km (0.099 R)
• M9: 5,071,817 km (0.053 R)
• M10: 5,363,233 km (0.093 R)
• M11: 6,858,913 km (0.067 R)
• M12: 7,112,032 km (0.094 R)
• M13: 7,632,035 km (0.099 R)
• M14: 8,079,482 km (0.08 R)
• M15: 9,060,844 km (0.066 R)
• M16: 9,846,532 km (0.082 R)
• M17: 16,394,580 km (0.114 R)
• M18: 16,589,357 km (0.079 R)
• M19: 17,446,852 km (0.092 R)
• M20: 25,570,315 km (0.093 R)
• M21: 26,058,004 km (0.102 R)
• M22: 30,038,205 km (0.096 R)
• M23: 30,921,581 km (0.061 R)
• M24: 33,186,044 km (0.049 R)
• M25: 35,245,109 km (0.101 R)
• M26: 37,464,094 km (0.099 R)
• M27: 40,562,266 km (0.081 R)
• M28: 41,587,909 km (0.116 R)
• M29: 41,691,281 km (0.055 R)
• M30: 43,677,791 km (0.098 R)
• M31: 45,278,788 km (0.083 R)
• M32: 45,818,985 km (0.056 R)
• M33: 46,580,439 km (0.079 R)
• M34: 48,678,998 km (0.084 R)
• M35: 53,834,140 km (0.119 R)
• M36: 53,951,574 km (0.118 R)
• M37: 58,389,395 km (0.083 R)
• M38: 58,756,957 km (0.073 R)
• M39: 58,879,777 km (0.072 R)
• M40: 59,248,835 km (0.102 R)
• M41: 61,612,930 km (0.102 R)
• M42: 63,129,853 km (0.043 R)
• M43: 63,895,345 km (0.106 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 357 - 20,145 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit