🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.4

Radius: 8.4

Gravity: 12.97 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.49 AU - 0.53 AU

Year: 251 Days

Day: 8.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 89,628,178 km

• M1: 104,419 km (0.071 R)
• M2: 430,094 km (0.069 R)
• M3: 881,879 km (0.06 R)
• M4: 1,243,158 km (0.059 R)
• M5: 1,742,965 km (0.104 R)
• M6: 2,009,399 km (0.055 R)
• M7: 2,278,525 km (0.091 R)
• M8: 2,728,067 km (0.117 R)
• M9: 3,331,395 km (0.078 R)
• M10: 3,722,593 km (0.099 R)
• M11: 3,996,208 km (0.104 R)
• M12: 4,399,374 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.7

Radius: 13.5

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.5 AU - 0.6 AU

Year: 282 Days

Day: 6.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 89,628,178 km

• M1: 167,849 km (0.092 R)
• M2: 648,507 km (0.106 R)
• M3: 1,124,078 km (0.09 R)
• M4: 1,720,824 km (0.08 R)
• M5: 2,440,091 km (0.048 R)
• M6: 2,885,145 km (0.115 R)
• M7: 3,779,889 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.6

Radius: 9.7

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.63 AU - 0.65 AU

Year: 353 Days

Day: 10.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 89,628,178 km

• M1: 123,269 km (0.029 R)
• M2: 668,702 km (0.083 R)
• M3: 1,033,721 km (0.118 R)
• M4: 1,411,905 km (0.079 R)
• M5: 1,714,691 km (0.118 R)
• M6: 2,076,867 km (0.11 R)
• M7: 2,463,727 km (0.03 R)
• M8: 3,017,539 km (0.057 R)
• M9: 4,258,154 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.3

Radius: 14.8

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.62 AU - 2.38 AU

Year: 1952 Days

Day: 8.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 89,628,178 km

• M1: 184,305 km (0.083 R)
• M2: 730,187 km (0.09 R)
• M3: 1,196,484 km (0.064 R)
• M4: 1,666,969 km (0.09 R)
• M5: 2,191,459 km (0.068 R)
• M6: 2,929,426 km (0.078 R)
• M7: 3,566,712 km (0.107 R)
• M8: 4,048,418 km (0.062 R)
• M9: 4,717,419 km (0.111 R)
• M10: 5,668,712 km (0.115 R)
• M11: 6,177,943 km (0.076 R)
• M12: 6,958,844 km (0.071 R)
• M13: 8,011,864 km (0.102 R)
• M14: 8,781,694 km (0.076 R)
• M15: 10,722,427 km (0.115 R)
• M16: 11,696,908 km (0.074 R)
• M17: 12,935,129 km (0.104 R)
• M18: 14,039,611 km (0.032 R)
• M19: 15,955,510 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.2

Radius: 9

Gravity: 12.18 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.78 AU - 2.48 AU

Year: 2146 Days

Day: 14.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 89,628,178 km

• M1: 111,899 km (0.099 R)
• M2: 454,778 km (0.113 R)
• M3: 817,702 km (0.112 R)
• M4: 1,699,432 km (0.077 R)
• M5: 2,353,324 km (0.089 R)
• M6: 3,268,564 km (0.097 R)
• M7: 4,843,381 km (0.086 R)
• M8: 6,069,934 km (0.117 R)
• M9: 8,712,879 km (0.086 R)
• M10: 11,380,957 km (0.062 R)
• M11: 14,935,403 km (0.073 R)
• M12: 16,388,447 km (0.109 R)
• M13: 17,282,743 km (0.092 R)
• M14: 17,823,838 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.5

Radius: 13.4

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 3.73 AU - 4.13 AU

Year: 5378 Days

Day: 6.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 89,628,178 km

• M1: 173,534 km (0.108 R)
• M2: 1,033,123 km (0.099 R)
• M3: 2,504,717 km (0.08 R)
• M4: 4,239,304 km (0.077 R)
• M5: 4,883,473 km (0.07 R)
• M6: 5,445,213 km (0.097 R)
• M7: 8,726,493 km (0.118 R)
• M8: 10,514,486 km (0.071 R)
• M9: 12,407,348 km (0.096 R)
• M10: 13,233,876 km (0.106 R)
• M11: 13,866,077 km (0.066 R)
• M12: 18,311,827 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 918.3

Radius: 7

Gravity: 18.74 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 7.74 AU - 9.92 AU

Year: 18111 Days

Day: 19.5 Hours

Environment

Temp: -242 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 89,628,178 km

• M1: 98,735 km (0.108 R)
• M2: 346,469 km (0.11 R)
• M3: 567,724 km (0.105 R)
• M4: 793,018 km (0.115 R)
• M5: 1,254,827 km (0.04 R)
• M6: 2,226,316 km (0.113 R)
• M7: 2,804,810 km (0.114 R)
• M8: 3,566,862 km (0.116 R)
• M9: 5,453,890 km (0.102 R)
• M10: 5,857,355 km (0.075 R)
• M11: 6,543,860 km (0.1 R)
• M12: 7,623,208 km (0.111 R)
• M13: 7,974,015 km (0.114 R)
• M14: 8,980,809 km (0.091 R)
• M15: 11,053,188 km (0.096 R)
• M16: 12,302,181 km (0.095 R)
• M17: 13,936,687 km (0.113 R)
• M18: 15,952,967 km (0.099 R)
• M19: 16,527,423 km (0.117 R)
• M20: 20,746,831 km (0.08 R)
• M21: 22,332,868 km (0.057 R)
• M22: 22,947,865 km (0.099 R)
• M23: 25,856,047 km (0.081 R)
• M24: 27,573,431 km (0.033 R)
• M25: 29,001,043 km (0.029 R)
• M26: 32,002,874 km (0.102 R)
• M27: 33,846,219 km (0.077 R)
• M28: 38,323,384 km (0.111 R)
• M29: 41,774,607 km (0.061 R)
• M30: 46,913,144 km (0.082 R)
• M31: 47,415,344 km (0.111 R)
• M32: 58,037,541 km (0.081 R)
• M33: 58,422,905 km (0.052 R)
• M34: 63,386,563 km (0.117 R)
• M35: 67,129,501 km (0.08 R)
• M36: 69,922,643 km (0.071 R)
• M37: 73,916,458 km (0.109 R)
• M38: 75,509,824 km (0.193 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 710.2

Radius: 5.9

Gravity: 20.4 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 8.74 AU - 9.4 AU

Year: 18855 Days

Day: 18.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 89,628,178 km

• M1: 73,303 km (0.107 R)
• M2: 303,534 km (0.078 R)
• M3: 605,123 km (0.064 R)
• M4: 818,749 km (0.113 R)
• M5: 2,192,806 km (0.107 R)
• M6: 3,244,778 km (0.078 R)
• M7: 3,495,803 km (0.101 R)
• M8: 6,161,936 km (0.055 R)
• M9: 6,591,581 km (0.078 R)
• M10: 7,753,059 km (0.075 R)
• M11: 12,447,141 km (0.093 R)
• M12: 12,787,028 km (0.071 R)
• M13: 15,342,309 km (0.084 R)
• M14: 21,339,089 km (0.107 R)
• M15: 22,721,224 km (0.091 R)
• M16: 24,162,001 km (0.105 R)
• M17: 26,884,533 km (0.077 R)
• M18: 31,154,205 km (0.077 R)
• M19: 35,854,720 km (0.059 R)
• M20: 36,266,563 km (0.093 R)
• M21: 42,982,161 km (0.106 R)
• M22: 43,291,529 km (0.062 R)
• M23: 52,748,060 km (0.117 R)
• M24: 66,337,530 km (0.112 R)

Asteroid Belt

Center: 9.74 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 10.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 833.2

Radius: 5

Gravity: 33.33 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 7.91 AU - 12.91 AU

Year: 23184 Days

Day: 24.4 Hours

Environment

Temp: -244 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 89,628,178 km

• M1: 63,130 km (0.116 R)
• M2: 228,885 km (0.06 R)
• M3: 415,433 km (0.072 R)
• M4: 696,079 km (0.089 R)
• M5: 856,597 km (0.039 R)
• M6: 1,151,904 km (0.04 R)
• M7: 1,512,584 km (0.106 R)
• M8: 1,805,646 km (0.078 R)
• M9: 2,224,072 km (0.105 R)
• M10: 3,836,886 km (0.095 R)
• M11: 4,103,170 km (0.106 R)
• M12: 4,562,286 km (0.114 R)
• M13: 5,624,132 km (0.077 R)
• M14: 6,556,725 km (0.093 R)
• M15: 7,691,724 km (0.093 R)
• M16: 7,954,867 km (0.104 R)
• M17: 8,610,704 km (0.076 R)
• M18: 10,343,646 km (0.114 R)
• M19: 11,325,307 km (0.056 R)
• M20: 15,791,402 km (0.103 R)
• M21: 23,322,009 km (0.07 R)
• M22: 24,207,927 km (0.062 R)
• M23: 24,886,952 km (0.086 R)
• M24: 27,242,221 km (0.063 R)
• M25: 29,230,377 km (0.095 R)
• M26: 31,446,370 km (0.057 R)
• M27: 33,214,766 km (0.102 R)
• M28: 37,246,429 km (0.074 R)
• M29: 41,271,509 km (0.11 R)
• M30: 50,905,463 km (0.09 R)
• M31: 52,018,920 km (0.111 R)
• M32: 55,456,080 km (0.105 R)
• M33: 58,838,488 km (0.075 R)
• M34: 59,449,296 km (0.057 R)
• M35: 66,450,028 km (0.12 R)
• M36: 68,675,147 km (0.092 R)
• M37: 74,930,133 km (0.081 R)
• M38: 76,369,863 km (0.088 R)
• M39: 78,072,735 km (0.089 R)
• M40: 78,810,253 km (0.106 R)
• M41: 80,799,605 km (0.077 R)
• M42: 82,313,386 km (0.068 R)
• M43: 86,704,831 km (0.098 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: 389 - 13,795 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit