🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.4

Radius: 12.3

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.6 AU - 0.7 AU

Year: 355 Days

Day: 6.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,847,605 km

• M1: 153,039 km (0.107 R)
• M2: 556,953 km (0.061 R)
• M3: 1,067,979 km (0.041 R)
• M4: 1,683,874 km (0.082 R)
• M5: 2,253,991 km (0.107 R)
• M6: 2,982,533 km (0.062 R)
• M7: 3,385,101 km (0.095 R)
• M8: 4,111,099 km (0.113 R)
• M9: 4,832,909 km (0.119 R)
• M10: 5,264,199 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.8

Radius: 10.3

Gravity: 9.19 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.4 AU - 2.46 AU

Year: 2569 Days

Day: 11.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,847,605 km

• M1: 128,654 km (0.074 R)
• M2: 1,473,240 km (0.081 R)
• M3: 1,814,473 km (0.105 R)
• M4: 2,803,314 km (0.104 R)
• M5: 3,891,489 km (0.056 R)
• M6: 6,498,232 km (0.053 R)
• M7: 6,909,028 km (0.094 R)
• M8: 7,337,177 km (0.108 R)
• M9: 9,674,345 km (0.115 R)
• M10: 10,017,073 km (0.077 R)
• M11: 11,768,116 km (0.102 R)
• M12: 12,558,442 km (0.045 R)
• M13: 13,905,870 km (0.107 R)
• M14: 14,589,682 km (0.093 R)
• M15: 15,657,362 km (0.07 R)
• M16: 18,234,634 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.1

Radius: 12.3

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.19 AU - 2.79 AU

Year: 2665 Days

Day: 7 Hours

Environment

Temp: -208 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,847,605 km

• M1: 213,925 km (0.118 R)
• M2: 1,323,642 km (0.119 R)
• M3: 1,958,685 km (0.097 R)
• M4: 2,744,523 km (0.041 R)
• M5: 4,588,167 km (0.069 R)
• M6: 5,029,929 km (0.085 R)
• M7: 5,573,119 km (0.097 R)
• M8: 6,611,179 km (0.103 R)
• M9: 7,621,563 km (0.083 R)
• M10: 8,085,017 km (0.045 R)
• M11: 12,289,764 km (0.042 R)
• M12: 15,121,802 km (0.062 R)
• M13: 16,105,258 km (0.072 R)
• M14: 16,612,694 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45

Radius: 9.2

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.76 AU - 3.46 AU

Year: 3720 Days

Day: 8.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,847,605 km

• M1: 114,442 km (0.108 R)
• M2: 506,538 km (0.115 R)
• M3: 816,206 km (0.073 R)
• M4: 2,842,808 km (0.071 R)
• M5: 4,203,551 km (0.117 R)
• M6: 5,448,205 km (0.094 R)
• M7: 6,537,128 km (0.085 R)
• M8: 7,865,407 km (0.094 R)
• M9: 9,084,480 km (0.118 R)
• M10: 9,594,160 km (0.026 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.5

Radius: 11.4

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 4.08 AU - 5.38 AU

Year: 6977 Days

Day: 7.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,847,605 km

• M1: 142,716 km (0.039 R)
• M2: 509,680 km (0.069 R)
• M3: 912,547 km (0.086 R)
• M4: 1,297,014 km (0.088 R)
• M5: 2,446,673 km (0.113 R)
• M6: 3,126,595 km (0.087 R)
• M7: 3,733,813 km (0.05 R)
• M8: 4,259,351 km (0.099 R)
• M9: 5,336,006 km (0.076 R)
• M10: 6,171,660 km (0.092 R)
• M11: 6,763,769 km (0.077 R)
• M12: 10,026,498 km (0.073 R)
• M13: 10,503,267 km (0.094 R)
• M14: 10,895,363 km (0.105 R)
• M15: 13,457,974 km (0.098 R)
• M16: 15,881,011 km (0.04 R)
• M17: 16,268,020 km (0.113 R)
• M18: 16,860,428 km (0.113 R)
• M19: 18,510,493 km (0.093 R)
• M20: 18,939,390 km (0.091 R)
• M21: 20,644,955 km (0.084 R)
• M22: 21,495,868 km (0.088 R)
• M23: 25,135,135 km (0.042 R)
• M24: 30,832,570 km (0.118 R)
• M25: 32,873,534 km (0.104 R)
• M26: 34,033,665 km (0.086 R)
• M27: 35,990,555 km (0.056 R)
• M28: 38,021,346 km (0.098 R)
• M29: 39,182,076 km (0.052 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 809.4

Radius: 5.1

Gravity: 31.12 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 4.86 AU - 6.86 AU

Year: 9621 Days

Day: 22.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 64,847,605 km

• M1: 74,649 km (0.085 R)
• M2: 250,726 km (0.12 R)
• M3: 540,048 km (0.11 R)
• M4: 703,559 km (0.086 R)
• M5: 871,707 km (0.094 R)
• M6: 1,078,002 km (0.114 R)
• M7: 2,019,272 km (0.081 R)
• M8: 2,288,847 km (0.084 R)
• M9: 2,727,468 km (0.037 R)
• M10: 2,966,825 km (0.042 R)
• M11: 3,172,971 km (0.087 R)
• M12: 3,796,644 km (0.114 R)
• M13: 5,518,217 km (0.114 R)
• M14: 5,866,331 km (0.042 R)
• M15: 7,616,476 km (0.116 R)
• M16: 9,489,442 km (0.084 R)
• M17: 9,887,671 km (0.101 R)
• M18: 10,931,864 km (0.118 R)
• M19: 12,163,354 km (0.044 R)
• M20: 17,054,157 km (0.119 R)
• M21: 17,941,721 km (0.084 R)
• M22: 18,168,362 km (0.05 R)
• M23: 20,050,752 km (0.112 R)
• M24: 22,581,499 km (0.068 R)
• M25: 30,461,567 km (0.087 R)
• M26: 31,436,197 km (0.029 R)
• M27: 41,162,004 km (0.041 R)
• M28: 44,940,996 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 730.9

Radius: 4.9

Gravity: 30.44 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 7.33 AU - 9.67 AU

Year: 16808 Days

Day: 15.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 64,847,605 km

• M1: 60,886 km (0.06 R)
• M2: 299,196 km (0.119 R)
• M3: 513,270 km (0.12 R)
• M4: 665,711 km (0.097 R)
• M5: 902,674 km (0.084 R)
• M6: 2,243,968 km (0.083 R)
• M7: 3,182,246 km (0.1 R)
• M8: 3,709,130 km (0.093 R)
• M9: 4,164,655 km (0.083 R)
• M10: 5,834,317 km (0.079 R)
• M11: 6,034,778 km (0.104 R)
• M12: 6,577,519 km (0.099 R)
• M13: 6,927,279 km (0.103 R)
• M14: 7,335,532 km (0.116 R)
• M15: 9,844,587 km (0.105 R)
• M16: 13,076,200 km (0.056 R)
• M17: 14,633,514 km (0.095 R)
• M18: 17,195,228 km (0.052 R)
• M19: 18,196,337 km (0.044 R)
• M20: 19,235,743 km (0.051 R)
• M21: 24,509,068 km (0.112 R)
• M22: 29,952,785 km (0.114 R)
• M23: 31,154,654 km (0.09 R)
• M24: 32,890,887 km (0.043 R)
• M25: 35,084,590 km (0.073 R)
• M26: 41,064,765 km (0.053 R)
• M27: 42,396,934 km (0.107 R)
• M28: 43,300,804 km (0.095 R)
• M29: 43,910,565 km (0.091 R)
• M30: 58,443,400 km (0.088 R)
• M31: 62,036,143 km (0.104 R)
• M32: 64,974,394 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 957.1

Radius: 4.2

Gravity: 54.26 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 7.18 AU - 10.78 AU

Year: 18252 Days

Day: 23.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,847,605 km

• M1: 52,359 km (0.098 R)
• M2: 392,246 km (0.11 R)
• M3: 803,490 km (0.09 R)
• M4: 2,528,354 km (0.094 R)
• M5: 4,723,852 km (0.114 R)
• M6: 5,209,447 km (0.115 R)
• M7: 6,235,239 km (0.059 R)
• M8: 10,413,807 km (0.035 R)
• M9: 10,724,073 km (0.049 R)
• M10: 16,561,831 km (0.094 R)
• M11: 16,984,445 km (0.072 R)
• M12: 17,851,215 km (0.085 R)
• M13: 25,534,561 km (0.119 R)
• M14: 34,884,578 km (0.052 R)
• M15: 37,570,159 km (0.084 R)
• M16: 38,741,061 km (0.073 R)
• M17: 40,086,993 km (0.05 R)
• M18: 43,030,332 km (0.114 R)
• M19: 43,348,377 km (0.089 R)
• M20: 44,311,637 km (0.042 R)
• M21: 45,783,232 km (0.085 R)
• M22: 55,490,039 km (0.09 R)
• M23: 65,008,503 km (0.093 R)
• M24: 66,481,443 km (0.062 R)
• M25: 77,655,806 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 354.7

Radius: 5.6

Gravity: 11.31 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 8.44 AU - 11.82 AU

Year: 21868 Days

Day: 15.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,847,605 km

• M1: 81,082 km (0.108 R)
• M2: 297,101 km (0.068 R)
• M3: 542,591 km (0.093 R)
• M4: 942,915 km (0.056 R)
• M5: 1,344,735 km (0.109 R)
• M6: 3,941,904 km (0.059 R)
• M7: 13,104,923 km (0.116 R)
• M8: 41,994,815 km (0.07 R)
• M9: 42,579,144 km (0.108 R)
• M10: 48,403,289 km (0.104 R)
• M11: 53,873,185 km (0.107 R)
• M12: 56,845,396 km (0.089 R)
• M13: 59,925,167 km (0.096 R)
• M14: 61,038,175 km (0.057 R)
• M15: 64,459,778 km (0.084 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: 344 - 19,664 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit