🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.3

Radius: 8.4

Gravity: 10.52 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.84 AU - 0.98 AU

Year: 561 Days

Day: 5.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,197,228 km

• M1: 104,419 km (0.117 R)
• M2: 366,814 km (0.082 R)
• M3: 693,386 km (0.031 R)
• M4: 992,731 km (0.11 R)
• M5: 1,413,550 km (0.113 R)
• M6: 1,709,604 km (0.054 R)
• M7: 2,101,401 km (0.08 R)
• M8: 2,521,023 km (0.105 R)
• M9: 2,880,357 km (0.076 R)
• M10: 3,273,501 km (0.083 R)
• M11: 3,770,315 km (0.094 R)
• M12: 5,424,269 km (0.097 R)
• M13: 5,894,605 km (0.111 R)
• M14: 6,431,063 km (0.07 R)
• M15: 6,895,714 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.2

Radius: 8.1

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.88 AU - 1.08 AU

Year: 626 Days

Day: 8.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,197,228 km

• M1: 100,679 km (0.119 R)
• M2: 528,080 km (0.048 R)
• M3: 822,639 km (0.083 R)
• M4: 1,559,109 km (0.054 R)
• M5: 2,375,315 km (0.099 R)
• M6: 3,694,619 km (0.074 R)
• M7: 4,218,660 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.3

Radius: 13.7

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1 AU - 1.12 AU

Year: 705 Days

Day: 8.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,197,228 km

• M1: 173,234 km (0.108 R)
• M2: 614,099 km (0.085 R)
• M3: 1,119,441 km (0.091 R)
• M4: 1,548,787 km (0.073 R)
• M5: 2,074,324 km (0.109 R)
• M6: 3,129,139 km (0.042 R)
• M7: 3,720,050 km (0.059 R)
• M8: 4,861,033 km (0.104 R)
• M9: 6,096,562 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.2

Radius: 13.7

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.96 AU - 1.5 AU

Year: 881 Days

Day: 6.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 66,197,228 km

• M1: 179,817 km (0.115 R)
• M2: 827,875 km (0.069 R)
• M3: 1,619,846 km (0.1 R)
• M4: 2,170,665 km (0.092 R)
• M5: 4,077,140 km (0.086 R)
• M6: 5,905,675 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.9

Radius: 10.3

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.87 AU - 2.31 AU

Year: 1951 Days

Day: 7 Hours

Environment

Temp: -189 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,197,228 km

• M1: 128,205 km (0.086 R)
• M2: 465,100 km (0.093 R)
• M3: 1,003,203 km (0.108 R)
• M4: 1,500,915 km (0.115 R)
• M5: 2,468,963 km (0.085 R)
• M6: 3,150,232 km (0.073 R)
• M7: 3,757,450 km (0.075 R)
• M8: 4,080,132 km (0.092 R)
• M9: 4,579,191 km (0.078 R)
• M10: 5,183,566 km (0.068 R)
• M11: 8,294,753 km (0.058 R)
• M12: 10,328,087 km (0.047 R)
• M13: 12,047,117 km (0.111 R)
• M14: 12,793,460 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.7

Radius: 14.4

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.82 AU - 2.38 AU

Year: 1965 Days

Day: 10.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,197,228 km

• M1: 179,517 km (0.073 R)
• M2: 643,720 km (0.107 R)
• M3: 1,318,256 km (0.062 R)
• M4: 2,329,837 km (0.036 R)
• M5: 4,389,052 km (0.046 R)
• M6: 4,924,164 km (0.089 R)
• M7: 5,853,914 km (0.088 R)
• M8: 6,748,360 km (0.094 R)
• M9: 7,464,335 km (0.03 R)
• M10: 10,114,611 km (0.087 R)
• M11: 11,723,836 km (0.028 R)
• M12: 12,495,761 km (0.029 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650

Radius: 14.4

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.17 AU - 2.87 AU

Year: 2583 Days

Day: 13 Hours

Environment

Temp: -189 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,197,228 km

• M1: 179,218 km (0.11 R)
• M2: 635,941 km (0.044 R)
• M3: 1,267,543 km (0.104 R)
• M4: 1,938,340 km (0.055 R)
• M5: 3,225,779 km (0.085 R)
• M6: 4,125,460 km (0.081 R)
• M7: 5,024,693 km (0.12 R)
• M8: 6,155,952 km (0.071 R)
• M9: 7,125,646 km (0.044 R)
• M10: 8,226,985 km (0.11 R)
• M11: 9,229,141 km (0.1 R)
• M12: 10,499,377 km (0.068 R)
• M13: 14,206,412 km (0.109 R)
• M14: 15,401,250 km (0.055 R)
• M15: 16,507,377 km (0.071 R)
• M16: 17,611,858 km (0.1 R)
• M17: 18,653,209 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.5

Radius: 10.8

Gravity: 7.89 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 3.37 AU - 5.09 AU

Year: 5617 Days

Day: 10.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 66,197,228 km

• M1: 134,339 km (0.106 R)
• M2: 750,383 km (0.114 R)
• M3: 1,093,261 km (0.077 R)
• M4: 1,850,376 km (0.107 R)
• M5: 2,229,906 km (0.105 R)
• M6: 2,588,941 km (0.071 R)
• M7: 3,425,342 km (0.111 R)
• M8: 3,859,027 km (0.066 R)
• M9: 4,201,905 km (0.091 R)
• M10: 4,591,907 km (0.082 R)
• M11: 5,266,593 km (0.096 R)
• M12: 6,333,974 km (0.036 R)
• M13: 7,134,173 km (0.092 R)
• M14: 7,577,731 km (0.094 R)
• M15: 9,407,462 km (0.091 R)
• M16: 10,448,514 km (0.115 R)
• M17: 10,924,534 km (0.058 R)
• M18: 11,266,216 km (0.114 R)
• M19: 11,868,796 km (0.064 R)
• M20: 13,636,893 km (0.045 R)
• M21: 15,028,752 km (0.113 R)
• M22: 17,822,642 km (0.069 R)
• M23: 20,721,998 km (0.108 R)
• M24: 23,033,285 km (0.076 R)
• M25: 24,004,026 km (0.099 R)
• M26: 29,742,600 km (0.069 R)
• M27: 32,675,317 km (0.045 R)
• M28: 35,475,041 km (0.1 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.4

Radius: 11.4

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 4.61 AU - 5.79 AU

Year: 7656 Days

Day: 7 Hours

Environment

Temp: -219 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,197,228 km

• M1: 150,047 km (0.088 R)
• M2: 571,763 km (0.12 R)
• M3: 1,027,588 km (0.052 R)
• M4: 1,435,392 km (0.06 R)
• M5: 2,072,678 km (0.09 R)
• M6: 3,049,702 km (0.097 R)
• M7: 3,955,966 km (0.094 R)
• M8: 6,237,782 km (0.067 R)
• M9: 6,907,682 km (0.086 R)
• M10: 7,726,580 km (0.105 R)
• M11: 8,793,512 km (0.104 R)
• M12: 9,208,347 km (0.056 R)
• M13: 10,077,511 km (0.12 R)
• M14: 11,000,679 km (0.045 R)
• M15: 11,887,795 km (0.071 R)
• M16: 12,395,829 km (0.056 R)
• M17: 14,109,024 km (0.111 R)
• M18: 15,480,238 km (0.105 R)
• M19: 17,112,201 km (0.085 R)
• M20: 22,274,973 km (0.066 R)
• M21: 24,130,286 km (0.1 R)
• M22: 25,397,829 km (0.067 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 496.9

Radius: 6.2

Gravity: 12.93 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 8.43 AU - 10.67 AU

Year: 19055 Days

Day: 15.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 66,197,228 km

• M1: 77,342 km (0.059 R)
• M2: 278,701 km (0.057 R)
• M3: 582,684 km (0.113 R)
• M4: 820,245 km (0.076 R)
• M5: 1,049,429 km (0.09 R)
• M6: 1,971,550 km (0.109 R)
• M7: 2,243,669 km (0.062 R)
• M8: 2,960,841 km (0.069 R)
• M9: 3,213,661 km (0.078 R)
• M10: 3,591,845 km (0.075 R)
• M11: 5,188,802 km (0.072 R)
• M12: 6,941,940 km (0.095 R)
• M13: 7,163,344 km (0.115 R)
• M14: 8,491,774 km (0.038 R)
• M15: 10,258,973 km (0.076 R)
• M16: 12,193,573 km (0.041 R)
• M17: 15,233,252 km (0.088 R)
• M18: 15,911,828 km (0.094 R)
• M19: 17,737,072 km (0.066 R)
• M20: 21,516,063 km (0.085 R)
• M21: 22,273,777 km (0.105 R)
• M22: 23,344,449 km (0.045 R)
• M23: 27,417,400 km (0.108 R)
• M24: 27,638,207 km (0.054 R)
• M25: 28,533,101 km (0.073 R)
• M26: 29,795,109 km (0.119 R)
• M27: 30,498,967 km (0.087 R)
• M28: 31,696,498 km (0.105 R)
• M29: 32,429,976 km (0.088 R)
• M30: 37,069,754 km (0.099 R)
• M31: 42,427,303 km (0.101 R)
• M32: 45,598,478 km (0.046 R)
• M33: 50,563,183 km (0.083 R)
• M34: 51,229,043 km (0.109 R)
• M35: 59,310,320 km (0.085 R)
• M36: 62,118,571 km (0.055 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 180 - 17,335 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit