🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.9

Radius: 13.4

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.54 AU - 0.64 AU

Year: 319 Days

Day: 12.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,356,810 km

• M1: 166,652 km (0.063 R)
• M2: 592,108 km (0.08 R)
• M3: 1,025,493 km (0.086 R)
• M4: 1,481,169 km (0.108 R)
• M5: 2,139,399 km (0.063 R)
• M6: 2,756,042 km (0.06 R)
• M7: 3,984,689 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.8

Radius: 14.9

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.49 AU - 0.81 AU

Year: 368 Days

Day: 13.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 63.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 41,356,810 km

• M1: 185,352 km (0.11 R)
• M2: 736,022 km (0.115 R)
• M3: 1,506,750 km (0.038 R)
• M4: 1,980,377 km (0.032 R)
• M5: 2,492,151 km (0.1 R)
• M6: 3,002,878 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.2

Radius: 10.1

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.6 AU - 1.8 AU

Year: 1558 Days

Day: 6.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,356,810 km

• M1: 125,662 km (0.115 R)
• M2: 476,918 km (0.116 R)
• M3: 1,146,518 km (0.096 R)
• M4: 2,317,421 km (0.082 R)
• M5: 2,838,919 km (0.104 R)
• M6: 3,595,435 km (0.072 R)
• M7: 3,909,740 km (0.09 R)
• M8: 5,106,823 km (0.109 R)
• M9: 5,570,277 km (0.083 R)
• M10: 6,015,630 km (0.093 R)
• M11: 6,341,603 km (0.114 R)
• M12: 6,877,613 km (0.049 R)
• M13: 7,260,134 km (0.06 R)
• M14: 7,929,435 km (0.119 R)
• M15: 11,197,700 km (0.113 R)
• M16: 11,620,763 km (0.098 R)
• M17: 12,499,052 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.8

Radius: 12.1

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.8 AU - 2.02 AU

Year: 1855 Days

Day: 6.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 41,356,810 km

• M1: 150,645 km (0.089 R)
• M2: 564,134 km (0.097 R)
• M3: 1,024,745 km (0.043 R)
• M4: 1,537,118 km (0.098 R)
• M5: 1,919,789 km (0.041 R)
• M6: 2,783,568 km (0.109 R)
• M7: 3,766,126 km (0.116 R)
• M8: 4,415,980 km (0.101 R)
• M9: 5,495,478 km (0.12 R)
• M10: 6,613,123 km (0.037 R)
• M11: 7,308,903 km (0.064 R)
• M12: 7,760,838 km (0.116 R)
• M13: 8,291,612 km (0.106 R)
• M14: 8,783,639 km (0.042 R)
• M15: 9,165,413 km (0.091 R)
• M16: 10,625,488 km (0.078 R)
• M17: 11,096,123 km (0.072 R)
• M18: 12,314,149 km (0.087 R)
• M19: 12,955,475 km (0.071 R)
• M20: 13,577,054 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.2

Radius: 11.6

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.66 AU - 3.1 AU

Year: 3436 Days

Day: 6.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,356,810 km

• M1: 146,756 km (0.06 R)
• M2: 880,533 km (0.091 R)
• M3: 1,385,575 km (0.118 R)
• M4: 2,784,914 km (0.106 R)
• M5: 3,738,301 km (0.033 R)
• M6: 4,873,749 km (0.1 R)
• M7: 6,709,315 km (0.071 R)
• M8: 7,945,143 km (0.099 R)
• M9: 9,998,523 km (0.094 R)
• M10: 11,991,017 km (0.093 R)
• M11: 13,898,989 km (0.074 R)
• M12: 17,238,611 km (0.104 R)
• M13: 20,454,367 km (0.081 R)
• M14: 21,142,368 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.1

Radius: 15

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.92 AU - 3.38 AU

Year: 3930 Days

Day: 14.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,356,810 km

• M1: 186,549 km (0.111 R)
• M2: 655,538 km (0.09 R)
• M3: 1,212,640 km (0.07 R)
• M4: 1,708,856 km (0.118 R)
• M5: 2,468,963 km (0.047 R)
• M6: 4,017,451 km (0.117 R)
• M7: 4,807,028 km (0.069 R)
• M8: 5,931,107 km (0.086 R)
• M9: 6,928,177 km (0.078 R)
• M10: 9,362,433 km (0.098 R)
• M11: 11,396,366 km (0.085 R)
• M12: 12,107,105 km (0.079 R)
• M13: 16,114,982 km (0.101 R)
• M14: 17,554,113 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.7

Radius: 9

Gravity: 11.07 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.93 AU - 4.79 AU

Year: 5331 Days

Day: 14.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,356,810 km

• M1: 129,552 km (0.066 R)
• M2: 492,925 km (0.078 R)
• M3: 949,946 km (0.111 R)
• M4: 2,787,158 km (0.085 R)
• M5: 3,348,599 km (0.052 R)
• M6: 3,679,360 km (0.111 R)
• M7: 5,112,507 km (0.111 R)
• M8: 7,386,395 km (0.087 R)
• M9: 9,246,794 km (0.114 R)
• M10: 11,449,024 km (0.086 R)
• M11: 11,999,096 km (0.09 R)
• M12: 13,314,809 km (0.031 R)
• M13: 16,355,386 km (0.115 R)
• M14: 17,704,758 km (0.105 R)
• M15: 22,895,206 km (0.109 R)
• M16: 24,581,174 km (0.069 R)
• M17: 27,043,256 km (0.119 R)
• M18: 29,758,607 km (0.062 R)
• M19: 32,254,647 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 589.4

Radius: 5

Gravity: 23.58 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 6.11 AU - 6.61 AU

Year: 11274 Days

Day: 17.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 41,356,810 km

• M1: 62,233 km (0.094 R)
• M2: 253,120 km (0.12 R)
• M3: 422,315 km (0.07 R)
• M4: 678,127 km (0.077 R)
• M5: 929,152 km (0.058 R)
• M6: 1,589,178 km (0.092 R)
• M7: 1,883,437 km (0.113 R)
• M8: 2,480,482 km (0.103 R)
• M9: 3,338,725 km (0.058 R)
• M10: 4,408,649 km (0.098 R)
• M11: 4,586,820 km (0.049 R)
• M12: 5,517,020 km (0.083 R)
• M13: 6,154,008 km (0.108 R)
• M14: 9,537,313 km (0.111 R)
• M15: 11,148,033 km (0.117 R)
• M16: 14,178,138 km (0.061 R)
• M17: 16,477,757 km (0.105 R)
• M18: 16,907,851 km (0.097 R)
• M19: 18,243,012 km (0.092 R)
• M20: 23,558,972 km (0.107 R)
• M21: 26,469,398 km (0.101 R)
• M22: 30,674,894 km (0.088 R)
• M23: 33,789,671 km (0.098 R)
• M24: 34,251,031 km (0.106 R)
• M25: 40,638,710 km (0.059 R)
• M26: 44,385,987 km (0.041 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 256.3

Radius: 5.5

Gravity: 8.47 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 5.86 AU - 8.2 AU

Year: 13102 Days

Day: 20.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 41,356,810 km

• M1: 71,657 km (0.112 R)
• M2: 253,868 km (0.071 R)
• M3: 532,419 km (0.082 R)
• M4: 794,065 km (0.106 R)
• M5: 1,525,300 km (0.111 R)
• M6: 1,808,489 km (0.107 R)
• M7: 2,027,051 km (0.103 R)
• M8: 2,298,422 km (0.067 R)
• M9: 3,083,811 km (0.099 R)
• M10: 3,328,253 km (0.071 R)
• M11: 4,925,959 km (0.092 R)
• M12: 6,355,516 km (0.081 R)
• M13: 7,088,695 km (0.055 R)
• M14: 10,441,632 km (0.052 R)
• M15: 13,750,288 km (0.111 R)
• M16: 14,291,085 km (0.082 R)
• M17: 15,287,406 km (0.102 R)
• M18: 16,262,635 km (0.112 R)
• M19: 17,278,704 km (0.082 R)
• M20: 19,362,004 km (0.063 R)
• M21: 24,891,440 km (0.06 R)
• M22: 26,513,829 km (0.099 R)
• M23: 28,784,725 km (0.108 R)
• M24: 30,067,377 km (0.108 R)
• M25: 31,594,173 km (0.075 R)
• M26: 33,171,981 km (0.082 R)
• M27: 33,386,206 km (0.107 R)
• M28: 36,029,899 km (0.077 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: 345 - 17,736 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit