🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.5

Radius: 8.5

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.09 AU - 1.35 AU

Year: 870 Days

Day: 12.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,206,862 km

• M1: 105,766 km (0.112 R)
• M2: 405,859 km (0.066 R)
• M3: 721,361 km (0.11 R)
• M4: 1,233,584 km (0.105 R)
• M5: 1,733,391 km (0.105 R)
• M6: 2,381,449 km (0.097 R)
• M7: 2,668,078 km (0.098 R)
• M8: 3,568,657 km (0.114 R)
• M9: 3,945,793 km (0.107 R)
• M10: 4,235,415 km (0.046 R)
• M11: 4,673,886 km (0.072 R)
• M12: 5,030,378 km (0.091 R)
• M13: 5,338,400 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.1

Radius: 10

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.64 AU - 2.7 AU

Year: 2064 Days

Day: 14.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,206,862 km

• M1: 124,465 km (0.058 R)
• M2: 477,217 km (0.107 R)
• M3: 788,830 km (0.104 R)
• M4: 1,167,911 km (0.057 R)
• M5: 1,602,941 km (0.116 R)
• M6: 2,533,739 km (0.083 R)
• M7: 2,858,965 km (0.07 R)
• M8: 4,147,451 km (0.05 R)
• M9: 5,025,142 km (0.064 R)
• M10: 5,823,546 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.3

Radius: 14.4

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2.38 AU - 2.48 AU

Year: 2446 Days

Day: 5.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,206,862 km

• M1: 180,415 km (0.119 R)
• M2: 1,817,165 km (0.113 R)
• M3: 2,469,562 km (0.087 R)
• M4: 3,020,680 km (0.055 R)
• M5: 3,862,318 km (0.117 R)
• M6: 7,631,287 km (0.12 R)
• M7: 11,538,933 km (0.12 R)
• M8: 12,030,661 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.7

Radius: 11.3

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.86 AU - 4.42 AU

Year: 4484 Days

Day: 14.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,206,862 km

• M1: 140,921 km (0.065 R)
• M2: 583,880 km (0.087 R)
• M3: 2,709,816 km (0.111 R)
• M4: 4,039,591 km (0.076 R)
• M5: 4,391,745 km (0.102 R)
• M6: 4,861,183 km (0.116 R)
• M7: 5,763,408 km (0.095 R)
• M8: 7,664,348 km (0.071 R)
• M9: 13,468,895 km (0.118 R)
• M10: 13,960,025 km (0.096 R)
• M11: 16,319,931 km (0.115 R)
• M12: 17,334,354 km (0.083 R)
• M13: 18,510,343 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.8

Radius: 9.8

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 4.6 AU - 6.58 AU

Year: 8534 Days

Day: 6.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 40,206,862 km

• M1: 121,922 km (0.076 R)
• M2: 429,047 km (0.055 R)
• M3: 736,919 km (0.113 R)
• M4: 1,054,216 km (0.117 R)
• M5: 1,557,164 km (0.117 R)
• M6: 1,888,374 km (0.107 R)
• M7: 2,410,171 km (0.102 R)
• M8: 2,878,263 km (0.105 R)
• M9: 4,345,669 km (0.095 R)
• M10: 4,890,953 km (0.119 R)
• M11: 6,879,108 km (0.07 R)
• M12: 8,676,377 km (0.106 R)
• M13: 9,079,394 km (0.107 R)
• M14: 10,413,807 km (0.107 R)
• M15: 13,526,789 km (0.085 R)
• M16: 14,376,954 km (0.116 R)
• M17: 16,658,172 km (0.084 R)
• M18: 18,501,816 km (0.088 R)
• M19: 19,170,518 km (0.107 R)
• M20: 20,556,243 km (0.11 R)
• M21: 22,173,097 km (0.088 R)
• M22: 24,399,413 km (0.076 R)
• M23: 25,023,385 km (0.091 R)
• M24: 26,210,445 km (0.065 R)
• M25: 26,583,242 km (0.107 R)
• M26: 27,243,867 km (0.071 R)
• M27: 27,818,921 km (0.049 R)
• M28: 30,712,892 km (0.103 R)
• M29: 31,861,205 km (0.112 R)
• M30: 34,022,146 km (0.054 R)
• M31: 35,934,157 km (0.112 R)
• M32: 36,625,747 km (0.116 R)
• M33: 36,974,909 km (0.111 R)
• M34: 39,481,421 km (0.095 R)
• M35: 41,088,551 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.5

Radius: 12

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 4.73 AU - 6.51 AU

Year: 8602 Days

Day: 7.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 40,206,862 km

• M1: 149,598 km (0.073 R)
• M2: 651,798 km (0.097 R)
• M3: 1,101,639 km (0.1 R)
• M4: 1,932,057 km (0.105 R)
• M5: 2,400,298 km (0.045 R)
• M6: 3,075,882 km (0.094 R)
• M7: 3,669,037 km (0.051 R)
• M8: 4,142,515 km (0.09 R)
• M9: 4,776,510 km (0.057 R)
• M10: 6,311,684 km (0.116 R)
• M11: 10,026,648 km (0.108 R)
• M12: 11,887,496 km (0.083 R)
• M13: 12,692,781 km (0.113 R)
• M14: 13,781,255 km (0.056 R)
• M15: 14,412,259 km (0.119 R)
• M16: 16,491,520 km (0.086 R)
• M17: 17,059,094 km (0.094 R)
• M18: 17,493,227 km (0.076 R)
• M19: 20,742,343 km (0.113 R)
• M20: 22,422,626 km (0.025 R)
• M21: 26,628,720 km (0.112 R)
• M22: 27,410,369 km (0.095 R)
• M23: 28,611,490 km (0.101 R)
• M24: 34,109,810 km (0.098 R)
• M25: 35,852,027 km (0.078 R)
• M26: 40,787,111 km (0.061 R)
• M27: 47,427,163 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 95

Radius: 7.1

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 5.65 AU - 8.07 AU

Year: 11601 Days

Day: 19.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,206,862 km

• M1: 88,263 km (0.042 R)
• M2: 1,034,320 km (0.032 R)
• M3: 1,745,658 km (0.045 R)
• M4: 6,690,765 km (0.115 R)
• M5: 7,145,991 km (0.104 R)
• M6: 11,242,878 km (0.115 R)
• M7: 12,408,844 km (0.106 R)
• M8: 13,859,794 km (0.096 R)
• M9: 18,068,730 km (0.103 R)
• M10: 24,473,314 km (0.074 R)
• M11: 26,342,240 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 148.8

Radius: 5.1

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 8.58 AU - 8.76 AU

Year: 16483 Days

Day: 16.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 40,206,862 km

• M1: 63,429 km (0.112 R)
• M2: 250,427 km (0.117 R)
• M3: 479,312 km (0.089 R)
• M4: 668,403 km (0.115 R)
• M5: 898,335 km (0.098 R)
• M6: 1,726,210 km (0.093 R)
• M7: 2,891,278 km (0.096 R)
• M8: 3,367,747 km (0.098 R)
• M9: 3,721,546 km (0.117 R)
• M10: 4,932,391 km (0.097 R)
• M11: 5,326,133 km (0.091 R)
• M12: 5,905,526 km (0.052 R)
• M13: 7,037,981 km (0.075 R)
• M14: 7,419,755 km (0.12 R)
• M15: 8,865,170 km (0.102 R)
• M16: 10,735,442 km (0.106 R)
• M17: 11,815,689 km (0.085 R)
• M18: 12,685,750 km (0.045 R)
• M19: 13,714,983 km (0.088 R)
• M20: 14,431,258 km (0.116 R)
• M21: 16,133,532 km (0.058 R)
• M22: 16,729,380 km (0.039 R)
• M23: 17,615,897 km (0.12 R)
• M24: 19,334,178 km (0.109 R)
• M25: 20,310,155 km (0.079 R)
• M26: 21,714,879 km (0.107 R)
• M27: 29,133,288 km (0.086 R)
• M28: 29,328,064 km (0.1 R)
• M29: 34,156,335 km (0.106 R)
• M30: 35,468,907 km (0.094 R)
• M31: 35,913,811 km (0.096 R)
• M32: 37,500,147 km (0.039 R)
• M33: 38,194,132 km (0.075 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 427 - 13,120 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit