🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.3

Radius: 13.5

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.43 AU - 0.65 AU

Year: 274 Days

Day: 10.1 Hours

Environment

Temp: -137 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,679,575 km

• M1: 167,998 km (0.116 R)
• M2: 766,689 km (0.106 R)
• M3: 1,315,564 km (0.075 R)
• M4: 1,889,122 km (0.088 R)
• M5: 2,317,570 km (0.096 R)
• M6: 3,105,502 km (0.088 R)
• M7: 3,585,263 km (0.05 R)
• M8: 4,629,007 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.4

Radius: 14

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.52 AU - 0.58 AU

Year: 282 Days

Day: 10.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 90.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,679,575 km

• M1: 174,132 km (0.111 R)
• M2: 803,490 km (0.05 R)
• M3: 1,260,661 km (0.088 R)
• M4: 1,733,690 km (0.109 R)
• M5: 2,255,038 km (0.112 R)
• M6: 2,730,610 km (0.085 R)
• M7: 3,301,625 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357

Radius: 9.8

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.96 AU - 1 AU

Year: 670 Days

Day: 12.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,679,575 km

• M1: 121,922 km (0.115 R)
• M2: 551,867 km (0.075 R)
• M3: 1,045,540 km (0.081 R)
• M4: 1,403,228 km (0.061 R)
• M5: 1,780,514 km (0.052 R)
• M6: 2,421,690 km (0.108 R)
• M7: 2,937,055 km (0.092 R)
• M8: 3,587,207 km (0.055 R)
• M9: 4,216,266 km (0.083 R)
• M10: 5,659,138 km (0.091 R)
• M11: 6,194,100 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.5

Radius: 14.8

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.88 AU - 3.56 AU

Year: 3988 Days

Day: 5.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,679,575 km

• M1: 184,005 km (0.101 R)
• M2: 814,560 km (0.06 R)
• M3: 1,649,167 km (0.119 R)
• M4: 2,262,369 km (0.113 R)
• M5: 2,937,055 km (0.113 R)
• M6: 3,420,855 km (0.111 R)
• M7: 4,432,884 km (0.051 R)
• M8: 8,528,724 km (0.058 R)
• M9: 9,425,563 km (0.081 R)
• M10: 10,706,121 km (0.042 R)
• M11: 11,407,436 km (0.1 R)
• M12: 12,738,707 km (0.115 R)
• M13: 13,997,574 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.1

Radius: 9

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 4.08 AU - 5.74 AU

Year: 7510 Days

Day: 5.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,679,575 km

• M1: 113,096 km (0.049 R)
• M2: 533,167 km (0.1 R)
• M3: 850,165 km (0.087 R)
• M4: 1,499,419 km (0.051 R)
• M5: 2,246,810 km (0.074 R)
• M6: 2,730,460 km (0.032 R)
• M7: 3,563,870 km (0.038 R)
• M8: 3,862,019 km (0.093 R)
• M9: 4,246,485 km (0.106 R)
• M10: 4,631,700 km (0.09 R)
• M11: 5,199,274 km (0.056 R)
• M12: 7,249,812 km (0.078 R)
• M13: 7,979,251 km (0.107 R)
• M14: 9,183,813 km (0.073 R)
• M15: 11,077,124 km (0.076 R)
• M16: 12,817,845 km (0.109 R)
• M17: 14,625,436 km (0.109 R)
• M18: 15,061,364 km (0.039 R)
• M19: 16,016,546 km (0.118 R)
• M20: 19,843,709 km (0.12 R)
• M21: 20,581,077 km (0.042 R)
• M22: 21,059,640 km (0.06 R)
• M23: 22,181,624 km (0.071 R)
• M24: 22,684,872 km (0.054 R)
• M25: 24,620,818 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.4

Radius: 10.6

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 4.12 AU - 5.72 AU

Year: 7533 Days

Day: 14 Hours

Environment

Temp: -234 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,679,575 km

• M1: 132,993 km (0.113 R)
• M2: 498,909 km (0.11 R)
• M3: 895,942 km (0.096 R)
• M4: 1,280,857 km (0.057 R)
• M5: 1,943,276 km (0.09 R)
• M6: 2,383,692 km (0.041 R)
• M7: 3,628,646 km (0.077 R)
• M8: 3,966,139 km (0.099 R)
• M9: 5,081,690 km (0.069 R)
• M10: 8,420,565 km (0.091 R)
• M11: 8,864,571 km (0.103 R)
• M12: 12,049,061 km (0.096 R)
• M13: 20,366,703 km (0.071 R)
• M14: 25,955,530 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 181

Radius: 3.7

Gravity: 13.22 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 5.07 AU - 6.77 AU

Year: 9942 Days

Day: 17.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 59,679,575 km

• M1: 61,036 km (0.046 R)
• M2: 236,664 km (0.072 R)
• M3: 463,753 km (0.069 R)
• M4: 1,115,701 km (0.064 R)
• M5: 1,302,249 km (0.077 R)
• M6: 1,473,389 km (0.067 R)
• M7: 1,698,385 km (0.111 R)
• M8: 1,860,848 km (0.04 R)
• M9: 2,461,483 km (0.069 R)
• M10: 3,122,108 km (0.108 R)
• M11: 3,408,438 km (0.12 R)
• M12: 6,754,045 km (0.066 R)
• M13: 7,302,321 km (0.11 R)
• M14: 7,515,348 km (0.1 R)
• M15: 8,255,558 km (0.099 R)
• M16: 9,539,108 km (0.096 R)
• M17: 10,316,568 km (0.088 R)
• M18: 10,857,813 km (0.07 R)
• M19: 11,182,142 km (0.104 R)
• M20: 14,508,749 km (0.078 R)
• M21: 14,676,598 km (0.108 R)
• M22: 15,418,305 km (0.065 R)
• M23: 18,439,583 km (0.117 R)
• M24: 18,768,399 km (0.101 R)
• M25: 20,123,008 km (0.096 R)
• M26: 22,949,211 km (0.101 R)
• M27: 24,417,364 km (0.116 R)
• M28: 24,813,799 km (0.108 R)
• M29: 25,295,205 km (0.06 R)
• M30: 26,193,989 km (0.082 R)
• M31: 27,029,343 km (0.099 R)
• M32: 28,929,236 km (0.116 R)
• M33: 30,092,808 km (0.112 R)
• M34: 30,274,570 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 418.5

Radius: 5.3

Gravity: 14.9 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 6.97 AU - 10.47 AU

Year: 17774 Days

Day: 24.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 59,679,575 km

• M1: 66,272 km (0.108 R)
• M2: 474,824 km (0.101 R)
• M3: 953,387 km (0.092 R)
• M4: 2,074,773 km (0.116 R)
• M5: 2,267,156 km (0.084 R)
• M6: 3,061,072 km (0.099 R)
• M7: 4,545,980 km (0.03 R)
• M8: 6,137,402 km (0.1 R)
• M9: 6,783,067 km (0.088 R)
• M10: 7,607,351 km (0.036 R)
• M11: 8,545,180 km (0.082 R)
• M12: 8,791,119 km (0.116 R)
• M13: 8,991,281 km (0.06 R)
• M14: 10,312,230 km (0.064 R)
• M15: 10,591,230 km (0.054 R)
• M16: 12,247,129 km (0.078 R)
• M17: 17,126,862 km (0.097 R)
• M18: 19,226,917 km (0.091 R)
• M19: 20,689,236 km (0.038 R)
• M20: 21,222,552 km (0.099 R)
• M21: 21,856,249 km (0.099 R)
• M22: 28,793,102 km (0.11 R)
• M23: 31,512,941 km (0.108 R)
• M24: 31,747,062 km (0.101 R)
• M25: 32,100,412 km (0.067 R)
• M26: 33,055,445 km (0.104 R)
• M27: 35,399,195 km (0.073 R)
• M28: 36,805,564 km (0.085 R)
• M29: 38,115,892 km (0.118 R)
• M30: 40,552,692 km (0.068 R)
• M31: 44,693,561 km (0.104 R)
• M32: 48,950,667 km (0.077 R)
• M33: 52,643,640 km (0.118 R)
• M34: 55,660,132 km (0.064 R)
• M35: 58,084,515 km (0.101 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 383 - 11,841 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit