🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.6

Radius: 10.6

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.42 AU - 0.6 AU

Year: 247 Days

Day: 8.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 84,397,526 km

• M1: 132,394 km (0.054 R)
• M2: 595,549 km (0.11 R)
• M3: 1,096,852 km (0.042 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.6

Radius: 8.4

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.78 AU - 0.84 AU

Year: 494 Days

Day: 14.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 84,397,526 km

• M1: 104,719 km (0.115 R)
• M2: 391,049 km (0.069 R)
• M3: 670,647 km (0.041 R)
• M4: 1,003,652 km (0.082 R)
• M5: 1,327,681 km (0.088 R)
• M6: 2,324,751 km (0.088 R)
• M7: 3,716,909 km (0.12 R)
• M8: 4,131,295 km (0.12 R)
• M9: 4,721,758 km (0.105 R)
• M10: 5,006,891 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678

Radius: 9.3

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.88 AU - 1 AU

Year: 618 Days

Day: 9.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 84,397,526 km

• M1: 115,639 km (0.101 R)
• M2: 541,843 km (0.084 R)
• M3: 1,155,494 km (0.057 R)
• M4: 1,792,781 km (0.03 R)
• M5: 2,162,886 km (0.113 R)
• M6: 2,626,639 km (0.107 R)
• M7: 3,082,913 km (0.062 R)
• M8: 3,394,376 km (0.11 R)
• M9: 4,304,380 km (0.083 R)
• M10: 5,281,403 km (0.055 R)
• M11: 5,692,797 km (0.116 R)
• M12: 5,991,395 km (0.069 R)
• M13: 6,702,134 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.9

Radius: 11.2

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.91 AU - 1.21 AU

Year: 740 Days

Day: 14.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 169.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 84,397,526 km

• M1: 140,472 km (0.094 R)
• M2: 819,647 km (0.088 R)
• M3: 1,495,231 km (0.086 R)
• M4: 1,993,392 km (0.086 R)
• M5: 2,633,371 km (0.083 R)
• M6: 3,288,760 km (0.106 R)
• M7: 4,370,203 km (0.119 R)
• M8: 5,600,196 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.8

Radius: 8.6

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.07 AU - 1.73 AU

Year: 1124 Days

Day: 8.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 84,397,526 km

• M1: 118,781 km (0.08 R)
• M2: 700,716 km (0.096 R)
• M3: 1,565,392 km (0.107 R)
• M4: 2,090,780 km (0.107 R)
• M5: 2,634,119 km (0.115 R)
• M6: 2,977,746 km (0.085 R)
• M7: 4,680,169 km (0.03 R)
• M8: 5,242,957 km (0.12 R)
• M9: 5,809,484 km (0.074 R)
• M10: 7,854,636 km (0.088 R)
• M11: 8,729,036 km (0.032 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.7

Radius: 14

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.5 AU - 2.04 AU

Year: 1597 Days

Day: 14.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 84,397,526 km

• M1: 184,454 km (0.084 R)
• M2: 893,997 km (0.084 R)
• M3: 1,750,445 km (0.087 R)
• M4: 2,453,704 km (0.088 R)
• M5: 3,674,722 km (0.108 R)
• M6: 4,447,844 km (0.099 R)
• M7: 4,910,401 km (0.118 R)
• M8: 6,608,187 km (0.105 R)
• M9: 7,237,096 km (0.113 R)
• M10: 8,806,228 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.2

Radius: 12.5

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2 AU - 2.04 AU

Year: 1947 Days

Day: 5.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 84,397,526 km

• M1: 157,676 km (0.079 R)
• M2: 1,120,787 km (0.081 R)
• M3: 1,801,308 km (0.109 R)
• M4: 2,936,157 km (0.086 R)
• M5: 3,402,753 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 327.2

Radius: 3.6

Gravity: 25.25 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 6.76 AU - 8.88 AU

Year: 14832 Days

Day: 17.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 84,397,526 km

• M1: 44,730 km (0.114 R)
• M2: 212,429 km (0.117 R)
• M3: 599,289 km (0.101 R)
• M4: 940,522 km (0.12 R)
• M5: 1,068,428 km (0.086 R)
• M6: 1,385,725 km (0.066 R)
• M7: 1,716,037 km (0.083 R)
• M8: 2,150,170 km (0.11 R)
• M9: 2,297,375 km (0.114 R)
• M10: 2,471,058 km (0.11 R)
• M11: 3,424,894 km (0.089 R)
• M12: 4,277,452 km (0.091 R)
• M13: 4,752,874 km (0.116 R)
• M14: 4,940,021 km (0.112 R)
• M15: 6,352,374 km (0.118 R)
• M16: 7,926,144 km (0.115 R)
• M17: 9,204,308 km (0.111 R)
• M18: 9,593,263 km (0.045 R)
• M19: 9,892,159 km (0.096 R)
• M20: 10,404,083 km (0.116 R)
• M21: 11,204,731 km (0.095 R)
• M22: 12,218,705 km (0.109 R)
• M23: 13,292,220 km (0.095 R)
• M24: 13,601,289 km (0.059 R)
• M25: 14,622,444 km (0.073 R)
• M26: 15,762,230 km (0.066 R)
• M27: 18,216,982 km (0.078 R)
• M28: 26,987,306 km (0.119 R)
• M29: 28,287,611 km (0.109 R)
• M30: 33,110,347 km (0.08 R)
• M31: 35,301,208 km (0.069 R)
• M32: 36,132,075 km (0.094 R)
• M33: 37,097,579 km (0.068 R)
• M34: 39,713,597 km (0.054 R)
• M35: 41,919,418 km (0.05 R)
• M36: 44,205,423 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 768.2

Radius: 3.4

Gravity: 66.45 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 8.06 AU - 12.32 AU

Year: 22062 Days

Day: 24.3 Hours

Environment

Temp: -242 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 84,397,526 km

• M1: 46,525 km (0.106 R)
• M2: 449,392 km (0.101 R)
• M3: 687,253 km (0.099 R)
• M4: 845,976 km (0.064 R)
• M5: 2,806,456 km (0.035 R)
• M6: 3,506,275 km (0.058 R)
• M7: 4,856,096 km (0.074 R)
• M8: 7,475,705 km (0.094 R)
• M9: 10,150,066 km (0.094 R)
• M10: 13,622,532 km (0.049 R)
• M11: 16,079,078 km (0.025 R)
• M12: 19,856,125 km (0.092 R)
• M13: 20,049,406 km (0.038 R)
• M14: 20,439,707 km (0.111 R)
• M15: 21,539,401 km (0.095 R)
• M16: 21,743,452 km (0.053 R)
• M17: 26,449,352 km (0.091 R)
• M18: 29,474,969 km (0.081 R)
• M19: 38,553,166 km (0.118 R)
• M20: 40,382,000 km (0.035 R)
• M21: 50,218,808 km (0.084 R)
• M22: 52,029,990 km (0.118 R)
• M23: 54,827,769 km (0.113 R)
• M24: 62,154,325 km (0.072 R)
• M25: 64,875,660 km (0.089 R)
• M26: 67,675,384 km (0.103 R)
• M27: 82,140,301 km (0.098 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 471 - 19,984 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit