🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.5

Radius: 10.1

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.46 AU - 0.7 AU

Year: 300 Days

Day: 7.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 26,242,036 km

• M1: 126,111 km (0.085 R)
• M2: 815,308 km (0.1 R)
• M3: 1,144,125 km (0.054 R)
• M4: 1,597,855 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.6

Radius: 11.4

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.67 AU - 1.09 AU

Year: 560 Days

Day: 7.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 26,242,036 km

• M1: 141,819 km (0.069 R)
• M2: 531,222 km (0.108 R)
• M3: 949,198 km (0.034 R)
• M4: 1,381,088 km (0.093 R)
• M5: 1,910,664 km (0.113 R)
• M6: 2,339,711 km (0.097 R)
• M7: 3,051,946 km (0.034 R)
• M8: 4,906,361 km (0.051 R)
• M9: 5,328,527 km (0.057 R)
• M10: 5,701,923 km (0.047 R)
• M11: 7,180,847 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.4

Radius: 14.2

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.18 AU - 1.46 AU

Year: 1029 Days

Day: 9 Hours

Environment

Temp: -192 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 26,242,036 km

• M1: 180,714 km (0.091 R)
• M2: 867,518 km (0.112 R)
• M3: 1,677,740 km (0.113 R)
• M4: 2,367,237 km (0.093 R)
• M5: 3,253,903 km (0.098 R)
• M6: 4,674,933 km (0.08 R)
• M7: 5,442,520 km (0.109 R)
• M8: 6,232,098 km (0.078 R)
• M9: 7,709,227 km (0.027 R)
• M10: 8,430,738 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.5

Radius: 14.4

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.73 AU - 1.83 AU

Year: 1611 Days

Day: 9 Hours

Environment

Temp: -192 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 26,242,036 km

• M1: 179,069 km (0.102 R)
• M2: 647,011 km (0.112 R)
• M3: 1,116,599 km (0.071 R)
• M4: 1,596,508 km (0.025 R)
• M5: 2,315,476 km (0.105 R)
• M6: 2,905,041 km (0.101 R)
• M7: 3,954,171 km (0.071 R)
• M8: 4,408,051 km (0.058 R)
• M9: 5,087,225 km (0.105 R)
• M10: 7,833,992 km (0.089 R)
• M11: 8,749,531 km (0.096 R)
• M12: 9,585,783 km (0.118 R)
• M13: 10,286,499 km (0.115 R)
• M14: 10,988,412 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898

Radius: 9.8

Gravity: 9.35 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.25 AU - 2.57 AU

Year: 2538 Days

Day: 14.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 26,242,036 km

• M1: 121,922 km (0.106 R)
• M2: 556,654 km (0.032 R)
• M3: 873,203 km (0.098 R)
• M4: 1,250,937 km (0.057 R)
• M5: 1,637,797 km (0.104 R)
• M6: 2,894,868 km (0.04 R)
• M7: 3,793,054 km (0.077 R)
• M8: 4,705,451 km (0.073 R)
• M9: 5,424,120 km (0.104 R)
• M10: 6,159,244 km (0.081 R)
• M11: 7,109,489 km (0.082 R)
• M12: 7,478,248 km (0.114 R)
• M13: 9,082,984 km (0.101 R)
• M14: 9,407,761 km (0.08 R)
• M15: 10,080,503 km (0.089 R)
• M16: 10,428,767 km (0.084 R)
• M17: 11,480,290 km (0.055 R)
• M18: 13,005,440 km (0.097 R)
• M19: 14,465,366 km (0.076 R)
• M20: 14,859,257 km (0.026 R)
• M21: 15,310,893 km (0.054 R)
• M22: 16,136,374 km (0.098 R)
• M23: 16,506,629 km (0.109 R)
• M24: 17,819,799 km (0.064 R)
• M25: 18,617,156 km (0.119 R)
• M26: 19,083,452 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.3

Radius: 8.7

Gravity: 12.58 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.97 AU - 4.61 AU

Year: 5004 Days

Day: 6.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 26,242,036 km

• M1: 108,907 km (0.092 R)
• M2: 466,147 km (0.118 R)
• M3: 822,639 km (0.118 R)
• M4: 1,251,386 km (0.111 R)
• M5: 1,611,917 km (0.113 R)
• M6: 2,688,423 km (0.061 R)
• M7: 3,422,799 km (0.083 R)
• M8: 4,726,096 km (0.064 R)
• M9: 5,197,778 km (0.105 R)
• M10: 5,489,643 km (0.102 R)
• M11: 5,761,612 km (0.047 R)
• M12: 6,700,339 km (0.114 R)
• M13: 7,117,268 km (0.095 R)
• M14: 8,157,721 km (0.12 R)
• M15: 8,796,205 km (0.059 R)
• M16: 10,399,745 km (0.117 R)
• M17: 11,936,265 km (0.098 R)
• M18: 12,445,944 km (0.106 R)
• M19: 15,573,288 km (0.09 R)
• M20: 15,875,625 km (0.114 R)
• M21: 16,554,800 km (0.06 R)
• M22: 18,776,926 km (0.111 R)
• M23: 19,817,679 km (0.093 R)
• M24: 20,316,288 km (0.108 R)
• M25: 23,406,681 km (0.071 R)
• M26: 25,104,916 km (0.077 R)
• M27: 27,937,103 km (0.088 R)
• M28: 28,474,010 km (0.085 R)
• M29: 29,017,649 km (0.083 R)
• M30: 30,407,263 km (0.083 R)
• M31: 33,418,968 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 43.2

Radius: 4.1

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 6.2 AU - 10.34 AU

Year: 16131 Days

Day: 22.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 26,242,036 km

• M1: 61,634 km (0.092 R)
• M2: 260,450 km (0.053 R)
• M3: 975,229 km (0.045 R)
• M4: 1,154,746 km (0.073 R)
• M5: 1,488,200 km (0.09 R)
• M6: 2,206,868 km (0.081 R)
• M7: 2,343,451 km (0.025 R)
• M8: 3,076,031 km (0.04 R)
• M9: 4,337,590 km (0.097 R)
• M10: 4,480,157 km (0.037 R)
• M11: 5,402,727 km (0.056 R)
• M12: 5,908,518 km (0.07 R)
• M13: 8,580,335 km (0.119 R)
• M14: 12,769,076 km (0.116 R)
• M15: 14,281,660 km (0.109 R)
• M16: 15,135,265 km (0.104 R)
• M17: 16,478,654 km (0.104 R)
• M18: 16,709,933 km (0.092 R)
• M19: 17,179,221 km (0.104 R)
• M20: 20,512,262 km (0.093 R)
• M21: 22,719,877 km (0.106 R)
• M22: 24,852,993 km (0.114 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 11,441 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit