🌌 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: 210

Radius: 11.4

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.54 AU - 0.54 AU

Year: 265 Days

Day: 11.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 159.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 90,419,878 km

• M1: 142,716 km (0.104 R)
• M2: 593,156 km (0.119 R)
• M3: 995,873 km (0.093 R)
• M4: 1,607,878 km (0.032 R)
• M5: 2,065,199 km (0.103 R)
• M6: 2,593,429 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.8

Radius: 13.7

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.44 AU - 0.72 AU

Year: 295 Days

Day: 9.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 90,419,878 km

• M1: 170,392 km (0.062 R)
• M2: 609,013 km (0.108 R)
• M3: 1,093,860 km (0.105 R)
• M4: 1,641,089 km (0.107 R)
• M5: 3,076,181 km (0.096 R)
• M6: 3,930,684 km (0.072 R)
• M7: 4,657,431 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.3

Radius: 10.1

Gravity: 9.31 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.49 AU - 0.79 AU

Year: 341 Days

Day: 11.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 90,419,878 km

• M1: 125,662 km (0.112 R)
• M2: 472,280 km (0.089 R)
• M3: 881,131 km (0.058 R)
• M4: 1,367,624 km (0.116 R)
• M5: 1,685,070 km (0.073 R)
• M6: 2,144,037 km (0.101 R)
• M7: 2,765,317 km (0.117 R)
• M8: 3,466,931 km (0.084 R)
• M9: 4,120,823 km (0.087 R)
• M10: 4,721,907 km (0.106 R)
• M11: 5,253,578 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.5

Radius: 13.6

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.66 AU - 1.1 AU

Year: 550 Days

Day: 5.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 120.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 90,419,878 km

• M1: 169,345 km (0.034 R)
• M2: 655,538 km (0.043 R)
• M3: 1,639,892 km (0.059 R)
• M4: 2,081,804 km (0.103 R)
• M5: 3,891,041 km (0.101 R)
• M6: 4,772,022 km (0.1 R)
• M7: 5,459,724 km (0.118 R)
• M8: 6,909,327 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.5

Radius: 14

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.47 AU - 1.83 AU

Year: 1413 Days

Day: 8.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 90,419,878 km

• M1: 174,132 km (0.094 R)
• M2: 638,933 km (0.08 R)
• M3: 1,623,586 km (0.1 R)
• M4: 2,149,721 km (0.051 R)
• M5: 2,954,109 km (0.051 R)
• M6: 3,679,360 km (0.088 R)
• M7: 4,700,814 km (0.087 R)
• M8: 5,655,248 km (0.097 R)
• M9: 6,381,247 km (0.09 R)
• M10: 7,667,040 km (0.066 R)
• M11: 8,188,539 km (0.045 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 773.5

Radius: 5.8

Gravity: 22.99 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 9.87 AU - 9.87 AU

Year: 20678 Days

Day: 20.3 Hours

Environment

Temp: -244 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 90,419,878 km

• M1: 106,214 km (0.076 R)
• M2: 334,501 km (0.052 R)
• M3: 969,693 km (0.093 R)
• M4: 1,478,476 km (0.049 R)
• M5: 1,868,029 km (0.096 R)
• M6: 2,171,263 km (0.11 R)
• M7: 2,749,310 km (0.092 R)
• M8: 3,943,699 km (0.098 R)
• M9: 4,409,248 km (0.045 R)
• M10: 4,619,582 km (0.112 R)
• M11: 6,597,864 km (0.105 R)
• M12: 7,204,783 km (0.066 R)
• M13: 8,368,954 km (0.093 R)
• M14: 8,912,293 km (0.112 R)
• M15: 9,421,076 km (0.05 R)
• M16: 10,189,859 km (0.104 R)
• M17: 10,620,850 km (0.06 R)
• M18: 14,210,751 km (0.053 R)
• M19: 23,342,653 km (0.084 R)
• M20: 30,032,521 km (0.106 R)
• M21: 36,309,647 km (0.045 R)
• M22: 38,041,841 km (0.04 R)
• M23: 39,226,656 km (0.102 R)
• M24: 39,526,749 km (0.091 R)
• M25: 41,049,955 km (0.098 R)
• M26: 45,853,692 km (0.102 R)
• M27: 48,046,647 km (0.086 R)
• M28: 48,908,481 km (0.091 R)
• M29: 51,018,858 km (0.095 R)
• M30: 52,096,411 km (0.102 R)
• M31: 52,640,798 km (0.116 R)
• M32: 55,231,833 km (0.061 R)
• M33: 60,866,736 km (0.109 R)
• M34: 71,460,808 km (0.109 R)
• M35: 73,717,343 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 885.6

Radius: 5.2

Gravity: 32.75 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 8.33 AU - 12.73 AU

Year: 22786 Days

Day: 18.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 90,419,878 km

• M1: 64,776 km (0.101 R)
• M2: 249,679 km (0.049 R)
• M3: 421,118 km (0.091 R)
• M4: 937,829 km (0.103 R)
• M5: 1,237,324 km (0.077 R)
• M6: 1,616,405 km (0.088 R)
• M7: 2,005,958 km (0.114 R)
• M8: 5,591,071 km (0.1 R)
• M9: 7,605,107 km (0.031 R)
• M10: 8,575,848 km (0.06 R)
• M11: 8,916,931 km (0.092 R)
• M12: 9,326,380 km (0.114 R)
• M13: 12,121,018 km (0.096 R)
• M14: 15,427,879 km (0.056 R)
• M15: 16,103,164 km (0.06 R)
• M16: 18,527,547 km (0.071 R)
• M17: 21,184,704 km (0.095 R)
• M18: 22,657,645 km (0.102 R)
• M19: 22,873,514 km (0.102 R)
• M20: 27,484,270 km (0.072 R)
• M21: 30,528,288 km (0.082 R)
• M22: 34,639,686 km (0.096 R)
• M23: 35,359,102 km (0.101 R)
• M24: 39,105,482 km (0.111 R)
• M25: 40,675,212 km (0.102 R)
• M26: 45,464,588 km (0.11 R)
• M27: 48,083,149 km (0.118 R)
• M28: 50,985,198 km (0.109 R)
• M29: 59,563,888 km (0.089 R)
• M30: 62,907,251 km (0.092 R)
• M31: 63,120,278 km (0.119 R)
• M32: 65,933,616 km (0.054 R)
• M33: 75,112,193 km (0.077 R)
• M34: 75,833,105 km (0.109 R)
• M35: 76,558,506 km (0.104 R)
• M36: 78,762,531 km (0.174 R)
• M37: 84,327,721 km (0.062 R)
• M38: 86,677,904 km (0.092 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 468 - 13,743 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit