🌌 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: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.3

Radius: 11.5

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.52 AU - 0.54 AU

Year: 257 Days

Day: 7.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 31,011,151 km

• M1: 143,016 km (0.112 R)
• M2: 542,442 km (0.033 R)
• M3: 1,234,930 km (0.119 R)
• M4: 1,633,010 km (0.111 R)
• M5: 2,051,286 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.9

Radius: 11.5

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.68 AU - 0.72 AU

Year: 391 Days

Day: 13.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,011,151 km

• M1: 143,165 km (0.115 R)
• M2: 582,085 km (0.107 R)
• M3: 1,023,848 km (0.11 R)
• M4: 1,460,674 km (0.098 R)
• M5: 2,013,887 km (0.054 R)
• M6: 2,556,179 km (0.119 R)
• M7: 3,194,214 km (0.089 R)
• M8: 3,594,238 km (0.087 R)
• M9: 4,001,294 km (0.099 R)
• M10: 4,773,818 km (0.08 R)
• M11: 5,444,764 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.2

Radius: 13.8

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.04 AU - 1.06 AU

Year: 717 Days

Day: 11.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,011,151 km

• M1: 171,738 km (0.034 R)
• M2: 631,153 km (0.096 R)
• M3: 1,089,820 km (0.042 R)
• M4: 1,575,266 km (0.08 R)
• M5: 2,226,316 km (0.092 R)
• M6: 2,867,791 km (0.094 R)
• M7: 3,320,325 km (0.104 R)
• M8: 4,192,032 km (0.028 R)
• M9: 5,109,366 km (0.087 R)
• M10: 5,891,314 km (0.119 R)
• M11: 7,127,441 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.7

Radius: 9.3

Gravity: 10.96 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.03 AU - 2.57 AU

Year: 2326 Days

Day: 14.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 31,011,151 km

• M1: 115,639 km (0.108 R)
• M2: 1,060,649 km (0.064 R)
• M3: 1,479,822 km (0.087 R)
• M4: 1,945,969 km (0.115 R)
• M5: 2,507,709 km (0.082 R)
• M6: 2,843,257 km (0.119 R)
• M7: 3,174,168 km (0.111 R)
• M8: 3,835,390 km (0.08 R)
• M9: 4,432,435 km (0.099 R)
• M10: 5,708,356 km (0.041 R)
• M11: 6,320,360 km (0.03 R)
• M12: 7,334,933 km (0.119 R)
• M13: 8,320,933 km (0.065 R)
• M14: 8,657,229 km (0.114 R)
• M15: 9,072,662 km (0.097 R)
• M16: 9,574,114 km (0.073 R)
• M17: 10,018,569 km (0.089 R)
• M18: 10,322,403 km (0.073 R)
• M19: 11,393,972 km (0.119 R)
• M20: 11,809,106 km (0.071 R)
• M21: 13,756,721 km (0.091 R)
• M22: 14,855,817 km (0.082 R)
• M23: 15,251,503 km (0.094 R)
• M24: 16,063,969 km (0.114 R)
• M25: 17,941,572 km (0.107 R)
• M26: 19,252,348 km (0.106 R)
• M27: 19,663,593 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.8

Radius: 13.3

Gravity: 0.06 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.37 AU - 3.15 AU

Year: 3058 Days

Day: 6.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 31,011,151 km

• M1: 165,455 km (0.071 R)
• M2: 647,460 km (0.105 R)
• M3: 1,371,962 km (0.113 R)
• M4: 2,050,688 km (0.069 R)
• M5: 4,125,311 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.3

Radius: 12

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 4 AU - 4.74 AU

Year: 6092 Days

Day: 12.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,011,151 km

• M1: 149,299 km (0.117 R)
• M2: 540,647 km (0.05 R)
• M3: 990,936 km (0.077 R)
• M4: 2,438,445 km (0.084 R)
• M5: 3,198,253 km (0.088 R)
• M6: 4,158,522 km (0.098 R)
• M7: 5,838,506 km (0.119 R)
• M8: 6,643,941 km (0.035 R)
• M9: 8,318,240 km (0.11 R)
• M10: 8,879,531 km (0.092 R)
• M11: 9,856,555 km (0.093 R)
• M12: 11,527,862 km (0.11 R)
• M13: 15,784,670 km (0.062 R)
• M14: 16,459,057 km (0.095 R)
• M15: 16,961,556 km (0.075 R)
• M16: 17,345,125 km (0.115 R)
• M17: 17,931,250 km (0.075 R)
• M18: 18,598,007 km (0.097 R)
• M19: 20,625,358 km (0.11 R)
• M20: 23,107,037 km (0.027 R)
• M21: 30,971,546 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 211.6

Radius: 3.9

Gravity: 13.91 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 5.62 AU - 6.02 AU

Year: 9363 Days

Day: 23.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 31,011,151 km

• M1: 48,470 km (0.029 R)
• M2: 401,221 km (0.103 R)
• M3: 543,938 km (0.102 R)
• M4: 795,861 km (0.087 R)
• M5: 988,842 km (0.114 R)
• M6: 1,151,156 km (0.044 R)
• M7: 1,319,902 km (0.12 R)
• M8: 1,529,489 km (0.067 R)
• M9: 2,030,043 km (0.095 R)
• M10: 2,277,478 km (0.109 R)
• M11: 2,493,049 km (0.087 R)
• M12: 3,283,673 km (0.11 R)
• M13: 5,284,694 km (0.081 R)
• M14: 5,752,487 km (0.097 R)
• M15: 9,031,373 km (0.08 R)
• M16: 9,655,795 km (0.062 R)
• M17: 12,342,722 km (0.054 R)
• M18: 12,646,256 km (0.088 R)
• M19: 16,321,128 km (0.113 R)
• M20: 16,503,338 km (0.106 R)
• M21: 16,748,230 km (0.106 R)
• M22: 18,597,558 km (0.083 R)
• M23: 18,929,516 km (0.085 R)
• M24: 19,333,131 km (0.041 R)
• M25: 22,620,245 km (0.098 R)
• M26: 29,458,813 km (0.079 R)
• M27: 29,909,850 km (0.102 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: 540 - 14,466 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit