🌌 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: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.6

Radius: 11.5

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.44 AU - 0.6 AU

Year: 264 Days

Day: 13.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,064,320 km

• M1: 143,016 km (0.048 R)
• M2: 504,743 km (0.068 R)
• M3: 984,803 km (0.092 R)
• M4: 1,560,904 km (0.051 R)
• M5: 1,957,189 km (0.088 R)
• M6: 2,316,673 km (0.072 R)
• M7: 2,688,124 km (0.038 R)
• M8: 3,163,097 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.8

Radius: 14.7

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.8 AU - 1.22 AU

Year: 713 Days

Day: 8.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,064,320 km

• M1: 182,809 km (0.033 R)
• M2: 708,346 km (0.091 R)
• M3: 1,224,159 km (0.093 R)
• M4: 1,728,005 km (0.084 R)
• M5: 2,372,772 km (0.115 R)
• M6: 3,164,743 km (0.116 R)
• M7: 4,685,705 km (0.042 R)
• M8: 5,470,645 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.8

Radius: 9.9

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1 AU - 1.5 AU

Year: 982 Days

Day: 8.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,064,320 km

• M1: 125,662 km (0.063 R)
• M2: 469,588 km (0.108 R)
• M3: 791,822 km (0.101 R)
• M4: 1,144,274 km (0.097 R)
• M5: 1,512,434 km (0.096 R)
• M6: 1,837,959 km (0.109 R)
• M7: 2,181,735 km (0.106 R)
• M8: 2,504,717 km (0.114 R)
• M9: 3,869,050 km (0.096 R)
• M10: 4,762,299 km (0.109 R)
• M11: 5,749,495 km (0.113 R)
• M12: 7,433,817 km (0.031 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.7

Radius: 12.6

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3.43 AU - 4.89 AU

Year: 5964 Days

Day: 5.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,064,320 km

• M1: 156,779 km (0.109 R)
• M2: 580,290 km (0.066 R)
• M3: 1,007,542 km (0.118 R)
• M4: 1,748,500 km (0.12 R)
• M5: 2,292,737 km (0.119 R)
• M6: 2,728,067 km (0.115 R)
• M7: 3,408,288 km (0.102 R)
• M8: 4,380,226 km (0.118 R)
• M9: 5,421,576 km (0.06 R)
• M10: 6,203,076 km (0.101 R)
• M11: 7,448,328 km (0.074 R)
• M12: 7,956,213 km (0.11 R)
• M13: 10,263,760 km (0.106 R)
• M14: 11,022,521 km (0.108 R)
• M15: 11,415,814 km (0.054 R)
• M16: 11,863,710 km (0.111 R)
• M17: 12,557,694 km (0.084 R)
• M18: 16,782,488 km (0.027 R)
• M19: 17,716,726 km (0.109 R)
• M20: 18,257,373 km (0.066 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 203.2

Radius: 3.5

Gravity: 16.59 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 5.13 AU - 7.63 AU

Year: 11328 Days

Day: 23.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 79,064,320 km

• M1: 43,533 km (0.118 R)
• M2: 263,143 km (0.066 R)
• M3: 444,006 km (0.062 R)
• M4: 592,108 km (0.085 R)
• M5: 821,592 km (0.105 R)
• M6: 1,067,082 km (0.101 R)
• M7: 1,505,703 km (0.11 R)
• M8: 2,331,184 km (0.113 R)
• M9: 2,487,513 km (0.104 R)
• M10: 2,650,874 km (0.06 R)
• M11: 3,039,380 km (0.09 R)
• M12: 3,290,106 km (0.068 R)
• M13: 3,691,776 km (0.056 R)
• M14: 3,808,911 km (0.118 R)
• M15: 4,727,442 km (0.11 R)
• M16: 5,879,047 km (0.077 R)
• M17: 6,604,896 km (0.114 R)
• M18: 6,953,907 km (0.118 R)
• M19: 7,205,381 km (0.108 R)
• M20: 7,500,089 km (0.04 R)
• M21: 8,232,371 km (0.113 R)
• M22: 8,595,445 km (0.04 R)
• M23: 9,793,125 km (0.119 R)
• M24: 11,292,994 km (0.085 R)
• M25: 12,252,365 km (0.069 R)
• M26: 20,828,212 km (0.027 R)
• M27: 22,498,323 km (0.045 R)
• M28: 22,889,970 km (0.097 R)
• M29: 24,419,608 km (0.118 R)
• M30: 26,016,266 km (0.073 R)
• M31: 26,796,270 km (0.082 R)
• M32: 26,971,598 km (0.066 R)
• M33: 32,597,825 km (0.092 R)
• M34: 32,897,918 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 13.2

Radius: 6.1

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 6.86 AU - 7.2 AU

Year: 13102 Days

Day: 19.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 79,064,320 km

• M1: 84,672 km (0.116 R)
• M2: 370,554 km (0.119 R)
• M3: 4,598,938 km (0.073 R)
• M4: 5,018,709 km (0.082 R)
• M5: 7,482,437 km (0.076 R)
• M6: 11,766,770 km (0.111 R)
• M7: 14,398,645 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 595

Radius: 3.2

Gravity: 58.11 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 7.74 AU - 12.56 AU

Year: 22730 Days

Day: 17.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 79,064,320 km

• M1: 46,974 km (0.111 R)
• M2: 322,832 km (0.12 R)
• M3: 434,881 km (0.114 R)
• M4: 644,019 km (0.113 R)
• M5: 825,182 km (0.065 R)
• M6: 927,956 km (0.053 R)
• M7: 1,216,231 km (0.088 R)
• M8: 1,907,971 km (0.08 R)
• M9: 2,131,022 km (0.117 R)
• M10: 2,348,687 km (0.106 R)
• M11: 2,653,567 km (0.077 R)
• M12: 2,984,178 km (0.09 R)
• M13: 3,726,782 km (0.111 R)
• M14: 4,799,997 km (0.061 R)
• M15: 5,135,396 km (0.114 R)
• M16: 6,279,071 km (0.074 R)
• M17: 6,499,728 km (0.052 R)
• M18: 13,044,635 km (0.056 R)
• M19: 13,695,984 km (0.115 R)
• M20: 19,240,381 km (0.071 R)
• M21: 20,561,928 km (0.067 R)
• M22: 23,070,236 km (0.092 R)
• M23: 23,489,558 km (0.103 R)
• M24: 23,807,454 km (0.085 R)
• M25: 24,560,230 km (0.106 R)
• M26: 30,908,117 km (0.109 R)
• M27: 31,289,741 km (0.042 R)
• M28: 31,417,647 km (0.105 R)
• M29: 33,112,292 km (0.106 R)
• M30: 33,511,868 km (0.113 R)
• M31: 41,263,730 km (0.079 R)
• M32: 57,265,467 km (0.084 R)
• M33: 59,983,959 km (0.091 R)
• M34: 74,417,012 km (0.091 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: 380 - 15,470 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit