🌌 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: 674.5

Radius: 9.2

Gravity: 7.97 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.51 AU - 0.53 AU

Year: 264 Days

Day: 6.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,110,510 km

• M1: 114,442 km (0.115 R)
• M2: 432,039 km (0.082 R)
• M3: 761,453 km (0.114 R)
• M4: 1,051,673 km (0.038 R)
• M5: 1,355,806 km (0.112 R)
• M6: 1,726,060 km (0.067 R)
• M7: 2,042,011 km (0.088 R)
• M8: 2,347,041 km (0.049 R)
• M9: 2,691,714 km (0.106 R)
• M10: 3,011,256 km (0.113 R)
• M11: 3,303,719 km (0.112 R)
• M12: 4,149,995 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.9

Radius: 12.7

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.5 AU - 0.66 AU

Year: 310 Days

Day: 11 Hours

Environment

Temp: -140 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 71,110,510 km

• M1: 158,275 km (0.108 R)
• M2: 773,271 km (0.109 R)
• M3: 1,304,344 km (0.106 R)
• M4: 1,760,468 km (0.074 R)
• M5: 2,471,207 km (0.084 R)
• M6: 2,943,338 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.2

Radius: 12.2

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.03 AU - 1.61 AU

Year: 1066 Days

Day: 14.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 71,110,510 km

• M1: 151,692 km (0.108 R)
• M2: 815,009 km (0.046 R)
• M3: 1,238,072 km (0.09 R)
• M4: 1,724,115 km (0.088 R)
• M5: 2,139,848 km (0.098 R)
• M6: 2,912,072 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.6

Radius: 10.6

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.27 AU - 2.47 AU

Year: 2565 Days

Day: 12.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,110,510 km

• M1: 131,945 km (0.086 R)
• M2: 495,618 km (0.098 R)
• M3: 942,018 km (0.118 R)
• M4: 1,380,938 km (0.077 R)
• M5: 1,754,484 km (0.06 R)
• M6: 2,125,187 km (0.108 R)
• M7: 2,938,701 km (0.067 R)
• M8: 3,719,302 km (0.103 R)
• M9: 5,851,970 km (0.096 R)
• M10: 7,328,800 km (0.093 R)
• M11: 8,422,510 km (0.074 R)
• M12: 9,295,563 km (0.102 R)
• M13: 9,687,809 km (0.057 R)
• M14: 10,228,006 km (0.109 R)
• M15: 12,830,710 km (0.081 R)
• M16: 13,649,011 km (0.081 R)
• M17: 14,545,102 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.3

Radius: 10

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.47 AU - 3.85 AU

Year: 3949 Days

Day: 11.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 71,110,510 km

• M1: 124,465 km (0.09 R)
• M2: 572,361 km (0.104 R)
• M3: 967,001 km (0.073 R)
• M4: 2,046,798 km (0.096 R)
• M5: 2,383,543 km (0.056 R)
• M6: 2,879,161 km (0.112 R)
• M7: 3,502,535 km (0.095 R)
• M8: 4,305,876 km (0.091 R)
• M9: 4,664,761 km (0.086 R)
• M10: 5,442,969 km (0.098 R)
• M11: 5,777,619 km (0.097 R)
• M12: 6,275,331 km (0.096 R)
• M13: 6,833,332 km (0.104 R)
• M14: 7,594,037 km (0.091 R)
• M15: 8,858,588 km (0.065 R)
• M16: 10,770,598 km (0.081 R)
• M17: 11,165,985 km (0.093 R)
• M18: 11,616,574 km (0.115 R)
• M19: 16,639,622 km (0.08 R)
• M20: 17,287,530 km (0.119 R)
• M21: 18,321,850 km (0.1 R)
• M22: 18,885,983 km (0.104 R)
• M23: 20,715,116 km (0.112 R)
• M24: 21,053,806 km (0.078 R)
• M25: 24,646,848 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.5

Radius: 12.6

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.66 AU - 4.34 AU

Year: 5623 Days

Day: 14.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,110,510 km

• M1: 156,928 km (0.06 R)
• M2: 641,176 km (0.102 R)
• M3: 1,406,968 km (0.116 R)
• M4: 1,893,311 km (0.059 R)
• M5: 2,548,400 km (0.064 R)
• M6: 3,385,101 km (0.075 R)
• M7: 4,013,112 km (0.108 R)
• M8: 5,927,816 km (0.119 R)
• M9: 7,071,641 km (0.095 R)
• M10: 8,325,122 km (0.068 R)
• M11: 10,838,665 km (0.12 R)
• M12: 11,308,701 km (0.071 R)
• M13: 12,080,776 km (0.093 R)
• M14: 12,931,240 km (0.107 R)
• M15: 15,872,334 km (0.096 R)
• M16: 18,504,209 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.3

Radius: 14.1

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 4.17 AU - 5.65 AU

Year: 7648 Days

Day: 9.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 71,110,510 km

• M1: 175,478 km (0.071 R)
• M2: 761,154 km (0.076 R)
• M3: 1,652,608 km (0.085 R)
• M4: 2,232,150 km (0.12 R)
• M5: 2,849,091 km (0.092 R)
• M6: 3,715,562 km (0.119 R)
• M7: 4,274,759 km (0.098 R)
• M8: 5,060,148 km (0.096 R)
• M9: 6,366,287 km (0.075 R)
• M10: 7,542,126 km (0.072 R)
• M11: 8,484,742 km (0.083 R)
• M12: 9,329,222 km (0.083 R)
• M13: 11,484,329 km (0.081 R)
• M14: 13,612,957 km (0.12 R)
• M15: 14,592,973 km (0.055 R)
• M16: 18,431,206 km (0.103 R)
• M17: 18,918,895 km (0.035 R)
• M18: 19,558,725 km (0.071 R)
• M19: 20,582,423 km (0.091 R)
• M20: 21,259,353 km (0.105 R)
• M21: 24,868,701 km (0.049 R)
• M22: 28,403,998 km (0.105 R)
• M23: 28,961,699 km (0.1 R)
• M24: 34,948,456 km (0.077 R)
• M25: 35,804,306 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 880.8

Radius: 6.5

Gravity: 20.85 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 6.15 AU - 9.87 AU

Year: 15935 Days

Day: 17.3 Hours

Environment

Temp: -242 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 71,110,510 km

• M1: 80,783 km (0.076 R)
• M2: 377,286 km (0.111 R)
• M3: 777,011 km (0.12 R)
• M4: 1,038,359 km (0.052 R)
• M5: 1,760,019 km (0.051 R)
• M6: 2,452,208 km (0.041 R)
• M7: 3,074,386 km (0.076 R)
• M8: 3,534,848 km (0.084 R)
• M9: 3,886,852 km (0.052 R)
• M10: 5,157,536 km (0.083 R)
• M11: 6,510,350 km (0.057 R)
• M12: 9,066,529 km (0.097 R)
• M13: 9,392,652 km (0.111 R)
• M14: 13,868,022 km (0.108 R)
• M15: 14,892,468 km (0.078 R)
• M16: 35,905,284 km (0.069 R)
• M17: 39,675,749 km (0.102 R)
• M18: 40,694,660 km (0.104 R)
• M19: 43,241,713 km (0.042 R)
• M20: 46,532,268 km (0.094 R)
• M21: 52,554,929 km (0.111 R)
• M22: 57,029,999 km (0.112 R)
• M23: 59,833,314 km (0.074 R)
• M24: 61,946,533 km (0.069 R)
• M25: 62,336,086 km (0.106 R)
• M26: 65,511,002 km (0.115 R)
• M27: 69,209,959 km (0.07 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: 425 - 13,308 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit