🌌 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: 354.1

Radius: 10.9

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.48 AU - 0.58 AU

Year: 266 Days

Day: 14 Hours

Environment

Temp: -138 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,967,288 km

• M1: 135,835 km (0.064 R)
• M2: 570,117 km (0.087 R)
• M3: 909,555 km (0.077 R)
• M4: 1,428,061 km (0.034 R)
• M5: 1,778,868 km (0.097 R)
• M6: 2,224,221 km (0.07 R)
• M7: 2,626,939 km (0.065 R)
• M8: 3,124,501 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.7

Radius: 12.9

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.54 AU - 0.68 AU

Year: 329 Days

Day: 5.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 69,967,288 km

• M1: 160,519 km (0.065 R)
• M2: 562,638 km (0.089 R)
• M3: 984,952 km (0.113 R)
• M4: 1,421,030 km (0.111 R)
• M5: 1,909,168 km (0.108 R)
• M6: 2,533,440 km (0.077 R)
• M7: 3,028,908 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.8

Radius: 10.2

Gravity: 8.67 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.72 AU - 1.06 AU

Year: 580 Days

Day: 7.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,967,288 km

• M1: 126,859 km (0.117 R)
• M2: 528,529 km (0.078 R)
• M3: 895,194 km (0.103 R)
• M4: 1,221,467 km (0.082 R)
• M5: 1,724,714 km (0.062 R)
• M6: 2,090,181 km (0.048 R)
• M7: 2,496,938 km (0.076 R)
• M8: 2,885,593 km (0.111 R)
• M9: 3,471,419 km (0.105 R)
• M10: 3,871,294 km (0.04 R)
• M11: 4,255,760 km (0.096 R)
• M12: 4,780,699 km (0.092 R)
• M13: 5,119,389 km (0.079 R)
• M14: 5,676,192 km (0.055 R)
• M15: 6,273,088 km (0.104 R)
• M16: 6,890,029 km (0.081 R)
• M17: 7,213,460 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.9

Radius: 10.3

Gravity: 7.89 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.32 AU - 1.8 AU

Year: 1345 Days

Day: 7.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,967,288 km

• M1: 128,205 km (0.111 R)
• M2: 564,732 km (0.116 R)
• M3: 1,080,396 km (0.029 R)
• M4: 1,408,015 km (0.068 R)
• M5: 1,979,928 km (0.1 R)
• M6: 2,320,562 km (0.106 R)
• M7: 2,741,082 km (0.095 R)
• M8: 3,063,764 km (0.09 R)
• M9: 3,686,540 km (0.101 R)
• M10: 4,298,844 km (0.102 R)
• M11: 4,977,570 km (0.08 R)
• M12: 5,615,006 km (0.095 R)
• M13: 6,257,978 km (0.108 R)
• M14: 6,873,125 km (0.114 R)
• M15: 7,582,069 km (0.111 R)
• M16: 8,840,935 km (0.115 R)
• M17: 11,229,415 km (0.098 R)
• M18: 11,842,018 km (0.096 R)
• M19: 12,175,172 km (0.033 R)
• M20: 12,860,630 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.1

Radius: 14.2

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.16 AU - 2.34 AU

Year: 2330 Days

Day: 9.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,967,288 km

• M1: 176,675 km (0.082 R)
• M2: 700,268 km (0.078 R)
• M3: 1,933,852 km (0.077 R)
• M4: 2,997,642 km (0.098 R)
• M5: 3,604,710 km (0.108 R)
• M6: 4,516,061 km (0.093 R)
• M7: 7,363,656 km (0.11 R)
• M8: 7,823,370 km (0.034 R)
• M9: 8,741,303 km (0.086 R)
• M10: 10,586,742 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.5

Radius: 8.1

Gravity: 12.06 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.91 AU - 3.01 AU

Year: 2663 Days

Day: 14.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 69,967,288 km

• M1: 100,829 km (0.076 R)
• M2: 536,308 km (0.099 R)
• M3: 865,872 km (0.063 R)
• M4: 1,124,976 km (0.034 R)
• M5: 1,377,647 km (0.114 R)
• M6: 1,926,671 km (0.109 R)
• M7: 2,598,665 km (0.09 R)
• M8: 3,473,363 km (0.105 R)
• M9: 3,739,498 km (0.103 R)
• M10: 4,734,773 km (0.075 R)
• M11: 4,991,183 km (0.105 R)
• M12: 5,557,860 km (0.117 R)
• M13: 5,870,071 km (0.114 R)
• M14: 6,166,574 km (0.117 R)
• M15: 6,673,411 km (0.058 R)
• M16: 6,966,773 km (0.069 R)
• M17: 7,361,113 km (0.105 R)
• M18: 7,834,440 km (0.066 R)
• M19: 8,128,101 km (0.082 R)
• M20: 8,772,270 km (0.083 R)
• M21: 9,196,380 km (0.05 R)
• M22: 10,433,255 km (0.025 R)
• M23: 10,709,412 km (0.059 R)
• M24: 12,337,785 km (0.055 R)
• M25: 13,792,026 km (0.044 R)
• M26: 15,973,462 km (0.085 R)
• M27: 18,489,848 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 37.1

Radius: 5.6

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 4.26 AU - 6.98 AU

Year: 9196 Days

Day: 18.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 123.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 69,967,288 km

• M1: 69,862 km (0.111 R)
• M2: 266,733 km (0.118 R)
• M3: 490,531 km (0.112 R)
• M4: 764,894 km (0.072 R)
• M5: 4,320,237 km (0.092 R)
• M6: 4,695,728 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 983.3

Radius: 4.9

Gravity: 40.95 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 5.81 AU - 6.73 AU

Year: 10837 Days

Day: 19 Hours

Environment

Temp: -222 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 69,967,288 km

• M1: 62,233 km (0.088 R)
• M2: 269,127 km (0.084 R)
• M3: 464,352 km (0.094 R)
• M4: 709,991 km (0.059 R)
• M5: 1,246,150 km (0.106 R)
• M6: 2,053,530 km (0.104 R)
• M7: 2,588,941 km (0.07 R)
• M8: 3,338,426 km (0.086 R)
• M9: 4,163,458 km (0.119 R)
• M10: 4,591,757 km (0.119 R)
• M11: 4,849,365 km (0.032 R)
• M12: 6,602,502 km (0.102 R)
• M13: 6,765,414 km (0.071 R)
• M14: 6,930,869 km (0.101 R)
• M15: 7,935,868 km (0.113 R)
• M16: 8,401,716 km (0.054 R)
• M17: 8,787,379 km (0.103 R)
• M18: 9,594,011 km (0.103 R)
• M19: 10,122,540 km (0.077 R)
• M20: 10,393,910 km (0.077 R)
• M21: 11,411,475 km (0.037 R)
• M22: 12,995,866 km (0.112 R)
• M23: 14,242,615 km (0.059 R)
• M24: 14,583,548 km (0.06 R)
• M25: 14,860,155 km (0.075 R)
• M26: 15,140,202 km (0.105 R)
• M27: 17,123,870 km (0.043 R)
• M28: 18,217,729 km (0.088 R)
• M29: 19,523,869 km (0.1 R)
• M30: 21,598,193 km (0.051 R)
• M31: 22,412,603 km (0.093 R)
• M32: 28,694,667 km (0.099 R)
• M33: 31,481,825 km (0.073 R)
• M34: 33,837,393 km (0.047 R)
• M35: 36,561,420 km (0.109 R)
• M36: 41,190,427 km (0.07 R)
• M37: 42,863,380 km (0.108 R)
• M38: 53,532,700 km (0.105 R)
• M39: 55,020,900 km (0.059 R)
• M40: 56,197,487 km (0.112 R)

Asteroid Belt

Center: 6.88 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 7.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 342

Radius: 4.2

Gravity: 19.39 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 5.81 AU - 9.15 AU

Year: 14121 Days

Day: 18.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,967,288 km

• M1: 52,210 km (0.114 R)
• M2: 308,471 km (0.038 R)
• M3: 501,302 km (0.085 R)
• M4: 799,301 km (0.098 R)
• M5: 1,435,541 km (0.1 R)
• M6: 2,067,143 km (0.104 R)
• M7: 2,357,962 km (0.082 R)
• M8: 2,634,419 km (0.054 R)
• M9: 2,780,576 km (0.116 R)
• M10: 4,351,054 km (0.07 R)
• M11: 5,079,596 km (0.066 R)
• M12: 6,173,007 km (0.119 R)
• M13: 8,137,376 km (0.084 R)
• M14: 9,332,214 km (0.049 R)
• M15: 27,388,977 km (0.08 R)
• M16: 32,522,128 km (0.033 R)
• M17: 32,855,732 km (0.12 R)
• M18: 43,551,830 km (0.081 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 826

Radius: 4.4

Gravity: 42.67 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 7.49 AU - 8.81 AU

Year: 16060 Days

Day: 21 Hours

Environment

Temp: -238 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,967,288 km

• M1: 54,753 km (0.099 R)
• M2: 222,901 km (0.119 R)
• M3: 4,201,905 km (0.047 R)
• M4: 5,234,429 km (0.096 R)
• M5: 6,091,775 km (0.055 R)
• M6: 7,547,362 km (0.094 R)
• M7: 8,431,934 km (0.106 R)
• M8: 9,166,011 km (0.109 R)
• M9: 11,002,325 km (0.064 R)
• M10: 12,664,357 km (0.087 R)
• M11: 14,340,452 km (0.045 R)
• M12: 17,871,261 km (0.091 R)
• M13: 22,723,318 km (0.106 R)
• M14: 25,824,632 km (0.064 R)
• M15: 26,477,028 km (0.104 R)
• M16: 33,359,577 km (0.089 R)
• M17: 34,524,346 km (0.063 R)
• M18: 50,344,471 km (0.056 R)
• M19: 57,201,289 km (0.085 R)
• M20: 61,523,172 km (0.076 R)
• M21: 63,861,985 km (0.086 R)
• M22: 66,057,483 km (0.11 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 442 - 18,913 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit