🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.7

Radius: 10.2

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.1 AU - 1.46 AU

Year: 935 Days

Day: 14.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,417,485 km

• M1: 126,859 km (0.066 R)
• M2: 523,144 km (0.09 R)
• M3: 853,755 km (0.073 R)
• M4: 1,574,817 km (0.118 R)
• M5: 2,127,581 km (0.067 R)
• M6: 2,685,282 km (0.046 R)
• M7: 4,125,460 km (0.078 R)
• M8: 4,798,053 km (0.088 R)
• M9: 7,235,899 km (0.06 R)
• M10: 7,738,997 km (0.118 R)
• M11: 8,735,169 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.8

Radius: 10.8

Gravity: 7.49 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.02 AU - 1.68 AU

Year: 1013 Days

Day: 5.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,417,485 km

• M1: 134,488 km (0.106 R)
• M2: 535,411 km (0.085 R)
• M3: 897,886 km (0.088 R)
• M4: 1,911,262 km (0.111 R)
• M5: 2,256,085 km (0.109 R)
• M6: 2,605,845 km (0.079 R)
• M7: 3,227,724 km (0.115 R)
• M8: 3,721,546 km (0.106 R)
• M9: 4,749,134 km (0.101 R)
• M10: 5,269,286 km (0.053 R)
• M11: 5,978,081 km (0.064 R)
• M12: 7,036,785 km (0.119 R)
• M13: 8,297,595 km (0.072 R)
• M14: 9,612,860 km (0.119 R)
• M15: 10,101,447 km (0.105 R)
• M16: 11,062,164 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.2

Radius: 9.8

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.61 AU - 1.61 AU

Year: 1319 Days

Day: 13.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 81,417,485 km

• M1: 122,670 km (0.096 R)
• M2: 452,384 km (0.115 R)
• M3: 766,240 km (0.094 R)
• M4: 1,105,977 km (0.028 R)
• M5: 1,421,030 km (0.067 R)
• M6: 1,806,693 km (0.047 R)
• M7: 2,319,814 km (0.059 R)
• M8: 3,081,267 km (0.105 R)
• M9: 3,559,532 km (0.112 R)
• M10: 4,001,145 km (0.03 R)
• M11: 4,333,402 km (0.103 R)
• M12: 4,741,355 km (0.118 R)
• M13: 5,422,175 km (0.063 R)
• M14: 6,445,424 km (0.112 R)
• M15: 7,255,347 km (0.079 R)
• M16: 7,886,052 km (0.091 R)
• M17: 9,256,667 km (0.089 R)
• M18: 9,935,243 km (0.059 R)
• M19: 10,449,411 km (0.115 R)
• M20: 10,846,594 km (0.085 R)
• M21: 11,391,878 km (0.12 R)
• M22: 11,777,242 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.4

Radius: 11.5

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.72 AU - 2.26 AU

Year: 1813 Days

Day: 5.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,417,485 km

• M1: 143,165 km (0.113 R)
• M2: 517,010 km (0.086 R)
• M3: 1,050,327 km (0.104 R)
• M4: 1,877,154 km (0.078 R)
• M5: 2,307,398 km (0.096 R)
• M6: 2,744,971 km (0.107 R)
• M7: 3,160,105 km (0.098 R)
• M8: 3,716,909 km (0.092 R)
• M9: 4,165,104 km (0.111 R)
• M10: 4,699,617 km (0.06 R)
• M11: 5,445,811 km (0.116 R)
• M12: 5,808,437 km (0.08 R)
• M13: 6,668,175 km (0.081 R)
• M14: 8,065,420 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.3

Radius: 13.6

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.85 AU - 3.81 AU

Year: 3924 Days

Day: 7 Hours

Environment

Temp: -198 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 81,417,485 km

• M1: 169,195 km (0.117 R)
• M2: 605,871 km (0.111 R)
• M3: 1,216,530 km (0.103 R)
• M4: 1,786,647 km (0.109 R)
• M5: 2,258,479 km (0.12 R)
• M6: 2,797,031 km (0.092 R)
• M7: 3,873,089 km (0.094 R)
• M8: 4,342,078 km (0.086 R)
• M9: 5,208,998 km (0.088 R)
• M10: 6,337,714 km (0.072 R)
• M11: 6,832,584 km (0.12 R)
• M12: 8,923,513 km (0.11 R)
• M13: 9,828,431 km (0.093 R)
• M14: 11,011,750 km (0.098 R)
• M15: 12,006,426 km (0.077 R)
• M16: 12,766,832 km (0.09 R)
• M17: 13,660,380 km (0.085 R)
• M18: 16,883,915 km (0.058 R)
• M19: 18,515,878 km (0.053 R)
• M20: 20,250,914 km (0.037 R)
• M21: 20,852,597 km (0.089 R)
• M22: 23,089,384 km (0.111 R)
• M23: 25,948,199 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.7

Radius: 8.9

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.96 AU - 4.72 AU

Year: 4859 Days

Day: 13 Hours

Environment

Temp: -202 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 81,417,485 km

• M1: 113,694 km (0.069 R)
• M2: 421,866 km (0.072 R)
• M3: 947,852 km (0.09 R)
• M4: 3,054,938 km (0.111 R)
• M5: 4,407,004 km (0.111 R)
• M6: 10,558,917 km (0.097 R)
• M7: 11,253,500 km (0.059 R)
• M8: 11,633,329 km (0.109 R)
• M9: 13,192,438 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.8

Radius: 13.8

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4.02 AU - 6.28 AU

Year: 7546 Days

Day: 10.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 81,417,485 km

• M1: 171,589 km (0.111 R)
• M2: 1,242,111 km (0.106 R)
• M3: 1,888,374 km (0.07 R)
• M4: 2,479,435 km (0.096 R)
• M5: 3,320,474 km (0.041 R)
• M6: 4,189,937 km (0.1 R)
• M7: 5,295,465 km (0.062 R)
• M8: 5,757,274 km (0.119 R)
• M9: 7,122,504 km (0.072 R)
• M10: 8,000,045 km (0.073 R)
• M11: 8,948,346 km (0.072 R)
• M12: 9,427,807 km (0.116 R)
• M13: 10,677,847 km (0.051 R)
• M14: 13,280,701 km (0.114 R)
• M15: 14,372,615 km (0.099 R)
• M16: 21,824,235 km (0.101 R)
• M17: 27,586,446 km (0.079 R)
• M18: 29,361,724 km (0.075 R)
• M19: 30,228,643 km (0.114 R)
• M20: 31,311,433 km (0.087 R)
• M21: 32,624,154 km (0.113 R)
• M22: 34,289,777 km (0.071 R)

Asteroid Belt

Center: 5.7 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 513.6

Radius: 4.9

Gravity: 21.39 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 4.86 AU - 7.64 AU

Year: 10089 Days

Day: 19 Hours

Environment

Temp: -212 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 81,417,485 km

• M1: 60,886 km (0.115 R)
• M2: 233,522 km (0.053 R)
• M3: 443,258 km (0.104 R)
• M4: 673,190 km (0.068 R)
• M5: 838,646 km (0.109 R)
• M6: 1,690,755 km (0.038 R)
• M7: 3,395,124 km (0.109 R)
• M8: 3,711,374 km (0.068 R)
• M9: 3,967,784 km (0.068 R)
• M10: 5,082,139 km (0.095 R)
• M11: 6,647,082 km (0.116 R)
• M12: 9,136,241 km (0.118 R)
• M13: 9,843,689 km (0.107 R)
• M14: 12,184,747 km (0.1 R)
• M15: 13,099,388 km (0.106 R)
• M16: 14,493,042 km (0.114 R)
• M17: 24,178,756 km (0.082 R)
• M18: 24,981,648 km (0.077 R)
• M19: 26,079,546 km (0.059 R)
• M20: 28,964,541 km (0.116 R)
• M21: 33,241,395 km (0.056 R)
• M22: 33,679,866 km (0.087 R)
• M23: 34,344,829 km (0.116 R)
• M24: 40,354,474 km (0.057 R)
• M25: 43,540,909 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 493.5

Radius: 6.7

Gravity: 10.99 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 6.26 AU - 6.56 AU

Year: 10479 Days

Day: 18 Hours

Environment

Temp: -225 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 81,417,485 km

• M1: 90,357 km (0.095 R)
• M2: 1,219,223 km (0.07 R)
• M3: 1,616,255 km (0.089 R)
• M4: 1,948,063 km (0.057 R)
• M5: 2,915,064 km (0.051 R)
• M6: 3,177,758 km (0.077 R)
• M7: 3,625,804 km (0.088 R)
• M8: 3,852,444 km (0.082 R)
• M9: 6,670,719 km (0.118 R)
• M10: 7,770,861 km (0.074 R)
• M11: 8,021,438 km (0.04 R)
• M12: 11,466,228 km (0.117 R)
• M13: 11,791,454 km (0.096 R)
• M14: 12,234,712 km (0.101 R)
• M15: 16,875,238 km (0.088 R)
• M16: 17,438,025 km (0.059 R)
• M17: 18,013,229 km (0.062 R)
• M18: 19,506,665 km (0.086 R)
• M19: 20,126,598 km (0.104 R)
• M20: 20,441,352 km (0.099 R)
• M21: 21,080,734 km (0.111 R)
• M22: 23,772,598 km (0.093 R)
• M23: 26,215,082 km (0.092 R)
• M24: 28,423,745 km (0.064 R)
• M25: 37,187,188 km (0.104 R)
• M26: 39,475,437 km (0.081 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 978.8

Radius: 7.4

Gravity: 17.87 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 7.34 AU - 11.4 AU

Year: 18519 Days

Day: 15.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 81,417,485 km

• M1: 93,050 km (0.076 R)
• M2: 520,451 km (0.029 R)
• M3: 1,174,642 km (0.039 R)
• M4: 1,440,478 km (0.108 R)
• M5: 1,710,652 km (0.068 R)
• M6: 1,994,588 km (0.086 R)
• M7: 2,883,798 km (0.087 R)
• M8: 3,489,969 km (0.117 R)
• M9: 4,178,119 km (0.064 R)
• M10: 4,842,333 km (0.059 R)
• M11: 5,574,914 km (0.09 R)
• M12: 6,694,206 km (0.11 R)
• M13: 8,059,735 km (0.035 R)
• M14: 9,543,147 km (0.092 R)
• M15: 11,995,056 km (0.111 R)
• M16: 13,040,746 km (0.108 R)
• M17: 13,845,133 km (0.111 R)
• M18: 14,994,943 km (0.115 R)
• M19: 16,541,037 km (0.096 R)
• M20: 16,964,997 km (0.114 R)
• M21: 18,190,652 km (0.079 R)
• M22: 20,524,229 km (0.076 R)
• M23: 23,260,823 km (0.052 R)
• M24: 28,467,577 km (0.089 R)
• M25: 30,827,633 km (0.109 R)
• M26: 31,599,109 km (0.093 R)
• M27: 33,584,423 km (0.057 R)
• M28: 34,538,558 km (0.081 R)
• M29: 36,787,463 km (0.092 R)
• M30: 37,655,430 km (0.074 R)
• M31: 40,188,720 km (0.057 R)
• M32: 42,516,313 km (0.119 R)
• M33: 45,261,135 km (0.088 R)
• M34: 49,334,236 km (0.031 R)
• M35: 51,639,390 km (0.083 R)
• M36: 52,544,756 km (0.115 R)
• M37: 55,891,709 km (0.105 R)
• M38: 73,401,093 km (0.103 R)
• M39: 81,173,749 km (0.1 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 287 - 19,573 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit