🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.3

Radius: 12.7

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.65 AU - 1.03 AU

Year: 505 Days

Day: 9.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,079,103 km

• M1: 157,975 km (0.084 R)
• M2: 674,088 km (0.088 R)
• M3: 1,342,940 km (0.034 R)
• M4: 1,764,507 km (0.116 R)
• M5: 2,229,457 km (0.078 R)
• M6: 2,907,285 km (0.059 R)
• M7: 4,214,621 km (0.107 R)
• M8: 4,722,954 km (0.084 R)
• M9: 5,476,030 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532

Radius: 11.1

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.8 AU - 0.92 AU

Year: 523 Days

Day: 7.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,079,103 km

• M1: 138,528 km (0.115 R)
• M2: 600,635 km (0.097 R)
• M3: 1,014,872 km (0.109 R)
• M4: 1,439,431 km (0.065 R)
• M5: 1,870,273 km (0.114 R)
• M6: 3,074,984 km (0.095 R)
• M7: 3,838,233 km (0.104 R)
• M8: 4,342,826 km (0.081 R)
• M9: 4,738,662 km (0.114 R)
• M10: 5,094,705 km (0.087 R)
• M11: 5,896,250 km (0.108 R)

Asteroid Belt

Center: 1.49 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.8

Radius: 12.5

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.67 AU - 2.57 AU

Year: 2025 Days

Day: 12.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,079,103 km

• M1: 155,432 km (0.109 R)
• M2: 553,512 km (0.092 R)
• M3: 1,043,595 km (0.114 R)
• M4: 1,494,483 km (0.085 R)
• M5: 2,077,017 km (0.058 R)
• M6: 2,754,097 km (0.087 R)
• M7: 3,219,197 km (0.092 R)
• M8: 3,703,744 km (0.092 R)
• M9: 4,761,999 km (0.07 R)
• M10: 6,104,341 km (0.109 R)
• M11: 6,652,767 km (0.095 R)
• M12: 7,312,194 km (0.12 R)
• M13: 8,325,421 km (0.086 R)
• M14: 9,152,697 km (0.065 R)
• M15: 9,554,966 km (0.045 R)
• M16: 10,867,837 km (0.045 R)
• M17: 12,149,142 km (0.086 R)
• M18: 12,941,861 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.9

Radius: 10.8

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 4.76 AU - 5.46 AU

Year: 7578 Days

Day: 14.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,079,103 km

• M1: 135,835 km (0.105 R)
• M2: 1,377,946 km (0.101 R)
• M3: 1,873,265 km (0.106 R)
• M4: 2,256,085 km (0.083 R)
• M5: 3,381,510 km (0.088 R)
• M6: 6,003,213 km (0.112 R)
• M7: 8,549,219 km (0.083 R)
• M8: 9,522,652 km (0.103 R)
• M9: 12,663,460 km (0.082 R)
• M10: 13,400,379 km (0.063 R)
• M11: 15,782,875 km (0.059 R)
• M12: 16,436,767 km (0.099 R)
• M13: 19,086,893 km (0.112 R)
• M14: 19,904,296 km (0.118 R)
• M15: 30,197,078 km (0.106 R)
• M16: 31,102,893 km (0.107 R)
• M17: 31,613,920 km (0.025 R)
• M18: 32,130,481 km (0.111 R)
• M19: 34,362,033 km (0.1 R)
• M20: 38,424,662 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.8

Radius: 13.4

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 4.25 AU - 6.13 AU

Year: 7756 Days

Day: 14.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,079,103 km

• M1: 167,400 km (0.113 R)
• M2: 952,340 km (0.103 R)
• M3: 1,704,817 km (0.051 R)
• M4: 2,687,526 km (0.054 R)
• M5: 3,589,451 km (0.098 R)
• M6: 4,342,826 km (0.089 R)
• M7: 7,568,156 km (0.102 R)
• M8: 18,196,487 km (0.088 R)
• M9: 20,096,828 km (0.09 R)
• M10: 22,975,241 km (0.069 R)
• M11: 23,582,160 km (0.106 R)
• M12: 26,779,365 km (0.05 R)
• M13: 28,234,205 km (0.073 R)
• M14: 36,307,852 km (0.104 R)
• M15: 37,608,306 km (0.059 R)
• M16: 40,302,115 km (0.091 R)
• M17: 42,210,984 km (0.115 R)
• M18: 44,046,400 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.7

Radius: 10.1

Gravity: 8.48 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 4.92 AU - 5.56 AU

Year: 7869 Days

Day: 7 Hours

Environment

Temp: -216 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 71,079,103 km

• M1: 125,662 km (0.102 R)
• M2: 477,816 km (0.056 R)
• M3: 926,460 km (0.034 R)
• M4: 1,314,367 km (0.075 R)
• M5: 1,751,342 km (0.06 R)
• M6: 2,798,079 km (0.094 R)
• M7: 3,457,955 km (0.115 R)
• M8: 3,774,653 km (0.075 R)
• M9: 5,337,203 km (0.078 R)
• M10: 6,245,113 km (0.028 R)
• M11: 8,671,590 km (0.083 R)
• M12: 10,070,031 km (0.081 R)
• M13: 11,239,737 km (0.056 R)
• M14: 13,606,076 km (0.109 R)
• M15: 14,463,721 km (0.117 R)
• M16: 21,915,490 km (0.116 R)
• M17: 22,583,295 km (0.087 R)
• M18: 23,784,715 km (0.096 R)
• M19: 25,299,992 km (0.101 R)
• M20: 26,689,756 km (0.103 R)
• M21: 29,117,879 km (0.049 R)
• M22: 34,858,548 km (0.05 R)
• M23: 37,045,519 km (0.102 R)
• M24: 41,818,290 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 245

Radius: 4.2

Gravity: 13.89 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 8.02 AU - 8.56 AU

Year: 15658 Days

Day: 25 Hours

Environment

Temp: -225 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 71,079,103 km

• M1: 52,359 km (0.105 R)
• M2: 229,633 km (0.082 R)
• M3: 617,091 km (0.111 R)
• M4: 994,975 km (0.062 R)
• M5: 1,744,461 km (0.109 R)
• M6: 2,137,305 km (0.098 R)
• M7: 2,354,820 km (0.057 R)
• M8: 2,527,306 km (0.116 R)
• M9: 3,051,647 km (0.091 R)
• M10: 3,187,631 km (0.062 R)
• M11: 3,721,247 km (0.077 R)
• M12: 4,630,204 km (0.042 R)
• M13: 5,280,356 km (0.087 R)
• M14: 7,069,846 km (0.111 R)
• M15: 14,653,411 km (0.119 R)
• M16: 16,593,396 km (0.059 R)
• M17: 18,174,496 km (0.105 R)
• M18: 18,323,046 km (0.042 R)
• M19: 19,853,433 km (0.104 R)
• M20: 21,055,601 km (0.102 R)
• M21: 21,384,118 km (0.06 R)
• M22: 22,051,624 km (0.085 R)
• M23: 22,305,491 km (0.111 R)
• M24: 23,340,260 km (0.053 R)
• M25: 26,445,612 km (0.072 R)
• M26: 26,636,350 km (0.071 R)
• M27: 28,096,724 km (0.079 R)
• M28: 29,609,607 km (0.104 R)
• M29: 31,602,700 km (0.111 R)
• M30: 35,737,435 km (0.119 R)
• M31: 40,724,131 km (0.118 R)
• M32: 45,742,242 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 982.2

Radius: 4.1

Gravity: 58.43 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 9.92 AU - 10.06 AU

Year: 20714 Days

Day: 20.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 71,079,103 km

• M1: 64,776 km (0.119 R)
• M2: 235,018 km (0.094 R)
• M3: 365,318 km (0.062 R)
• M4: 1,147,116 km (0.099 R)
• M5: 1,373,757 km (0.079 R)
• M6: 1,836,912 km (0.115 R)
• M7: 2,327,444 km (0.084 R)
• M8: 2,590,886 km (0.109 R)
• M9: 4,354,644 km (0.084 R)
• M10: 6,145,181 km (0.058 R)
• M11: 6,507,956 km (0.073 R)
• M12: 7,376,372 km (0.072 R)
• M13: 7,630,688 km (0.108 R)
• M14: 8,103,268 km (0.084 R)
• M15: 9,106,322 km (0.093 R)
• M16: 9,458,475 km (0.106 R)
• M17: 12,040,833 km (0.061 R)
• M18: 14,496,482 km (0.1 R)
• M19: 15,466,325 km (0.12 R)
• M20: 16,307,065 km (0.118 R)
• M21: 17,896,244 km (0.069 R)
• M22: 18,078,903 km (0.075 R)
• M23: 19,201,485 km (0.101 R)
• M24: 22,104,432 km (0.086 R)
• M25: 23,278,027 km (0.097 R)
• M26: 25,632,698 km (0.038 R)
• M27: 27,773,443 km (0.091 R)
• M28: 28,637,072 km (0.094 R)
• M29: 30,030,277 km (0.103 R)
• M30: 34,904,923 km (0.068 R)
• M31: 37,379,721 km (0.071 R)
• M32: 38,888,714 km (0.076 R)
• M33: 41,068,954 km (0.091 R)
• M34: 48,804,361 km (0.12 R)
• M35: 53,012,399 km (0.118 R)
• M36: 69,749,259 km (0.053 R)
• M37: 70,428,882 km (0.109 R)
• M38: 78,686,834 km (0.102 R)
• M39: 81,159,538 km (0.114 R)
• M40: 81,911,267 km (0.1 R)
• M41: 83,428,638 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 469.5

Radius: 5.9

Gravity: 13.49 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 10.05 AU - 10.63 AU

Year: 21812 Days

Day: 17.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 71,079,103 km

• M1: 73,453 km (0.073 R)
• M2: 667,356 km (0.038 R)
• M3: 1,236,875 km (0.114 R)
• M4: 2,335,223 km (0.101 R)
• M5: 3,117,769 km (0.039 R)
• M6: 3,908,394 km (0.099 R)
• M7: 7,212,562 km (0.111 R)
• M8: 7,539,882 km (0.071 R)
• M9: 7,779,688 km (0.033 R)
• M10: 14,656,403 km (0.046 R)
• M11: 16,429,287 km (0.095 R)
• M12: 17,242,800 km (0.057 R)
• M13: 23,197,095 km (0.071 R)
• M14: 35,348,481 km (0.112 R)
• M15: 36,701,594 km (0.111 R)
• M16: 40,820,472 km (0.049 R)
• M17: 47,641,686 km (0.112 R)
• M18: 50,638,131 km (0.095 R)
• M19: 50,978,616 km (0.115 R)
• M20: 57,371,831 km (0.079 R)
• M21: 58,861,526 km (0.113 R)
• M22: 62,112,737 km (0.076 R)
• M23: 70,441,897 km (0.116 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 506 - 11,716 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit