🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314

Radius: 11.4

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.52 AU - 0.8 AU

Year: 370 Days

Day: 14.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,267,871 km

• M1: 142,866 km (0.087 R)
• M2: 505,342 km (0.025 R)
• M3: 883,375 km (0.118 R)
• M4: 1,460,674 km (0.088 R)
• M5: 1,820,307 km (0.047 R)
• M6: 2,457,145 km (0.111 R)
• M7: 2,814,834 km (0.12 R)
• M8: 3,298,483 km (0.12 R)
• M9: 3,658,715 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.5

Radius: 12.6

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.48 AU - 1.78 AU

Year: 1436 Days

Day: 7.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,267,871 km

• M1: 156,779 km (0.104 R)
• M2: 786,885 km (0.107 R)
• M3: 1,346,979 km (0.092 R)
• M4: 1,816,417 km (0.091 R)
• M5: 2,334,624 km (0.117 R)
• M6: 4,154,632 km (0.105 R)
• M7: 4,621,677 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.2

Radius: 11.9

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.6 AU - 1.72 AU

Year: 1476 Days

Day: 8.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,267,871 km

• M1: 147,952 km (0.109 R)
• M2: 650,003 km (0.059 R)
• M3: 1,375,403 km (0.049 R)
• M4: 2,056,971 km (0.1 R)
• M5: 2,427,076 km (0.068 R)
• M6: 3,154,720 km (0.085 R)
• M7: 4,146,404 km (0.059 R)
• M8: 4,627,960 km (0.088 R)
• M9: 5,064,486 km (0.073 R)
• M10: 5,883,535 km (0.115 R)
• M11: 6,889,281 km (0.066 R)
• M12: 8,756,113 km (0.114 R)
• M13: 10,329,135 km (0.087 R)
• M14: 11,077,872 km (0.107 R)
• M15: 11,537,137 km (0.109 R)
• M16: 13,186,903 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.4

Radius: 12.2

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.67 AU - 2.23 AU

Year: 1880 Days

Day: 10.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,267,871 km

• M1: 151,842 km (0.087 R)
• M2: 587,022 km (0.095 R)
• M3: 1,001,857 km (0.093 R)
• M4: 1,682,228 km (0.105 R)
• M5: 2,198,191 km (0.107 R)
• M6: 3,422,949 km (0.041 R)
• M7: 5,369,816 km (0.096 R)
• M8: 6,440,488 km (0.109 R)
• M9: 6,827,497 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.6

Radius: 9.4

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.22 AU - 2.42 AU

Year: 2439 Days

Day: 9.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,267,871 km

• M1: 116,836 km (0.102 R)
• M2: 431,141 km (0.104 R)
• M3: 1,574,518 km (0.098 R)
• M4: 3,994,562 km (0.119 R)
• M5: 4,437,372 km (0.097 R)
• M6: 6,396,356 km (0.117 R)
• M7: 7,294,542 km (0.119 R)
• M8: 9,088,819 km (0.117 R)
• M9: 10,088,432 km (0.059 R)
• M10: 11,594,134 km (0.084 R)
• M11: 13,445,707 km (0.038 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.1

Radius: 14.7

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.23 AU - 2.45 AU

Year: 2471 Days

Day: 7.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,267,871 km

• M1: 182,809 km (0.051 R)
• M2: 682,465 km (0.119 R)
• M3: 1,156,840 km (0.112 R)
• M4: 1,780,364 km (0.12 R)
• M5: 2,263,565 km (0.106 R)
• M6: 2,778,182 km (0.058 R)
• M7: 4,237,060 km (0.098 R)
• M8: 5,493,982 km (0.112 R)
• M9: 6,259,624 km (0.07 R)
• M10: 8,213,671 km (0.109 R)
• M11: 8,673,984 km (0.097 R)
• M12: 9,815,565 km (0.064 R)
• M13: 11,092,084 km (0.097 R)
• M14: 11,732,213 km (0.112 R)
• M15: 12,436,669 km (0.108 R)
• M16: 13,127,812 km (0.063 R)
• M17: 13,801,600 km (0.057 R)
• M18: 14,278,219 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340

Radius: 14.5

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 4.29 AU - 4.95 AU

Year: 6854 Days

Day: 14.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,267,871 km

• M1: 193,131 km (0.118 R)
• M2: 910,453 km (0.094 R)
• M3: 1,866,832 km (0.107 R)
• M4: 2,960,691 km (0.102 R)
• M5: 3,443,593 km (0.092 R)
• M6: 5,193,290 km (0.116 R)
• M7: 6,706,173 km (0.093 R)
• M8: 8,159,217 km (0.106 R)
• M9: 8,960,314 km (0.086 R)
• M10: 14,095,859 km (0.062 R)
• M11: 14,803,308 km (0.089 R)
• M12: 16,886,608 km (0.049 R)
• M13: 18,252,287 km (0.12 R)
• M14: 23,766,913 km (0.091 R)
• M15: 26,449,502 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 29.2

Radius: 4

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 4.86 AU - 6.62 AU

Year: 9492 Days

Day: 17.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,267,871 km

• M1: 49,816 km (0.087 R)
• M2: 301,739 km (0.112 R)
• M3: 463,604 km (0.073 R)
• M4: 1,112,859 km (0.1 R)
• M5: 1,480,121 km (0.115 R)
• M6: 3,800,085 km (0.109 R)
• M7: 4,100,478 km (0.116 R)
• M8: 4,477,464 km (0.096 R)
• M9: 6,244,814 km (0.077 R)
• M10: 7,759,941 km (0.105 R)
• M11: 9,537,762 km (0.045 R)
• M12: 10,127,028 km (0.11 R)
• M13: 10,962,382 km (0.062 R)
• M14: 12,976,568 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 682.6

Radius: 3.7

Gravity: 49.86 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 4.6 AU - 7.42 AU

Year: 10170 Days

Day: 20.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 65,267,871 km

• M1: 63,280 km (0.057 R)
• M2: 255,513 km (0.09 R)
• M3: 533,466 km (0.084 R)
• M4: 766,091 km (0.08 R)
• M5: 998,117 km (0.061 R)
• M6: 1,586,934 km (0.066 R)
• M7: 2,516,087 km (0.058 R)
• M8: 3,428,933 km (0.11 R)
• M9: 5,462,716 km (0.111 R)
• M10: 5,702,222 km (0.028 R)
• M11: 7,453,265 km (0.071 R)
• M12: 8,724,249 km (0.087 R)
• M13: 9,581,893 km (0.093 R)
• M14: 9,980,572 km (0.114 R)
• M15: 11,079,667 km (0.063 R)
• M16: 12,845,670 km (0.079 R)
• M17: 13,207,996 km (0.097 R)
• M18: 14,271,188 km (0.087 R)
• M19: 15,593,783 km (0.037 R)
• M20: 16,284,626 km (0.113 R)
• M21: 17,285,884 km (0.097 R)
• M22: 20,209,027 km (0.11 R)
• M23: 28,005,469 km (0.119 R)
• M24: 29,857,491 km (0.034 R)
• M25: 38,579,047 km (0.112 R)
• M26: 38,703,961 km (0.106 R)
• M27: 42,177,324 km (0.064 R)
• M28: 44,604,700 km (0.113 R)
• M29: 46,133,141 km (0.073 R)
• M30: 46,273,763 km (0.069 R)
• M31: 46,555,905 km (0.046 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 906.7

Radius: 3.3

Gravity: 83.26 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 6.02 AU - 8.72 AU

Year: 13811 Days

Day: 16.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 65,267,871 km

• M1: 55,800 km (0.082 R)
• M2: 171,589 km (0.1 R)
• M3: 298,298 km (0.112 R)
• M4: 653,743 km (0.027 R)
• M5: 803,939 km (0.115 R)
• M6: 1,551,031 km (0.099 R)
• M7: 2,259,526 km (0.089 R)
• M8: 2,406,431 km (0.11 R)
• M9: 3,453,317 km (0.104 R)
• M10: 3,676,966 km (0.113 R)
• M11: 4,569,467 km (0.107 R)
• M12: 4,873,599 km (0.102 R)
• M13: 5,635,352 km (0.036 R)
• M14: 6,726,967 km (0.073 R)
• M15: 8,000,345 km (0.086 R)
• M16: 9,425,713 km (0.107 R)
• M17: 12,966,096 km (0.052 R)
• M18: 18,454,543 km (0.104 R)
• M19: 20,460,052 km (0.065 R)
• M20: 21,006,234 km (0.102 R)
• M21: 23,584,254 km (0.086 R)
• M22: 24,083,761 km (0.079 R)
• M23: 25,729,487 km (0.105 R)
• M24: 28,224,331 km (0.049 R)
• M25: 32,691,323 km (0.034 R)
• M26: 36,666,887 km (0.075 R)
• M27: 43,439,033 km (0.105 R)
• M28: 45,100,168 km (0.112 R)
• M29: 45,253,356 km (0.108 R)
• M30: 45,560,480 km (0.114 R)
• M31: 47,275,171 km (0.054 R)
• M32: 51,832,670 km (0.113 R)
• M33: 52,000,669 km (0.112 R)
• M34: 53,700,400 km (0.082 R)
• M35: 55,436,782 km (0.094 R)
• M36: 55,788,487 km (0.059 R)
• M37: 57,930,130 km (0.085 R)
• M38: 59,571,817 km (0.056 R)
• M39: 64,877,305 km (0.049 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 447 - 15,733 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit