🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.8

Radius: 10.3

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.57 AU - 0.69 AU

Year: 345 Days

Day: 8.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,555,292 km

• M1: 128,505 km (0.03 R)
• M2: 487,839 km (0.051 R)
• M3: 861,385 km (0.12 R)
• M4: 1,413,251 km (0.11 R)
• M5: 1,760,318 km (0.035 R)
• M6: 2,324,601 km (0.096 R)
• M7: 3,217,401 km (0.085 R)
• M8: 3,671,132 km (0.112 R)
• M9: 4,167,049 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.2

Radius: 13.1

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.72 AU - 0.78 AU

Year: 448 Days

Day: 5.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 63,555,292 km

• M1: 162,912 km (0.078 R)
• M2: 620,382 km (0.028 R)
• M3: 1,131,708 km (0.058 R)
• M4: 1,934,899 km (0.115 R)
• M5: 2,594,476 km (0.069 R)
• M6: 3,730,522 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.1

Radius: 8.6

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.75 AU - 2.17 AU

Year: 1894 Days

Day: 6.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,555,292 km

• M1: 107,262 km (0.107 R)
• M2: 497,862 km (0.072 R)
• M3: 773,271 km (0.114 R)
• M4: 1,722,769 km (0.076 R)
• M5: 2,129,226 km (0.079 R)
• M6: 3,107,597 km (0.111 R)
• M7: 4,238,407 km (0.11 R)
• M8: 4,737,914 km (0.116 R)
• M9: 6,589,936 km (0.095 R)
• M10: 8,324,523 km (0.099 R)
• M11: 9,108,416 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.9

Radius: 8.5

Gravity: 11.71 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2 AU - 2.26 AU

Year: 2146 Days

Day: 7.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,555,292 km

• M1: 105,766 km (0.045 R)
• M2: 371,900 km (0.073 R)
• M3: 723,306 km (0.061 R)
• M4: 1,056,759 km (0.117 R)
• M5: 1,368,821 km (0.088 R)
• M6: 1,720,675 km (0.112 R)
• M7: 2,094,669 km (0.116 R)
• M8: 2,522,370 km (0.119 R)
• M9: 3,221,740 km (0.092 R)
• M10: 3,737,104 km (0.098 R)
• M11: 4,537,004 km (0.033 R)
• M12: 4,820,193 km (0.068 R)
• M13: 9,989,847 km (0.087 R)
• M14: 12,048,912 km (0.079 R)
• M15: 13,287,881 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.3

Radius: 14.5

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.04 AU - 2.84 AU

Year: 2631 Days

Day: 11.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,555,292 km

• M1: 180,415 km (0.093 R)
• M2: 694,882 km (0.082 R)
• M3: 1,332,468 km (0.086 R)
• M4: 2,088,835 km (0.118 R)
• M5: 2,842,060 km (0.102 R)
• M6: 3,675,470 km (0.09 R)
• M7: 5,649,115 km (0.062 R)
• M8: 6,881,652 km (0.049 R)
• M9: 7,453,116 km (0.055 R)
• M10: 8,353,246 km (0.089 R)
• M11: 9,288,681 km (0.068 R)
• M12: 10,101,746 km (0.113 R)
• M13: 12,083,469 km (0.115 R)
• M14: 13,510,333 km (0.085 R)
• M15: 14,506,057 km (0.097 R)
• M16: 17,237,115 km (0.1 R)
• M17: 18,637,651 km (0.054 R)
• M18: 19,513,546 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.6

Radius: 10.5

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.18 AU - 4.68 AU

Year: 5378 Days

Day: 9.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,555,292 km

• M1: 130,599 km (0.1 R)
• M2: 482,453 km (0.064 R)
• M3: 1,189,453 km (0.087 R)
• M4: 1,767,349 km (0.094 R)
• M5: 2,250,700 km (0.086 R)
• M6: 3,258,690 km (0.112 R)
• M7: 4,089,407 km (0.066 R)
• M8: 7,405,095 km (0.081 R)
• M9: 9,315,310 km (0.104 R)
• M10: 12,657,925 km (0.089 R)
• M11: 13,313,163 km (0.065 R)
• M12: 15,026,657 km (0.062 R)
• M13: 16,986,988 km (0.065 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 49.8

Radius: 3.2

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 5.44 AU - 8.94 AU

Year: 13308 Days

Day: 20 Hours

Environment

Temp: -227 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,555,292 km

• M1: 39,793 km (0.103 R)
• M2: 183,108 km (0.114 R)
• M3: 547,827 km (0.059 R)
• M4: 759,658 km (0.109 R)
• M5: 1,717,384 km (0.107 R)
• M6: 2,762,624 km (0.08 R)
• M7: 4,609,709 km (0.054 R)
• M8: 6,403,986 km (0.104 R)
• M9: 6,584,401 km (0.092 R)
• M10: 8,579,139 km (0.065 R)
• M11: 9,791,929 km (0.12 R)
• M12: 12,365,461 km (0.119 R)
• M13: 15,733,358 km (0.112 R)
• M14: 16,283,279 km (0.038 R)
• M15: 18,369,422 km (0.076 R)
• M16: 19,040,667 km (0.111 R)
• M17: 20,045,965 km (0.09 R)
• M18: 21,957,527 km (0.065 R)
• M19: 24,203,739 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 810.2

Radius: 4.5

Gravity: 40.01 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 8.27 AU - 10.83 AU

Year: 20371 Days

Day: 24.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 63,555,292 km

• M1: 55,950 km (0.101 R)
• M2: 243,246 km (0.112 R)
• M3: 2,954,857 km (0.078 R)
• M4: 3,516,298 km (0.045 R)
• M5: 4,701,412 km (0.092 R)
• M6: 5,111,161 km (0.103 R)
• M7: 5,625,478 km (0.12 R)
• M8: 8,835,400 km (0.09 R)
• M9: 9,400,431 km (0.118 R)
• M10: 13,233,577 km (0.046 R)
• M11: 14,973,251 km (0.051 R)
• M12: 17,376,840 km (0.095 R)
• M13: 21,395,637 km (0.119 R)
• M14: 23,141,594 km (0.078 R)
• M15: 23,887,489 km (0.106 R)
• M16: 24,211,967 km (0.064 R)
• M17: 25,091,602 km (0.101 R)
• M18: 29,811,265 km (0.119 R)
• M19: 36,500,384 km (0.11 R)
• M20: 37,801,886 km (0.108 R)
• M21: 38,095,247 km (0.119 R)
• M22: 41,112,786 km (0.052 R)
• M23: 42,363,125 km (0.078 R)
• M24: 44,448,819 km (0.11 R)
• M25: 45,104,057 km (0.081 R)
• M26: 46,770,278 km (0.063 R)
• M27: 47,618,498 km (0.074 R)
• M28: 47,960,629 km (0.114 R)
• M29: 48,304,554 km (0.037 R)
• M30: 49,345,755 km (0.065 R)
• M31: 50,224,942 km (0.103 R)
• M32: 51,114,451 km (0.115 R)
• M33: 53,291,997 km (0.111 R)
• M34: 54,777,504 km (0.108 R)
• M35: 55,719,971 km (0.041 R)
• M36: 58,611,847 km (0.098 R)
• M37: 62,008,467 km (0.083 R)
• M38: 67,884,971 km (0.05 R)
• M39: 74,351,339 km (0.169 R)
• M40: 76,204,707 km (0.168 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 90.4

Radius: 5.9

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 8.66 AU - 12.16 AU

Year: 23184 Days

Day: 24.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,555,292 km

• M1: 73,901 km (0.062 R)
• M2: 366,066 km (0.116 R)
• M3: 781,050 km (0.056 R)
• M4: 1,202,767 km (0.06 R)
• M5: 1,721,273 km (0.11 R)
• M6: 2,114,566 km (0.099 R)
• M7: 2,360,056 km (0.12 R)
• M8: 2,723,429 km (0.107 R)
• M9: 3,123,454 km (0.09 R)
• M10: 3,962,100 km (0.093 R)
• M11: 4,675,831 km (0.077 R)
• M12: 5,217,974 km (0.115 R)
• M13: 5,868,425 km (0.089 R)
• M14: 7,648,341 km (0.034 R)
• M15: 9,017,311 km (0.108 R)
• M16: 12,793,760 km (0.086 R)
• M17: 14,899,798 km (0.093 R)
• M18: 18,880,598 km (0.113 R)
• M19: 20,169,383 km (0.079 R)
• M20: 21,922,820 km (0.096 R)
• M21: 22,920,937 km (0.092 R)
• M22: 23,431,215 km (0.089 R)
• M23: 26,096,451 km (0.094 R)
• M24: 26,933,900 km (0.051 R)
• M25: 40,361,655 km (0.113 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 292

Radius: 7

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 8.07 AU - 12.87 AU

Year: 23385 Days

Day: 19.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 63,555,292 km

• M1: 123,418 km (0.04 R)
• M2: 986,598 km (0.106 R)
• M3: 1,281,605 km (0.069 R)
• M4: 1,923,529 km (0.117 R)
• M5: 2,451,909 km (0.076 R)
• M6: 4,689,295 km (0.099 R)
• M7: 5,717,780 km (0.115 R)
• M8: 6,144,733 km (0.115 R)
• M9: 8,705,848 km (0.027 R)
• M10: 10,361,149 km (0.077 R)
• M11: 11,054,983 km (0.105 R)
• M12: 11,840,971 km (0.099 R)
• M13: 13,659,632 km (0.069 R)
• M14: 14,141,786 km (0.101 R)
• M15: 16,184,844 km (0.089 R)
• M16: 17,038,749 km (0.105 R)
• M17: 17,840,743 km (0.113 R)
• M18: 20,666,198 km (0.071 R)
• M19: 22,326,435 km (0.103 R)
• M20: 23,092,227 km (0.115 R)
• M21: 25,082,925 km (0.077 R)
• M22: 29,402,414 km (0.107 R)
• M23: 29,630,551 km (0.071 R)
• M24: 31,498,280 km (0.099 R)
• M25: 34,825,936 km (0.084 R)
• M26: 36,904,598 km (0.107 R)
• M27: 43,338,952 km (0.079 R)
• M28: 50,482,250 km (0.075 R)
• M29: 50,809,570 km (0.077 R)
• M30: 51,138,237 km (0.091 R)
• M31: 54,675,179 km (0.089 R)
• M32: 55,020,302 km (0.098 R)
• M33: 57,299,126 km (0.117 R)
• M34: 59,457,823 km (0.089 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: 457 - 11,520 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit