🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.4

Radius: 14

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.14 AU - 1.62 AU

Year: 1081 Days

Day: 5.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 84,777,402 km

• M1: 174,581 km (0.081 R)
• M2: 620,532 km (0.072 R)
• M3: 1,301,501 km (0.096 R)
• M4: 1,746,106 km (0.083 R)
• M5: 2,459,539 km (0.101 R)
• M6: 3,335,285 km (0.08 R)
• M7: 4,283,885 km (0.119 R)
• M8: 5,516,571 km (0.054 R)
• M9: 7,698,606 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.5

Radius: 10.4

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.38 AU - 4.08 AU

Year: 4804 Days

Day: 13.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 84,777,402 km

• M1: 138,827 km (0.036 R)
• M2: 481,107 km (0.028 R)
• M3: 1,882,240 km (0.107 R)
• M4: 2,889,034 km (0.06 R)
• M5: 4,016,404 km (0.103 R)
• M6: 5,667,366 km (0.081 R)
• M7: 6,105,239 km (0.047 R)
• M8: 6,502,720 km (0.065 R)
• M9: 7,148,235 km (0.051 R)
• M10: 7,521,183 km (0.084 R)
• M11: 10,550,689 km (0.085 R)
• M12: 11,305,410 km (0.038 R)
• M13: 11,906,495 km (0.109 R)
• M14: 12,773,713 km (0.082 R)
• M15: 14,472,397 km (0.118 R)
• M16: 16,609,253 km (0.059 R)
• M17: 21,013,115 km (0.085 R)
• M18: 22,350,371 km (0.09 R)
• M19: 27,601,705 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.9

Radius: 12.3

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.78 AU - 4.08 AU

Year: 5195 Days

Day: 10.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 84,777,402 km

• M1: 156,330 km (0.098 R)
• M2: 794,664 km (0.056 R)
• M3: 1,193,043 km (0.089 R)
• M4: 1,615,208 km (0.062 R)
• M5: 2,755,593 km (0.109 R)
• M6: 3,775,701 km (0.104 R)
• M7: 4,474,323 km (0.039 R)
• M8: 5,116,247 km (0.052 R)
• M9: 5,727,504 km (0.069 R)
• M10: 6,752,249 km (0.032 R)
• M11: 7,237,545 km (0.088 R)
• M12: 10,381,045 km (0.108 R)
• M13: 11,556,585 km (0.115 R)
• M14: 13,134,992 km (0.055 R)
• M15: 14,115,008 km (0.119 R)
• M16: 14,566,045 km (0.1 R)
• M17: 20,112,087 km (0.027 R)
• M18: 21,266,085 km (0.037 R)
• M19: 22,387,471 km (0.072 R)
• M20: 23,312,734 km (0.057 R)
• M21: 24,343,762 km (0.101 R)
• M22: 26,496,476 km (0.113 R)
• M23: 29,682,761 km (0.115 R)
• M24: 30,330,669 km (0.101 R)
• M25: 30,799,359 km (0.07 R)
• M26: 31,943,633 km (0.094 R)
• M27: 32,331,391 km (0.067 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 797.8

Radius: 4.4

Gravity: 41.21 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 4.51 AU - 7.27 AU

Year: 9532 Days

Day: 21.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 84,777,402 km

• M1: 54,753 km (0.071 R)
• M2: 290,220 km (0.108 R)
• M3: 481,256 km (0.05 R)
• M4: 952,490 km (0.059 R)
• M5: 1,148,912 km (0.073 R)
• M6: 1,320,052 km (0.03 R)
• M7: 1,480,271 km (0.077 R)
• M8: 1,668,615 km (0.082 R)
• M9: 1,972,448 km (0.072 R)
• M10: 2,350,183 km (0.047 R)
• M11: 2,526,259 km (0.096 R)
• M12: 3,154,122 km (0.057 R)
• M13: 3,491,913 km (0.085 R)
• M14: 4,015,805 km (0.089 R)
• M15: 5,690,254 km (0.077 R)
• M16: 6,008,598 km (0.119 R)
• M17: 6,338,611 km (0.105 R)
• M18: 7,652,679 km (0.107 R)
• M19: 11,075,179 km (0.097 R)
• M20: 13,955,088 km (0.12 R)
• M21: 16,293,302 km (0.042 R)
• M22: 21,557,951 km (0.098 R)
• M23: 22,416,792 km (0.107 R)
• M24: 24,202,542 km (0.075 R)
• M25: 27,752,200 km (0.096 R)
• M26: 31,743,322 km (0.119 R)
• M27: 33,989,983 km (0.088 R)
• M28: 34,567,730 km (0.116 R)
• M29: 35,861,751 km (0.115 R)
• M30: 36,581,167 km (0.096 R)
• M31: 36,944,391 km (0.076 R)
• M32: 38,922,374 km (0.116 R)
• M33: 40,710,069 km (0.103 R)
• M34: 44,723,779 km (0.109 R)
• M35: 46,118,181 km (0.081 R)
• M36: 47,685,219 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 725.3

Radius: 7.8

Gravity: 11.92 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 4.93 AU - 7.87 AU

Year: 10797 Days

Day: 20.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 84,777,402 km

• M1: 97,837 km (0.105 R)
• M2: 532,718 km (0.104 R)
• M3: 806,482 km (0.048 R)
• M4: 1,095,954 km (0.088 R)
• M5: 4,120,673 km (0.115 R)
• M6: 5,290,379 km (0.104 R)
• M7: 7,737,351 km (0.094 R)
• M8: 9,904,426 km (0.118 R)
• M9: 14,851,329 km (0.108 R)
• M10: 18,079,800 km (0.063 R)
• M11: 21,661,173 km (0.078 R)
• M12: 21,921,474 km (0.105 R)
• M13: 22,183,569 km (0.036 R)
• M14: 22,803,652 km (0.11 R)
• M15: 23,893,473 km (0.075 R)
• M16: 24,357,525 km (0.1 R)
• M17: 25,112,695 km (0.117 R)
• M18: 30,297,907 km (0.095 R)
• M19: 32,967,780 km (0.116 R)
• M20: 37,884,913 km (0.029 R)
• M21: 38,516,066 km (0.071 R)
• M22: 40,978,597 km (0.092 R)
• M23: 45,360,169 km (0.064 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 658.6

Radius: 7.6

Gravity: 11.4 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 6.35 AU - 8.55 AU

Year: 13560 Days

Day: 20.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 84,777,402 km

• M1: 96,191 km (0.076 R)
• M2: 472,879 km (0.088 R)
• M3: 1,020,557 km (0.031 R)
• M4: 1,736,233 km (0.072 R)
• M5: 2,470,609 km (0.108 R)
• M6: 2,978,194 km (0.033 R)
• M7: 3,422,500 km (0.081 R)
• M8: 4,663,115 km (0.095 R)
• M9: 5,367,422 km (0.09 R)
• M10: 6,414,158 km (0.104 R)
• M11: 7,370,986 km (0.117 R)
• M12: 7,725,234 km (0.073 R)
• M13: 9,669,258 km (0.097 R)
• M14: 10,980,633 km (0.108 R)
• M15: 11,918,313 km (0.101 R)
• M16: 12,530,766 km (0.059 R)
• M17: 13,099,837 km (0.028 R)
• M18: 14,840,707 km (0.103 R)
• M19: 15,839,273 km (0.108 R)
• M20: 17,732,733 km (0.102 R)
• M21: 18,049,133 km (0.073 R)
• M22: 18,369,272 km (0.032 R)
• M23: 19,103,498 km (0.111 R)
• M24: 23,828,846 km (0.083 R)
• M25: 24,214,211 km (0.068 R)
• M26: 26,614,508 km (0.057 R)
• M27: 27,133,912 km (0.107 R)
• M28: 35,505,110 km (0.073 R)
• M29: 38,859,094 km (0.111 R)
• M30: 39,125,528 km (0.054 R)
• M31: 41,997,059 km (0.077 R)
• M32: 45,152,826 km (0.103 R)
• M33: 48,463,128 km (0.106 R)
• M34: 48,771,898 km (0.093 R)
• M35: 49,862,765 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 306.5

Radius: 4.1

Gravity: 18.23 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 6.96 AU - 9.2 AU

Year: 15316 Days

Day: 24.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 84,777,402 km

• M1: 51,162 km (0.053 R)
• M2: 400,773 km (0.088 R)
• M3: 886,667 km (0.087 R)
• M4: 3,380,313 km (0.074 R)
• M5: 3,682,052 km (0.071 R)
• M6: 4,139,971 km (0.085 R)
• M7: 4,281,641 km (0.105 R)
• M8: 4,544,634 km (0.108 R)
• M9: 4,880,780 km (0.052 R)
• M10: 5,706,261 km (0.052 R)
• M11: 6,814,632 km (0.068 R)
• M12: 7,092,585 km (0.055 R)
• M13: 7,628,743 km (0.098 R)
• M14: 8,147,100 km (0.052 R)
• M15: 11,988,474 km (0.081 R)
• M16: 13,108,813 km (0.082 R)
• M17: 17,247,737 km (0.104 R)
• M18: 17,763,700 km (0.114 R)
• M19: 22,266,745 km (0.118 R)
• M20: 22,878,152 km (0.073 R)
• M21: 23,143,688 km (0.067 R)
• M22: 24,501,738 km (0.057 R)
• M23: 28,687,636 km (0.104 R)
• M24: 30,466,055 km (0.086 R)
• M25: 31,327,739 km (0.09 R)
• M26: 37,943,555 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 837.1

Radius: 4.3

Gravity: 45.27 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 9.54 AU - 10.58 AU

Year: 21278 Days

Day: 22.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 84,777,402 km

• M1: 53,556 km (0.105 R)
• M2: 252,820 km (0.025 R)
• M3: 394,041 km (0.058 R)
• M4: 3,383,455 km (0.079 R)
• M5: 3,748,623 km (0.118 R)
• M6: 5,557,561 km (0.117 R)
• M7: 6,696,001 km (0.102 R)
• M8: 8,193,027 km (0.089 R)
• M9: 8,353,994 km (0.066 R)
• M10: 10,454,498 km (0.117 R)
• M11: 11,966,334 km (0.071 R)
• M12: 20,540,087 km (0.091 R)
• M13: 21,238,410 km (0.099 R)
• M14: 22,893,860 km (0.103 R)
• M15: 27,047,594 km (0.103 R)
• M16: 30,249,138 km (0.094 R)
• M17: 33,969,787 km (0.076 R)
• M18: 57,987,575 km (0.09 R)
• M19: 58,185,045 km (0.047 R)
• M20: 64,532,482 km (0.085 R)
• M21: 66,458,106 km (0.118 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 14,852 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit