🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.9

Radius: 10.7

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.04 AU - 1.34 AU

Year: 912 Days

Day: 5.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,482,948 km

• M1: 133,142 km (0.062 R)
• M2: 502,050 km (0.1 R)
• M3: 851,212 km (0.118 R)
• M4: 1,218,624 km (0.049 R)
• M5: 1,637,797 km (0.115 R)
• M6: 2,040,066 km (0.039 R)
• M7: 2,402,841 km (0.07 R)
• M8: 3,818,037 km (0.075 R)
• M9: 4,797,305 km (0.029 R)
• M10: 5,336,904 km (0.047 R)
• M11: 6,232,098 km (0.076 R)
• M12: 7,516,844 km (0.074 R)
• M13: 8,005,880 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.3

Radius: 8.5

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.32 AU - 1.8 AU

Year: 1370 Days

Day: 12.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,482,948 km

• M1: 105,915 km (0.043 R)
• M2: 792,869 km (0.084 R)
• M3: 1,069,924 km (0.058 R)
• M4: 1,470,397 km (0.079 R)
• M5: 2,184,129 km (0.098 R)
• M6: 3,003,028 km (0.059 R)
• M7: 3,336,631 km (0.094 R)
• M8: 3,744,435 km (0.085 R)
• M9: 4,185,300 km (0.102 R)
• M10: 4,762,598 km (0.057 R)
• M11: 5,186,708 km (0.027 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.3

Radius: 13.9

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.61 AU - 2.27 AU

Year: 1899 Days

Day: 13.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,482,948 km

• M1: 172,935 km (0.093 R)
• M2: 820,544 km (0.074 R)
• M3: 1,591,273 km (0.066 R)
• M4: 2,777,883 km (0.108 R)
• M5: 3,375,975 km (0.08 R)
• M6: 3,941,605 km (0.088 R)
• M7: 4,474,173 km (0.11 R)
• M8: 5,282,899 km (0.107 R)
• M9: 6,029,692 km (0.106 R)
• M10: 6,593,377 km (0.098 R)
• M11: 7,258,638 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.8

Radius: 9.5

Gravity: 10.31 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.08 AU - 2.56 AU

Year: 2484 Days

Day: 11.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,482,948 km

• M1: 118,182 km (0.074 R)
• M2: 493,374 km (0.051 R)
• M3: 861,085 km (0.094 R)
• M4: 1,433,297 km (0.105 R)
• M5: 1,823,448 km (0.091 R)
• M6: 3,588,853 km (0.107 R)
• M7: 3,961,052 km (0.091 R)
• M8: 4,402,516 km (0.111 R)
• M9: 4,714,726 km (0.103 R)
• M10: 5,235,626 km (0.063 R)
• M11: 5,768,045 km (0.079 R)
• M12: 8,300,139 km (0.096 R)
• M13: 10,055,819 km (0.117 R)
• M14: 10,364,290 km (0.114 R)
• M15: 12,046,069 km (0.117 R)
• M16: 13,065,429 km (0.088 R)
• M17: 13,950,001 km (0.117 R)
• M18: 14,626,932 km (0.093 R)
• M19: 17,389,556 km (0.086 R)
• M20: 20,667,544 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.7

Radius: 14

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.71 AU - 3.53 AU

Year: 3874 Days

Day: 12.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,482,948 km

• M1: 174,132 km (0.113 R)
• M2: 800,498 km (0.115 R)
• M3: 1,254,677 km (0.034 R)
• M4: 2,162,138 km (0.084 R)
• M5: 2,649,827 km (0.109 R)
• M6: 3,139,162 km (0.09 R)
• M7: 4,083,872 km (0.118 R)
• M8: 4,576,797 km (0.032 R)
• M9: 6,565,103 km (0.101 R)
• M10: 7,213,011 km (0.108 R)
• M11: 9,076,701 km (0.105 R)
• M12: 10,609,930 km (0.101 R)
• M13: 11,724,135 km (0.11 R)
• M14: 13,442,416 km (0.055 R)
• M15: 15,217,095 km (0.045 R)
• M16: 20,170,879 km (0.096 R)
• M17: 21,810,921 km (0.118 R)
• M18: 22,767,450 km (0.034 R)
• M19: 23,256,036 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.2

Radius: 12.6

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 3.15 AU - 4.33 AU

Year: 5084 Days

Day: 14.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,482,948 km

• M1: 164,707 km (0.098 R)
• M2: 560,244 km (0.068 R)
• M3: 1,107,174 km (0.09 R)
• M4: 1,686,866 km (0.038 R)
• M5: 2,991,957 km (0.099 R)
• M6: 3,531,108 km (0.078 R)
• M7: 4,064,125 km (0.109 R)
• M8: 4,779,652 km (0.12 R)
• M9: 5,635,801 km (0.101 R)
• M10: 7,724,785 km (0.117 R)
• M11: 10,199,134 km (0.108 R)
• M12: 11,954,067 km (0.091 R)
• M13: 14,503,962 km (0.11 R)
• M14: 18,031,630 km (0.061 R)
• M15: 18,550,286 km (0.102 R)
• M16: 19,347,044 km (0.113 R)
• M17: 21,080,135 km (0.071 R)
• M18: 22,168,310 km (0.096 R)
• M19: 25,414,883 km (0.081 R)
• M20: 27,576,423 km (0.083 R)
• M21: 29,857,790 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.9

Radius: 13.5

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 4.07 AU - 4.63 AU

Year: 6377 Days

Day: 9.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 142.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,482,948 km

• M1: 167,849 km (0.092 R)
• M2: 720,763 km (0.111 R)
• M3: 1,175,540 km (0.111 R)
• M4: 1,629,121 km (0.11 R)
• M5: 2,507,709 km (0.082 R)
• M6: 2,988,816 km (0.072 R)
• M7: 3,663,203 km (0.105 R)
• M8: 4,181,709 km (0.119 R)
• M9: 6,708,866 km (0.09 R)
• M10: 12,954,577 km (0.106 R)
• M11: 14,261,763 km (0.063 R)
• M12: 16,017,444 km (0.039 R)
• M13: 16,866,412 km (0.102 R)
• M14: 17,800,950 km (0.115 R)
• M15: 20,626,704 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 841.8

Radius: 3.8

Gravity: 58.3 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 4.48 AU - 7.06 AU

Year: 9743 Days

Day: 15.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,482,948 km

• M1: 86,468 km (0.074 R)
• M2: 290,519 km (0.086 R)
• M3: 964,308 km (0.069 R)
• M4: 1,130,362 km (0.076 R)
• M5: 1,449,603 km (0.119 R)
• M6: 2,340,907 km (0.098 R)
• M7: 2,857,170 km (0.073 R)
• M8: 3,396,021 km (0.066 R)
• M9: 4,341,330 km (0.074 R)
• M10: 4,519,501 km (0.098 R)
• M11: 5,869,622 km (0.095 R)
• M12: 7,552,149 km (0.076 R)
• M13: 8,388,551 km (0.104 R)
• M14: 9,333,710 km (0.101 R)
• M15: 15,967,778 km (0.069 R)
• M16: 17,411,995 km (0.077 R)
• M17: 20,807,568 km (0.101 R)
• M18: 22,001,658 km (0.108 R)
• M19: 24,432,324 km (0.094 R)
• M20: 38,411,497 km (0.073 R)
• M21: 38,537,608 km (0.044 R)
• M22: 38,917,886 km (0.084 R)
• M23: 39,300,707 km (0.095 R)
• M24: 47,929,512 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 533.1

Radius: 3.3

Gravity: 48.95 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 7.86 AU - 9.58 AU

Year: 18100 Days

Day: 17.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 81.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 65,482,948 km

• M1: 42,486 km (0.111 R)
• M2: 236,514 km (0.078 R)
• M3: 709,692 km (0.106 R)
• M4: 1,075,908 km (0.092 R)
• M5: 1,555,967 km (0.08 R)
• M6: 1,738,178 km (0.101 R)
• M7: 2,246,362 km (0.049 R)
• M8: 3,519,739 km (0.091 R)
• M9: 3,631,937 km (0.1 R)
• M10: 4,356,290 km (0.115 R)
• M11: 5,171,898 km (0.077 R)
• M12: 7,323,713 km (0.069 R)
• M13: 7,787,467 km (0.11 R)
• M14: 9,783,850 km (0.082 R)
• M15: 10,175,049 km (0.1 R)
• M16: 13,345,177 km (0.085 R)
• M17: 16,718,310 km (0.1 R)
• M18: 17,115,941 km (0.104 R)
• M19: 17,276,759 km (0.06 R)
• M20: 18,263,058 km (0.072 R)
• M21: 19,900,406 km (0.037 R)
• M22: 20,078,129 km (0.088 R)
• M23: 21,352,852 km (0.066 R)
• M24: 22,010,036 km (0.027 R)
• M25: 24,062,219 km (0.112 R)
• M26: 30,034,017 km (0.091 R)
• M27: 32,306,408 km (0.12 R)
• M28: 35,207,410 km (0.113 R)
• M29: 35,467,561 km (0.104 R)
• M30: 36,521,029 km (0.09 R)
• M31: 37,459,905 km (0.096 R)
• M32: 37,867,111 km (0.091 R)
• M33: 42,396,037 km (0.107 R)
• M34: 43,283,451 km (0.117 R)
• M35: 49,518,990 km (0.12 R)
• M36: 50,338,038 km (0.058 R)
• M37: 51,166,212 km (0.116 R)
• M38: 51,332,864 km (0.062 R)
• M39: 55,443,514 km (0.091 R)
• M40: 56,504,462 km (0.086 R)
• M41: 65,286,755 km (0.088 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 329 - 18,168 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit