🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.2

Radius: 9.6

Gravity: 7.55 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.65 AU - 0.97 AU

Year: 486 Days

Day: 15 Hours

Environment

Temp: -158 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,060,854 km

• M1: 119,977 km (0.081 R)
• M2: 443,707 km (0.099 R)
• M3: 756,965 km (0.062 R)
• M4: 1,150,408 km (0.108 R)
• M5: 1,556,416 km (0.037 R)
• M6: 2,082,851 km (0.049 R)
• M7: 2,510,252 km (0.107 R)
• M8: 2,830,691 km (0.067 R)
• M9: 3,567,610 km (0.044 R)
• M10: 4,126,508 km (0.081 R)
• M11: 4,427,199 km (0.088 R)
• M12: 4,913,841 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.5

Radius: 14.4

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.32 AU - 2.04 AU

Year: 1452 Days

Day: 13 Hours

Environment

Temp: -201 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,060,854 km

• M1: 183,856 km (0.106 R)
• M2: 836,402 km (0.087 R)
• M3: 1,363,585 km (0.08 R)
• M4: 1,870,572 km (0.114 R)
• M5: 2,627,986 km (0.076 R)
• M6: 3,150,232 km (0.111 R)
• M7: 3,630,292 km (0.047 R)
• M8: 5,333,762 km (0.108 R)
• M9: 6,551,190 km (0.038 R)
• M10: 7,392,229 km (0.077 R)
• M11: 8,192,877 km (0.083 R)
• M12: 8,671,889 km (0.107 R)
• M13: 10,190,607 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.6

Radius: 14.1

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.48 AU - 2.3 AU

Year: 1733 Days

Day: 9.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,060,854 km

• M1: 175,478 km (0.097 R)
• M2: 742,155 km (0.097 R)
• M3: 1,292,077 km (0.11 R)
• M4: 1,891,515 km (0.075 R)
• M5: 4,022,687 km (0.078 R)
• M6: 4,631,999 km (0.118 R)
• M7: 5,366,524 km (0.116 R)
• M8: 5,807,539 km (0.056 R)
• M9: 8,273,660 km (0.098 R)
• M10: 9,139,682 km (0.091 R)
• M11: 10,131,217 km (0.032 R)
• M12: 11,300,025 km (0.098 R)
• M13: 12,290,811 km (0.096 R)
• M14: 13,458,722 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.1

Radius: 8.1

Gravity: 13.29 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.52 AU - 2.36 AU

Year: 1802 Days

Day: 6.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,060,854 km

• M1: 100,679 km (0.082 R)
• M2: 494,271 km (0.099 R)
• M3: 794,963 km (0.074 R)
• M4: 1,139,188 km (0.097 R)
• M5: 1,475,484 km (0.095 R)
• M6: 2,110,826 km (0.103 R)
• M7: 2,539,274 km (0.034 R)
• M8: 2,796,732 km (0.091 R)
• M9: 5,055,062 km (0.08 R)
• M10: 6,775,886 km (0.078 R)
• M11: 7,218,247 km (0.093 R)
• M12: 8,315,248 km (0.117 R)
• M13: 9,216,575 km (0.111 R)
• M14: 10,039,513 km (0.115 R)
• M15: 10,505,361 km (0.067 R)
• M16: 12,069,407 km (0.118 R)
• M17: 12,555,151 km (0.054 R)
• M18: 13,095,947 km (0.088 R)
• M19: 14,268,645 km (0.107 R)
• M20: 14,766,058 km (0.077 R)
• M21: 15,510,008 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.5

Radius: 8.1

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.7 AU - 2.28 AU

Year: 1872 Days

Day: 12.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,060,854 km

• M1: 100,979 km (0.09 R)
• M2: 378,931 km (0.083 R)
• M3: 843,134 km (0.078 R)
• M4: 1,112,410 km (0.098 R)
• M5: 1,548,637 km (0.029 R)
• M6: 1,802,505 km (0.07 R)
• M7: 2,116,361 km (0.084 R)
• M8: 3,313,742 km (0.059 R)
• M9: 3,966,887 km (0.107 R)
• M10: 4,815,555 km (0.116 R)
• M11: 6,513,940 km (0.062 R)
• M12: 6,891,675 km (0.058 R)
• M13: 7,333,886 km (0.083 R)
• M14: 7,587,604 km (0.105 R)
• M15: 8,220,702 km (0.064 R)
• M16: 8,550,266 km (0.049 R)
• M17: 9,032,121 km (0.1 R)
• M18: 10,619,205 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.9

Radius: 14

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.09 AU - 2.09 AU

Year: 2015 Days

Day: 9.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,060,854 km

• M1: 174,880 km (0.099 R)
• M2: 843,732 km (0.104 R)
• M3: 2,124,739 km (0.113 R)
• M4: 2,623,797 km (0.064 R)
• M5: 3,689,831 km (0.078 R)
• M6: 4,963,957 km (0.114 R)
• M7: 5,441,174 km (0.094 R)
• M8: 6,165,975 km (0.11 R)
• M9: 8,670,693 km (0.099 R)
• M10: 10,064,496 km (0.079 R)
• M11: 10,619,504 km (0.113 R)
• M12: 13,624,626 km (0.055 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.5

Radius: 11.8

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.87 AU - 2.43 AU

Year: 2102 Days

Day: 6.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,060,854 km

• M1: 147,055 km (0.114 R)
• M2: 563,685 km (0.054 R)
• M3: 1,182,422 km (0.052 R)
• M4: 1,620,145 km (0.116 R)
• M5: 2,027,650 km (0.112 R)
• M6: 2,734,499 km (0.087 R)
• M7: 3,208,426 km (0.112 R)
• M8: 3,736,955 km (0.085 R)
• M9: 4,227,636 km (0.037 R)
• M10: 4,864,474 km (0.095 R)
• M11: 6,305,700 km (0.114 R)
• M12: 6,791,743 km (0.088 R)
• M13: 7,330,146 km (0.081 R)
• M14: 8,131,991 km (0.075 R)
• M15: 8,554,156 km (0.062 R)
• M16: 9,022,996 km (0.071 R)
• M17: 9,574,862 km (0.041 R)
• M18: 10,962,682 km (0.032 R)
• M19: 12,719,559 km (0.116 R)
• M20: 13,125,119 km (0.098 R)
• M21: 14,090,773 km (0.035 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 815.7

Radius: 4.5

Gravity: 40.28 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.78 AU - 7.22 AU

Year: 9801 Days

Day: 16.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 72,060,854 km

• M1: 55,950 km (0.064 R)
• M2: 228,286 km (0.111 R)
• M3: 765,642 km (0.068 R)
• M4: 946,207 km (0.034 R)
• M5: 1,202,916 km (0.038 R)
• M6: 1,576,762 km (0.053 R)
• M7: 1,972,448 km (0.09 R)
• M8: 2,551,392 km (0.044 R)
• M9: 3,095,330 km (0.116 R)
• M10: 3,609,049 km (0.1 R)
• M11: 4,120,973 km (0.058 R)
• M12: 4,803,737 km (0.081 R)
• M13: 5,025,740 km (0.084 R)
• M14: 6,815,978 km (0.086 R)
• M15: 7,343,161 km (0.073 R)
• M16: 9,329,073 km (0.064 R)
• M17: 11,760,188 km (0.091 R)
• M18: 12,457,613 km (0.101 R)
• M19: 12,876,936 km (0.098 R)
• M20: 15,387,338 km (0.119 R)
• M21: 16,079,826 km (0.067 R)
• M22: 18,667,720 km (0.108 R)
• M23: 18,823,451 km (0.065 R)
• M24: 22,561,304 km (0.049 R)
• M25: 24,277,939 km (0.118 R)
• M26: 25,405,758 km (0.075 R)
• M27: 25,885,817 km (0.109 R)
• M28: 26,666,568 km (0.111 R)
• M29: 27,866,792 km (0.113 R)
• M30: 28,274,895 km (0.075 R)
• M31: 31,133,411 km (0.066 R)
• M32: 31,352,572 km (0.084 R)
• M33: 31,572,780 km (0.103 R)
• M34: 32,802,026 km (0.037 R)
• M35: 34,178,925 km (0.052 R)
• M36: 37,540,838 km (0.102 R)
• M37: 38,288,977 km (0.094 R)
• M38: 39,429,511 km (0.068 R)
• M39: 47,617,900 km (0.115 R)
• M40: 48,347,339 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 615.5

Radius: 5.3

Gravity: 21.91 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 5.02 AU - 7.2 AU

Year: 10071 Days

Day: 18.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 72,060,854 km

• M1: 66,571 km (0.038 R)
• M2: 232,176 km (0.114 R)
• M3: 442,810 km (0.085 R)
• M4: 740,061 km (0.081 R)
• M5: 1,041,650 km (0.101 R)
• M6: 1,245,253 km (0.071 R)
• M7: 1,841,999 km (0.041 R)
• M8: 2,072,678 km (0.117 R)
• M9: 2,572,335 km (0.084 R)
• M10: 3,058,379 km (0.103 R)
• M11: 3,628,496 km (0.094 R)
• M12: 3,833,445 km (0.051 R)
• M13: 5,008,238 km (0.119 R)
• M14: 6,078,161 km (0.099 R)
• M15: 8,480,703 km (0.039 R)
• M16: 8,751,027 km (0.117 R)
• M17: 11,287,459 km (0.104 R)
• M18: 11,725,332 km (0.086 R)
• M19: 12,576,843 km (0.093 R)
• M20: 13,047,328 km (0.072 R)
• M21: 14,658,048 km (0.067 R)
• M22: 16,816,446 km (0.098 R)
• M23: 18,193,644 km (0.05 R)
• M24: 19,487,965 km (0.098 R)
• M25: 21,751,680 km (0.11 R)
• M26: 22,258,667 km (0.12 R)
• M27: 22,515,078 km (0.096 R)
• M28: 23,120,949 km (0.111 R)
• M29: 25,841,387 km (0.091 R)
• M30: 26,890,068 km (0.079 R)
• M31: 28,265,321 km (0.084 R)
• M32: 29,997,664 km (0.117 R)
• M33: 32,671,726 km (0.077 R)
• M34: 33,672,087 km (0.072 R)
• M35: 34,464,208 km (0.108 R)
• M36: 41,381,613 km (0.094 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 889.4

Radius: 7.7

Gravity: 15 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 7.17 AU - 9.59 AU

Year: 16177 Days

Day: 24.3 Hours

Environment

Temp: -243 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 72,060,854 km

• M1: 97,837 km (0.056 R)
• M2: 407,355 km (0.105 R)
• M3: 791,223 km (0.044 R)
• M4: 1,128,417 km (0.051 R)
• M5: 1,375,253 km (0.093 R)
• M6: 1,761,665 km (0.115 R)
• M7: 2,849,989 km (0.1 R)
• M8: 3,181,199 km (0.104 R)
• M9: 3,537,990 km (0.075 R)
• M10: 3,830,453 km (0.055 R)
• M11: 4,701,562 km (0.075 R)
• M12: 4,947,650 km (0.115 R)
• M13: 5,465,708 km (0.094 R)
• M14: 6,310,038 km (0.093 R)
• M15: 7,567,408 km (0.116 R)
• M16: 8,054,499 km (0.075 R)
• M17: 8,718,863 km (0.085 R)
• M18: 10,273,185 km (0.081 R)
• M19: 12,003,733 km (0.106 R)
• M20: 13,075,602 km (0.11 R)
• M21: 14,577,265 km (0.107 R)
• M22: 15,485,324 km (0.116 R)
• M23: 21,740,161 km (0.069 R)
• M24: 22,624,135 km (0.078 R)
• M25: 25,744,148 km (0.061 R)
• M26: 27,633,719 km (0.044 R)
• M27: 31,437,993 km (0.106 R)
• M28: 35,847,539 km (0.119 R)
• M29: 36,803,919 km (0.1 R)
• M30: 43,208,353 km (0.118 R)
• M31: 47,976,935 km (0.119 R)
• M32: 49,473,063 km (0.113 R)
• M33: 53,791,954 km (0.114 R)
• M34: 54,864,720 km (0.091 R)
• M35: 61,796,786 km (0.113 R)
• M36: 71,415,181 km (0.081 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 18,210 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit