🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.8

Radius: 10.3

Gravity: 9.15 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.61 AU - 1.93 AU

Year: 1497 Days

Day: 9.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,955,860 km

• M1: 128,056 km (0.091 R)
• M2: 526,435 km (0.074 R)
• M3: 872,156 km (0.085 R)
• M4: 1,203,964 km (0.073 R)
• M5: 1,593,367 km (0.119 R)
• M6: 2,055,325 km (0.061 R)
• M7: 2,472,254 km (0.066 R)
• M8: 3,511,361 km (0.113 R)
• M9: 3,874,136 km (0.108 R)
• M10: 4,945,257 km (0.119 R)
• M11: 5,515,823 km (0.113 R)
• M12: 5,984,064 km (0.055 R)
• M13: 7,053,988 km (0.077 R)
• M14: 7,578,179 km (0.11 R)
• M15: 9,082,087 km (0.096 R)
• M16: 9,405,368 km (0.119 R)
• M17: 10,386,431 km (0.061 R)
• M18: 12,591,204 km (0.113 R)
• M19: 14,426,620 km (0.108 R)
• M20: 15,181,342 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.3

Radius: 8.4

Gravity: 10.93 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.71 AU - 2.41 AU

Year: 1880 Days

Day: 13.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,955,860 km

• M1: 104,419 km (0.113 R)
• M2: 570,417 km (0.089 R)
• M3: 1,208,751 km (0.081 R)
• M4: 1,470,697 km (0.085 R)
• M5: 1,847,085 km (0.053 R)
• M6: 2,236,039 km (0.074 R)
• M7: 2,525,212 km (0.096 R)
• M8: 2,809,747 km (0.092 R)
• M9: 3,795,148 km (0.052 R)
• M10: 4,549,271 km (0.117 R)
• M11: 5,924,076 km (0.12 R)
• M12: 6,224,169 km (0.09 R)
• M13: 6,666,680 km (0.053 R)
• M14: 7,791,057 km (0.076 R)
• M15: 8,212,923 km (0.078 R)
• M16: 9,776,221 km (0.114 R)
• M17: 10,374,762 km (0.115 R)
• M18: 10,997,388 km (0.058 R)
• M19: 13,352,807 km (0.073 R)
• M20: 16,170,034 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.8

Radius: 14.2

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.15 AU - 2.31 AU

Year: 2117 Days

Day: 5.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,955,860 km

• M1: 177,273 km (0.104 R)
• M2: 645,066 km (0.116 R)
• M3: 1,261,858 km (0.048 R)
• M4: 1,757,775 km (0.064 R)
• M5: 2,875,570 km (0.115 R)
• M6: 5,277,962 km (0.117 R)
• M7: 5,845,088 km (0.119 R)
• M8: 6,923,240 km (0.092 R)
• M9: 9,254,872 km (0.079 R)
• M10: 10,115,509 km (0.113 R)
• M11: 10,684,130 km (0.09 R)
• M12: 11,703,789 km (0.103 R)
• M13: 12,595,842 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.8

Radius: 13.6

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.14 AU - 2.98 AU

Year: 2604 Days

Day: 5 Hours

Environment

Temp: -207 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,955,860 km

• M1: 169,345 km (0.107 R)
• M2: 596,447 km (0.05 R)
• M3: 1,209,499 km (0.105 R)
• M4: 1,668,764 km (0.083 R)
• M5: 2,877,515 km (0.11 R)
• M6: 3,304,467 km (0.092 R)
• M7: 4,247,084 km (0.071 R)
• M8: 4,894,394 km (0.111 R)
• M9: 5,532,428 km (0.116 R)
• M10: 6,524,412 km (0.089 R)
• M11: 7,180,399 km (0.109 R)
• M12: 8,524,835 km (0.087 R)
• M13: 9,100,487 km (0.078 R)
• M14: 10,031,136 km (0.081 R)
• M15: 12,335,392 km (0.065 R)
• M16: 13,839,897 km (0.086 R)
• M17: 14,493,640 km (0.095 R)
• M18: 15,513,000 km (0.05 R)
• M19: 16,167,640 km (0.119 R)
• M20: 16,840,681 km (0.026 R)
• M21: 17,317,450 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.3

Radius: 9.5

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.12 AU - 3.04 AU

Year: 2635 Days

Day: 6 Hours

Environment

Temp: -202 °C

Axial Tilt: 133.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,955,860 km

• M1: 118,332 km (0.096 R)
• M2: 426,952 km (0.072 R)
• M3: 953,537 km (0.105 R)
• M4: 1,535,323 km (0.078 R)
• M5: 2,036,326 km (0.103 R)
• M6: 2,547,951 km (0.08 R)
• M7: 3,190,324 km (0.075 R)
• M8: 3,516,448 km (0.067 R)
• M9: 3,973,619 km (0.048 R)
• M10: 4,733,576 km (0.045 R)
• M11: 9,642,480 km (0.109 R)
• M12: 10,188,513 km (0.04 R)
• M13: 11,758,692 km (0.028 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.5

Radius: 13.2

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.63 AU - 2.89 AU

Year: 2915 Days

Day: 10.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,955,860 km

• M1: 164,109 km (0.072 R)
• M2: 820,096 km (0.098 R)
• M3: 1,310,328 km (0.088 R)
• M4: 1,781,112 km (0.1 R)
• M5: 2,961,140 km (0.05 R)
• M6: 4,121,870 km (0.094 R)
• M7: 4,989,239 km (0.115 R)
• M8: 9,460,121 km (0.028 R)
• M9: 10,448,214 km (0.084 R)
• M10: 11,797,288 km (0.073 R)
• M11: 12,552,458 km (0.056 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.8

Radius: 9.2

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.24 AU - 4.86 AU

Year: 5182 Days

Day: 7.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 85.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,955,860 km

• M1: 137,331 km (0.099 R)
• M2: 471,682 km (0.078 R)
• M3: 1,505,403 km (0.107 R)
• M4: 1,931,608 km (0.081 R)
• M5: 3,411,729 km (0.066 R)
• M6: 4,065,023 km (0.047 R)
• M7: 4,477,165 km (0.104 R)
• M8: 5,684,869 km (0.087 R)
• M9: 6,482,674 km (0.091 R)
• M10: 7,071,641 km (0.118 R)
• M11: 7,615,878 km (0.047 R)
• M12: 9,114,101 km (0.051 R)
• M13: 9,417,485 km (0.052 R)
• M14: 11,592,040 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 460.2

Radius: 6.3

Gravity: 11.59 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 7.18 AU - 7.42 AU

Year: 12541 Days

Day: 19.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 51,955,860 km

• M1: 79,736 km (0.03 R)
• M2: 281,693 km (0.106 R)
• M3: 1,420,881 km (0.067 R)
• M4: 2,333,577 km (0.115 R)
• M5: 2,567,399 km (0.111 R)
• M6: 3,819,982 km (0.12 R)
• M7: 4,118,130 km (0.089 R)
• M8: 5,435,190 km (0.04 R)
• M9: 6,025,952 km (0.072 R)
• M10: 6,582,007 km (0.096 R)
• M11: 7,131,480 km (0.075 R)
• M12: 7,925,246 km (0.085 R)
• M13: 8,730,233 km (0.076 R)
• M14: 9,248,290 km (0.053 R)
• M15: 10,501,621 km (0.033 R)
• M16: 11,807,610 km (0.117 R)
• M17: 12,324,172 km (0.105 R)
• M18: 13,775,271 km (0.039 R)
• M19: 14,869,729 km (0.041 R)
• M20: 15,951,621 km (0.076 R)
• M21: 16,160,160 km (0.086 R)
• M22: 19,909,831 km (0.118 R)
• M23: 24,384,603 km (0.103 R)
• M24: 24,847,309 km (0.047 R)
• M25: 26,756,776 km (0.106 R)
• M26: 31,624,541 km (0.083 R)
• M27: 32,508,066 km (0.085 R)
• M28: 32,955,813 km (0.104 R)
• M29: 33,863,722 km (0.081 R)
• M30: 37,785,879 km (0.095 R)
• M31: 39,410,661 km (0.095 R)
• M32: 39,664,679 km (0.084 R)
• M33: 45,255,001 km (0.102 R)
• M34: 47,372,260 km (0.073 R)
• M35: 48,092,424 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 691.5

Radius: 6.2

Gravity: 17.99 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 7.53 AU - 7.91 AU

Year: 13638 Days

Day: 19 Hours

Environment

Temp: -230 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 51,955,860 km

• M1: 79,287 km (0.116 R)
• M2: 318,943 km (0.072 R)
• M3: 883,375 km (0.083 R)
• M4: 1,305,241 km (0.083 R)
• M5: 1,888,075 km (0.114 R)
• M6: 2,218,836 km (0.116 R)
• M7: 2,502,174 km (0.053 R)
• M8: 2,786,859 km (0.091 R)
• M9: 4,058,740 km (0.073 R)
• M10: 4,739,859 km (0.108 R)
• M11: 7,819,331 km (0.035 R)
• M12: 10,956,698 km (0.111 R)
• M13: 12,643,114 km (0.095 R)
• M14: 15,056,128 km (0.12 R)
• M15: 15,631,332 km (0.088 R)
• M16: 23,335,772 km (0.117 R)
• M17: 26,001,905 km (0.079 R)
• M18: 28,102,858 km (0.105 R)
• M19: 30,655,895 km (0.112 R)
• M20: 33,480,452 km (0.078 R)
• M21: 34,090,064 km (0.09 R)
• M22: 34,459,271 km (0.111 R)
• M23: 53,644,450 km (0.062 R)
• M24: 55,661,329 km (0.102 R)
• M25: 58,428,590 km (0.074 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 287.3

Radius: 4.2

Gravity: 16.29 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 7.59 AU - 10.59 AU

Year: 17425 Days

Day: 19.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 51,955,860 km

• M1: 56,099 km (0.098 R)
• M2: 257,009 km (0.114 R)
• M3: 391,647 km (0.085 R)
• M4: 553,811 km (0.116 R)
• M5: 1,040,154 km (0.119 R)
• M6: 1,384,678 km (0.115 R)
• M7: 1,674,599 km (0.095 R)
• M8: 3,374,030 km (0.107 R)
• M9: 3,815,793 km (0.082 R)
• M10: 5,071,517 km (0.109 R)
• M11: 7,350,342 km (0.063 R)
• M12: 7,648,939 km (0.096 R)
• M13: 10,127,028 km (0.102 R)
• M14: 13,216,822 km (0.082 R)
• M15: 14,306,194 km (0.088 R)
• M16: 15,732,909 km (0.089 R)
• M17: 16,157,318 km (0.086 R)
• M18: 16,444,546 km (0.079 R)
• M19: 17,627,267 km (0.104 R)
• M20: 24,400,161 km (0.068 R)
• M21: 26,726,707 km (0.094 R)
• M22: 28,880,168 km (0.091 R)
• M23: 29,730,034 km (0.115 R)
• M24: 33,296,746 km (0.077 R)
• M25: 34,467,200 km (0.054 R)
• M26: 38,651,751 km (0.061 R)
• M27: 41,532,558 km (0.091 R)
• M28: 41,801,235 km (0.077 R)
• M29: 44,976,001 km (0.083 R)
• M30: 48,456,246 km (0.071 R)
• M31: 50,414,333 km (0.114 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 197 - 15,718 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit