🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.9

Radius: 13.2

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.44 AU - 0.64 AU

Year: 269 Days

Day: 6.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,457,770 km

• M1: 164,109 km (0.053 R)
• M2: 603,179 km (0.042 R)
• M3: 1,270,086 km (0.074 R)
• M4: 1,745,807 km (0.067 R)
• M5: 2,184,279 km (0.105 R)
• M6: 2,621,254 km (0.077 R)
• M7: 3,202,741 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.4

Radius: 9

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.72 AU - 1 AU

Year: 541 Days

Day: 14.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,457,770 km

• M1: 112,198 km (0.077 R)
• M2: 559,047 km (0.105 R)
• M3: 872,305 km (0.078 R)
• M4: 1,230,442 km (0.056 R)
• M5: 1,921,585 km (0.1 R)
• M6: 2,333,577 km (0.111 R)
• M7: 3,520,487 km (0.07 R)
• M8: 3,874,884 km (0.118 R)
• M9: 4,290,766 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.3

Radius: 11.1

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.73 AU - 1.05 AU

Year: 569 Days

Day: 13.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,457,770 km

• M1: 138,827 km (0.073 R)
• M2: 509,680 km (0.109 R)
• M3: 1,104,631 km (0.101 R)
• M4: 1,701,975 km (0.12 R)
• M5: 2,105,889 km (0.045 R)
• M6: 2,467,168 km (0.081 R)
• M7: 3,099,369 km (0.114 R)
• M8: 3,448,381 km (0.104 R)
• M9: 4,143,562 km (0.064 R)
• M10: 4,539,697 km (0.048 R)
• M11: 4,914,589 km (0.068 R)
• M12: 5,541,105 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.5

Radius: 12.1

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.82 AU - 1.02 AU

Year: 599 Days

Day: 11.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 130 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,457,770 km

• M1: 150,495 km (0.075 R)
• M2: 633,846 km (0.086 R)
• M3: 1,056,311 km (0.095 R)
• M4: 1,571,077 km (0.101 R)
• M5: 2,020,618 km (0.12 R)
• M6: 2,436,501 km (0.117 R)
• M7: 3,024,271 km (0.096 R)
• M8: 3,421,154 km (0.084 R)
• M9: 3,941,156 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.5

Radius: 12.1

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.08 AU - 1.64 AU

Year: 1076 Days

Day: 12.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,457,770 km

• M1: 150,495 km (0.069 R)
• M2: 541,095 km (0.115 R)
• M3: 1,098,796 km (0.09 R)
• M4: 1,527,245 km (0.079 R)
• M5: 2,000,124 km (0.074 R)
• M6: 2,536,282 km (0.055 R)
• M7: 3,302,523 km (0.117 R)
• M8: 5,180,873 km (0.074 R)
• M9: 5,949,059 km (0.072 R)
• M10: 7,253,702 km (0.091 R)
• M11: 8,396,779 km (0.114 R)
• M12: 8,821,487 km (0.061 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 643.9

Radius: 5

Gravity: 25.76 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 5.06 AU - 8.16 AU

Year: 11526 Days

Day: 23.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 66,457,770 km

• M1: 62,382 km (0.082 R)
• M2: 222,602 km (0.109 R)
• M3: 399,277 km (0.053 R)
• M4: 567,425 km (0.119 R)
• M5: 766,091 km (0.07 R)
• M6: 1,169,855 km (0.095 R)
• M7: 1,426,565 km (0.103 R)
• M8: 1,673,551 km (0.083 R)
• M9: 2,368,733 km (0.103 R)
• M10: 2,589,838 km (0.034 R)
• M11: 3,720,499 km (0.065 R)
• M12: 4,574,852 km (0.105 R)
• M13: 5,728,402 km (0.081 R)
• M14: 6,391,419 km (0.108 R)
• M15: 8,180,460 km (0.107 R)
• M16: 8,593,201 km (0.061 R)
• M17: 9,559,902 km (0.084 R)
• M18: 11,087,297 km (0.068 R)
• M19: 15,988,721 km (0.118 R)
• M20: 16,706,043 km (0.045 R)
• M21: 16,925,353 km (0.099 R)
• M22: 18,828,388 km (0.089 R)
• M23: 19,225,421 km (0.088 R)
• M24: 20,366,703 km (0.081 R)
• M25: 22,074,512 km (0.1 R)
• M26: 24,434,269 km (0.117 R)
• M27: 25,001,843 km (0.115 R)
• M28: 31,168,716 km (0.101 R)
• M29: 36,407,783 km (0.081 R)
• M30: 37,521,540 km (0.093 R)
• M31: 40,999,092 km (0.095 R)
• M32: 41,665,700 km (0.093 R)
• M33: 43,986,711 km (0.055 R)
• M34: 47,847,533 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 677

Radius: 7.4

Gravity: 12.36 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 5.98 AU - 7.32 AU

Year: 11631 Days

Day: 23.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,457,770 km

• M1: 135,835 km (0.066 R)
• M2: 653,294 km (0.045 R)
• M3: 986,897 km (0.085 R)
• M4: 1,473,090 km (0.118 R)
• M5: 1,851,872 km (0.041 R)
• M6: 3,267,367 km (0.095 R)
• M7: 4,674,933 km (0.07 R)
• M8: 5,741,417 km (0.116 R)
• M9: 6,105,837 km (0.076 R)
• M10: 6,800,570 km (0.084 R)
• M11: 7,851,345 km (0.068 R)
• M12: 8,814,606 km (0.086 R)
• M13: 10,061,205 km (0.112 R)
• M14: 16,887,206 km (0.05 R)
• M15: 18,641,839 km (0.097 R)
• M16: 21,194,129 km (0.068 R)
• M17: 23,323,654 km (0.059 R)
• M18: 23,784,565 km (0.11 R)
• M19: 27,590,784 km (0.117 R)
• M20: 29,156,775 km (0.107 R)
• M21: 34,804,244 km (0.11 R)
• M22: 47,905,577 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 700.5

Radius: 7.8

Gravity: 11.51 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 5.46 AU - 8.94 AU

Year: 13104 Days

Day: 22.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 66,457,770 km

• M1: 97,089 km (0.092 R)
• M2: 380,577 km (0.116 R)
• M3: 662,719 km (0.08 R)
• M4: 1,065,586 km (0.094 R)
• M5: 1,935,946 km (0.111 R)
• M6: 2,679,747 km (0.098 R)
• M7: 3,021,279 km (0.071 R)
• M8: 3,547,863 km (0.117 R)
• M9: 4,497,510 km (0.086 R)
• M10: 6,052,580 km (0.054 R)
• M11: 8,028,469 km (0.092 R)
• M12: 8,450,784 km (0.085 R)
• M13: 8,937,276 km (0.035 R)
• M14: 13,394,993 km (0.052 R)
• M15: 13,723,061 km (0.088 R)
• M16: 16,097,928 km (0.042 R)
• M17: 22,462,868 km (0.027 R)
• M18: 25,439,268 km (0.052 R)
• M19: 25,740,558 km (0.044 R)
• M20: 27,387,780 km (0.066 R)
• M21: 33,706,644 km (0.07 R)
• M22: 35,927,275 km (0.084 R)
• M23: 37,850,954 km (0.109 R)
• M24: 40,658,008 km (0.07 R)
• M25: 42,182,411 km (0.104 R)
• M26: 42,604,576 km (0.067 R)
• M27: 43,029,733 km (0.1 R)
• M28: 44,321,960 km (0.062 R)
• M29: 44,612,479 km (0.114 R)
• M30: 45,787,869 km (0.12 R)
• M31: 49,281,578 km (0.093 R)
• M32: 56,965,672 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 431.7

Radius: 8

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 8.77 AU - 9.53 AU

Year: 18773 Days

Day: 18.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 66,457,770 km

• M1: 99,483 km (0.12 R)
• M2: 406,308 km (0.067 R)
• M3: 829,819 km (0.061 R)
• M4: 1,110,615 km (0.077 R)
• M5: 1,397,992 km (0.109 R)
• M6: 1,836,463 km (0.034 R)
• M7: 2,425,879 km (0.109 R)
• M8: 3,012,602 km (0.085 R)
• M9: 3,831,800 km (0.048 R)
• M10: 4,659,674 km (0.109 R)
• M11: 5,029,181 km (0.114 R)
• M12: 5,454,638 km (0.118 R)
• M13: 8,777,954 km (0.106 R)
• M14: 10,487,708 km (0.079 R)
• M15: 11,907,841 km (0.098 R)
• M16: 14,132,960 km (0.113 R)
• M17: 15,343,356 km (0.099 R)
• M18: 17,089,014 km (0.1 R)
• M19: 19,819,025 km (0.054 R)
• M20: 22,447,011 km (0.09 R)
• M21: 23,992,207 km (0.078 R)
• M22: 24,389,240 km (0.06 R)
• M23: 25,606,817 km (0.113 R)
• M24: 26,126,071 km (0.071 R)
• M25: 27,400,496 km (0.106 R)
• M26: 30,188,102 km (0.114 R)
• M27: 36,581,018 km (0.052 R)
• M28: 38,580,244 km (0.108 R)
• M29: 41,785,378 km (0.056 R)
• M30: 45,013,102 km (0.098 R)
• M31: 56,209,006 km (0.096 R)
• M32: 57,438,850 km (0.086 R)
• M33: 58,866,313 km (0.108 R)
• M34: 60,683,778 km (0.08 R)
• M35: 61,051,639 km (0.086 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 438.9

Radius: 5.6

Gravity: 14 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 8.06 AU - 11.28 AU

Year: 20395 Days

Day: 23.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 66,457,770 km

• M1: 70,311 km (0.09 R)
• M2: 450,439 km (0.06 R)
• M3: 747,989 km (0.095 R)
• M4: 1,157,588 km (0.117 R)
• M5: 2,306,799 km (0.071 R)
• M6: 3,378,219 km (0.095 R)
• M7: 4,286,727 km (0.065 R)
• M8: 4,883,622 km (0.112 R)
• M9: 6,038,967 km (0.081 R)
• M10: 8,980,061 km (0.106 R)
• M11: 10,009,294 km (0.115 R)
• M12: 10,350,078 km (0.117 R)
• M13: 14,053,972 km (0.025 R)
• M14: 15,361,906 km (0.052 R)
• M15: 15,891,782 km (0.116 R)
• M16: 17,554,562 km (0.051 R)
• M17: 17,801,249 km (0.112 R)
• M18: 26,537,765 km (0.104 R)
• M19: 27,631,325 km (0.106 R)
• M20: 28,414,620 km (0.06 R)
• M21: 34,315,956 km (0.064 R)
• M22: 36,540,178 km (0.089 R)
• M23: 37,755,810 km (0.079 R)
• M24: 40,124,991 km (0.028 R)
• M25: 41,273,454 km (0.091 R)
• M26: 43,485,558 km (0.045 R)
• M27: 49,604,709 km (0.113 R)
• M28: 51,596,904 km (0.075 R)
• M29: 62,362,565 km (0.081 R)
• M30: 64,877,156 km (0.045 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 256 - 13,100 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit