🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.99 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.6

Radius: 9.5

Gravity: 8.88 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.68 AU - 2.28 AU

Year: 1890 Days

Day: 7.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,308,660 km

• M1: 118,332 km (0.115 R)
• M2: 595,998 km (0.116 R)
• M3: 1,031,477 km (0.106 R)
• M4: 1,496,428 km (0.065 R)
• M5: 1,921,884 km (0.038 R)
• M6: 2,219,883 km (0.045 R)
• M7: 2,718,642 km (0.106 R)
• M8: 3,128,690 km (0.069 R)
• M9: 3,632,236 km (0.064 R)
• M10: 3,997,405 km (0.109 R)
• M11: 4,549,720 km (0.112 R)
• M12: 5,197,329 km (0.118 R)
• M13: 5,496,525 km (0.08 R)
• M14: 6,333,974 km (0.095 R)
• M15: 7,225,876 km (0.112 R)
• M16: 7,628,594 km (0.099 R)
• M17: 8,479,207 km (0.118 R)
• M18: 9,871,963 km (0.109 R)
• M19: 10,189,111 km (0.111 R)
• M20: 10,733,049 km (0.092 R)
• M21: 11,372,879 km (0.103 R)
• M22: 12,769,824 km (0.088 R)
• M23: 13,316,754 km (0.092 R)
• M24: 15,331,538 km (0.104 R)
• M25: 15,662,149 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.7

Radius: 11.3

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.8 AU - 2.64 AU

Year: 2243 Days

Day: 13 Hours

Environment

Temp: -199 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,308,660 km

• M1: 140,472 km (0.058 R)
• M2: 794,514 km (0.119 R)
• M3: 1,764,357 km (0.059 R)
• M4: 2,321,310 km (0.08 R)
• M5: 2,706,973 km (0.096 R)
• M6: 3,504,031 km (0.098 R)
• M7: 3,957,911 km (0.097 R)
• M8: 4,680,768 km (0.087 R)
• M9: 5,828,333 km (0.118 R)
• M10: 6,494,792 km (0.114 R)
• M11: 6,985,473 km (0.041 R)
• M12: 7,589,100 km (0.074 R)
• M13: 8,447,642 km (0.082 R)
• M14: 8,900,774 km (0.105 R)
• M15: 10,140,641 km (0.066 R)
• M16: 10,578,514 km (0.097 R)
• M17: 12,008,819 km (0.107 R)
• M18: 13,088,318 km (0.105 R)
• M19: 13,961,969 km (0.074 R)
• M20: 14,458,784 km (0.105 R)
• M21: 15,631,781 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.2

Radius: 12.8

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 3.35 AU - 3.65 AU

Year: 4441 Days

Day: 11.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,308,660 km

• M1: 166,951 km (0.117 R)
• M2: 613,650 km (0.077 R)
• M3: 1,064,838 km (0.097 R)
• M4: 1,592,320 km (0.085 R)
• M5: 2,118,306 km (0.093 R)
• M6: 3,175,065 km (0.028 R)
• M7: 4,919,077 km (0.038 R)
• M8: 5,370,564 km (0.076 R)
• M9: 7,817,386 km (0.063 R)
• M10: 9,627,969 km (0.055 R)
• M11: 13,488,193 km (0.103 R)
• M12: 15,258,085 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.7

Radius: 11.7

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.6 AU - 4.14 AU

Year: 5164 Days

Day: 7.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,308,660 km

• M1: 145,559 km (0.088 R)
• M2: 742,903 km (0.085 R)
• M3: 1,215,184 km (0.073 R)
• M4: 1,865,635 km (0.089 R)
• M5: 2,516,984 km (0.079 R)
• M6: 2,896,813 km (0.081 R)
• M7: 4,450,985 km (0.063 R)
• M8: 4,989,538 km (0.09 R)
• M9: 6,048,840 km (0.108 R)
• M10: 6,897,060 km (0.115 R)
• M11: 10,445,971 km (0.111 R)
• M12: 14,924,482 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.6

Radius: 13.3

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 3.11 AU - 5.18 AU

Year: 5713 Days

Day: 5.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 55,308,660 km

• M1: 165,455 km (0.071 R)
• M2: 689,796 km (0.066 R)
• M3: 1,105,827 km (0.114 R)
• M4: 1,779,317 km (0.052 R)
• M5: 2,480,781 km (0.118 R)
• M6: 4,257,855 km (0.108 R)
• M7: 4,735,820 km (0.097 R)
• M8: 5,279,159 km (0.104 R)
• M9: 6,982,481 km (0.045 R)
• M10: 8,359,978 km (0.116 R)
• M11: 9,506,795 km (0.081 R)
• M12: 10,234,439 km (0.075 R)
• M13: 11,495,699 km (0.064 R)
• M14: 12,111,743 km (0.028 R)
• M15: 14,858,809 km (0.091 R)
• M16: 15,839,423 km (0.074 R)
• M17: 16,928,196 km (0.089 R)
• M18: 17,793,919 km (0.099 R)
• M19: 20,568,810 km (0.094 R)
• M20: 25,126,309 km (0.096 R)
• M21: 25,989,937 km (0.108 R)
• M22: 26,873,313 km (0.064 R)
• M23: 27,685,330 km (0.056 R)
• M24: 29,548,422 km (0.065 R)
• M25: 31,097,957 km (0.118 R)
• M26: 32,295,188 km (0.064 R)
• M27: 34,148,407 km (0.086 R)
• M28: 34,994,383 km (0.076 R)
• M29: 36,728,372 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 979.7

Radius: 5.5

Gravity: 32.39 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 4.81 AU - 7.09 AU

Year: 9844 Days

Day: 17 Hours

Environment

Temp: -221 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 55,308,660 km

• M1: 68,366 km (0.027 R)
• M2: 428,747 km (0.114 R)
• M3: 692,638 km (0.088 R)
• M4: 1,142,479 km (0.095 R)
• M5: 3,258,840 km (0.036 R)
• M6: 3,561,776 km (0.038 R)
• M7: 4,050,961 km (0.096 R)
• M8: 4,583,978 km (0.063 R)
• M9: 4,867,466 km (0.105 R)
• M10: 7,486,775 km (0.119 R)
• M11: 7,747,674 km (0.032 R)
• M12: 9,045,585 km (0.076 R)
• M13: 10,863,797 km (0.112 R)
• M14: 11,482,085 km (0.071 R)
• M15: 13,605,777 km (0.034 R)
• M16: 14,591,178 km (0.106 R)
• M17: 14,929,867 km (0.101 R)
• M18: 15,135,714 km (0.112 R)
• M19: 15,693,714 km (0.036 R)
• M20: 15,906,442 km (0.115 R)
• M21: 16,629,449 km (0.075 R)
• M22: 18,532,783 km (0.098 R)
• M23: 22,856,460 km (0.059 R)
• M24: 27,704,030 km (0.11 R)
• M25: 28,433,020 km (0.088 R)
• M26: 31,141,340 km (0.09 R)
• M27: 34,135,242 km (0.079 R)
• M28: 35,457,687 km (0.114 R)
• M29: 41,089,598 km (0.071 R)
• M30: 42,447,797 km (0.067 R)
• M31: 45,253,505 km (0.069 R)
• M32: 47,733,539 km (0.031 R)
• M33: 51,543,049 km (0.062 R)
• M34: 52,170,761 km (0.082 R)
• M35: 52,644,987 km (0.034 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 426.2

Radius: 4.6

Gravity: 20.14 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 5.57 AU - 7.17 AU

Year: 10904 Days

Day: 24.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 55,308,660 km

• M1: 57,595 km (0.111 R)
• M2: 463,903 km (0.12 R)
• M3: 1,007,542 km (0.06 R)
• M4: 1,261,559 km (0.116 R)
• M5: 2,027,051 km (0.087 R)
• M6: 3,499,393 km (0.089 R)
• M7: 4,354,345 km (0.119 R)
• M8: 4,523,540 km (0.073 R)
• M9: 4,875,245 km (0.107 R)
• M10: 5,436,686 km (0.114 R)
• M11: 5,632,958 km (0.112 R)
• M12: 6,005,307 km (0.099 R)
• M13: 6,612,824 km (0.098 R)
• M14: 7,104,403 km (0.065 R)
• M15: 7,824,567 km (0.105 R)
• M16: 8,075,143 km (0.086 R)
• M17: 8,769,427 km (0.101 R)
• M18: 9,223,008 km (0.101 R)
• M19: 10,934,557 km (0.109 R)
• M20: 11,142,648 km (0.074 R)
• M21: 12,504,288 km (0.049 R)
• M22: 14,033,926 km (0.094 R)
• M23: 15,487,419 km (0.08 R)
• M24: 17,601,237 km (0.106 R)
• M25: 18,176,440 km (0.066 R)
• M26: 24,545,121 km (0.092 R)
• M27: 26,086,428 km (0.119 R)
• M28: 26,551,827 km (0.078 R)
• M29: 27,307,895 km (0.085 R)
• M30: 31,409,120 km (0.111 R)
• M31: 33,770,223 km (0.109 R)
• M32: 34,994,084 km (0.062 R)
• M33: 35,219,677 km (0.084 R)
• M34: 35,787,999 km (0.116 R)
• M35: 38,481,359 km (0.052 R)
• M36: 40,308,847 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 435.3

Radius: 3.6

Gravity: 33.59 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 6.06 AU - 7.94 AU

Year: 12561 Days

Day: 15.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 55,308,660 km

• M1: 45,179 km (0.119 R)
• M2: 176,226 km (0.101 R)
• M3: 548,276 km (0.09 R)
• M4: 946,955 km (0.1 R)
• M5: 1,238,072 km (0.082 R)
• M6: 1,431,652 km (0.063 R)
• M7: 1,600,697 km (0.084 R)
• M8: 2,030,193 km (0.08 R)
• M9: 2,592,681 km (0.113 R)
• M10: 3,882,364 km (0.039 R)
• M11: 4,649,651 km (0.074 R)
• M12: 5,929,012 km (0.073 R)
• M13: 6,862,354 km (0.051 R)
• M14: 6,980,536 km (0.077 R)
• M15: 7,100,214 km (0.064 R)
• M16: 7,467,178 km (0.092 R)
• M17: 8,462,303 km (0.094 R)
• M18: 9,445,161 km (0.086 R)
• M19: 11,085,651 km (0.119 R)
• M20: 12,550,813 km (0.079 R)
• M21: 13,026,534 km (0.077 R)
• M22: 14,396,252 km (0.073 R)
• M23: 14,525,355 km (0.062 R)
• M24: 17,860,639 km (0.102 R)
• M25: 20,755,059 km (0.089 R)
• M26: 21,168,697 km (0.054 R)
• M27: 22,878,302 km (0.095 R)
• M28: 23,054,079 km (0.089 R)
• M29: 24,493,659 km (0.092 R)
• M30: 30,003,050 km (0.077 R)
• M31: 32,597,376 km (0.114 R)
• M32: 33,156,124 km (0.06 R)
• M33: 34,177,728 km (0.083 R)
• M34: 36,642,802 km (0.086 R)
• M35: 37,246,728 km (0.097 R)
• M36: 39,223,814 km (0.052 R)
• M37: 44,197,494 km (0.04 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 181.6

Radius: 3.1

Gravity: 18.9 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 8.54 AU - 13.06 AU

Year: 24073 Days

Day: 19.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,308,660 km

• M1: 200,162 km (0.116 R)
• M2: 668,104 km (0.103 R)
• M3: 965,804 km (0.092 R)
• M4: 1,832,724 km (0.046 R)
• M5: 2,511,299 km (0.039 R)
• M6: 3,291,901 km (0.102 R)
• M7: 3,419,059 km (0.063 R)
• M8: 3,932,030 km (0.063 R)
• M9: 4,192,181 km (0.073 R)
• M10: 7,544,071 km (0.064 R)
• M11: 7,899,964 km (0.119 R)
• M12: 11,389,933 km (0.06 R)
• M13: 11,505,722 km (0.078 R)
• M14: 13,020,699 km (0.108 R)
• M15: 17,188,197 km (0.087 R)
• M16: 24,205,085 km (0.038 R)
• M17: 31,641,296 km (0.091 R)
• M18: 35,562,555 km (0.026 R)
• M19: 52,058,264 km (0.06 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: 287 - 14,895 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit