🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.74 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808

Radius: 12.5

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.36 AU - 1.58 AU

Year: 1209 Days

Day: 7.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 89,821,596 km

• M1: 159,172 km (0.092 R)
• M2: 563,685 km (0.108 R)
• M3: 1,182,870 km (0.053 R)
• M4: 1,748,799 km (0.079 R)
• M5: 2,211,954 km (0.064 R)
• M6: 2,705,029 km (0.116 R)
• M7: 3,865,759 km (0.084 R)
• M8: 4,439,616 km (0.119 R)
• M9: 5,480,219 km (0.096 R)
• M10: 6,206,516 km (0.091 R)
• M11: 6,798,475 km (0.1 R)
• M12: 7,350,491 km (0.105 R)
• M13: 8,601,578 km (0.104 R)
• M14: 10,245,809 km (0.104 R)
• M15: 10,972,555 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.9

Radius: 11.4

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.48 AU - 2.24 AU

Year: 1721 Days

Day: 6.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 89,821,596 km

• M1: 142,118 km (0.099 R)
• M2: 540,647 km (0.095 R)
• M3: 1,302,399 km (0.063 R)
• M4: 2,319,964 km (0.066 R)
• M5: 2,677,203 km (0.082 R)
• M6: 3,563,421 km (0.095 R)
• M7: 4,058,889 km (0.048 R)
• M8: 4,688,846 km (0.037 R)
• M9: 5,582,095 km (0.106 R)
• M10: 7,334,036 km (0.104 R)
• M11: 7,906,846 km (0.115 R)
• M12: 8,617,137 km (0.03 R)
• M13: 9,600,743 km (0.099 R)
• M14: 10,347,834 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.3

Radius: 13.2

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.38 AU - 2.82 AU

Year: 2843 Days

Day: 6.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 89,821,596 km

• M1: 165,605 km (0.114 R)
• M2: 1,053,618 km (0.095 R)
• M3: 1,625,381 km (0.029 R)
• M4: 2,062,057 km (0.087 R)
• M5: 2,790,449 km (0.081 R)
• M6: 4,311,261 km (0.115 R)
• M7: 5,323,739 km (0.077 R)
• M8: 6,082,799 km (0.108 R)
• M9: 9,527,739 km (0.092 R)
• M10: 10,809,942 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.5

Radius: 11.8

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.25 AU - 3.47 AU

Year: 3281 Days

Day: 14.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 158.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 89,821,596 km

• M1: 147,055 km (0.109 R)
• M2: 606,619 km (0.099 R)
• M3: 1,513,332 km (0.066 R)
• M4: 1,973,046 km (0.069 R)
• M5: 2,831,738 km (0.051 R)
• M6: 4,045,725 km (0.1 R)
• M7: 5,206,455 km (0.09 R)
• M8: 6,269,048 km (0.081 R)
• M9: 7,946,938 km (0.1 R)
• M10: 8,750,877 km (0.119 R)
• M11: 9,756,474 km (0.092 R)
• M12: 10,133,760 km (0.08 R)
• M13: 10,917,802 km (0.079 R)
• M14: 11,573,789 km (0.094 R)
• M15: 12,169,039 km (0.093 R)
• M16: 13,700,173 km (0.102 R)
• M17: 15,406,636 km (0.111 R)
• M18: 16,023,129 km (0.105 R)
• M19: 16,816,895 km (0.103 R)
• M20: 17,581,041 km (0.111 R)
• M21: 18,197,683 km (0.105 R)
• M22: 20,623,862 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.9

Radius: 13.4

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.51 AU - 3.27 AU

Year: 3332 Days

Day: 12.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 89,821,596 km

• M1: 166,652 km (0.047 R)
• M2: 700,417 km (0.032 R)
• M3: 1,126,322 km (0.067 R)
• M4: 1,648,120 km (0.118 R)
• M5: 2,304,406 km (0.091 R)
• M6: 3,352,638 km (0.091 R)
• M7: 4,207,141 km (0.097 R)
• M8: 5,793,926 km (0.113 R)
• M9: 6,321,258 km (0.101 R)
• M10: 9,562,894 km (0.087 R)
• M11: 10,226,062 km (0.055 R)
• M12: 11,157,608 km (0.111 R)
• M13: 12,835,049 km (0.088 R)
• M14: 13,414,740 km (0.103 R)
• M15: 15,014,241 km (0.036 R)
• M16: 16,114,832 km (0.1 R)
• M17: 16,685,099 km (0.077 R)
• M18: 19,101,404 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.1

Radius: 11.7

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.83 AU - 3.69 AU

Year: 3992 Days

Day: 9 Hours

Environment

Temp: -220 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 89,821,596 km

• M1: 157,078 km (0.064 R)
• M2: 826,079 km (0.066 R)
• M3: 1,299,856 km (0.119 R)
• M4: 1,850,376 km (0.088 R)
• M5: 2,568,895 km (0.091 R)
• M6: 3,856,783 km (0.045 R)
• M7: 4,300,789 km (0.089 R)
• M8: 4,778,904 km (0.037 R)
• M9: 5,507,894 km (0.112 R)
• M10: 6,043,604 km (0.114 R)
• M11: 7,793,451 km (0.061 R)
• M12: 8,288,320 km (0.063 R)
• M13: 8,691,636 km (0.093 R)
• M14: 9,617,647 km (0.113 R)
• M15: 10,608,135 km (0.075 R)
• M16: 11,665,343 km (0.085 R)
• M17: 12,266,726 km (0.119 R)
• M18: 13,084,129 km (0.061 R)
• M19: 15,866,799 km (0.101 R)
• M20: 16,837,240 km (0.113 R)
• M21: 19,532,545 km (0.093 R)
• M22: 20,915,278 km (0.091 R)
• M23: 21,803,291 km (0.098 R)
• M24: 23,218,487 km (0.052 R)
• M25: 23,728,017 km (0.096 R)
• M26: 25,301,338 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 297.4

Radius: 4.6

Gravity: 14.05 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 5.53 AU - 7.41 AU

Year: 11162 Days

Day: 23.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 89,821,596 km

• M1: 57,446 km (0.097 R)
• M2: 205,248 km (0.058 R)
• M3: 408,103 km (0.052 R)
• M4: 623,674 km (0.034 R)
• M5: 1,846,487 km (0.056 R)
• M6: 2,032,586 km (0.105 R)
• M7: 2,824,408 km (0.065 R)
• M8: 3,634,630 km (0.101 R)
• M9: 3,878,026 km (0.119 R)
• M10: 4,236,761 km (0.118 R)
• M11: 4,816,004 km (0.103 R)
• M12: 5,049,975 km (0.05 R)
• M13: 5,415,144 km (0.039 R)
• M14: 6,062,603 km (0.08 R)
• M15: 6,979,638 km (0.045 R)
• M16: 7,471,217 km (0.114 R)
• M17: 7,745,280 km (0.094 R)
• M18: 8,438,816 km (0.1 R)
• M19: 8,909,002 km (0.036 R)
• M20: 9,441,870 km (0.062 R)
• M21: 9,901,733 km (0.055 R)
• M22: 11,422,695 km (0.11 R)
• M23: 11,577,678 km (0.06 R)
• M24: 13,149,054 km (0.099 R)
• M25: 17,653,895 km (0.03 R)
• M26: 18,140,088 km (0.025 R)
• M27: 19,066,697 km (0.115 R)
• M28: 21,402,668 km (0.047 R)
• M29: 22,679,935 km (0.112 R)
• M30: 29,932,290 km (0.106 R)
• M31: 33,072,798 km (0.068 R)
• M32: 34,237,866 km (0.116 R)
• M33: 36,426,034 km (0.078 R)
• M34: 38,821,994 km (0.061 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 615.1

Radius: 6

Gravity: 17.09 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 6.27 AU - 6.99 AU

Year: 11579 Days

Day: 16.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 89,821,596 km

• M1: 74,649 km (0.045 R)
• M2: 646,861 km (0.082 R)
• M3: 1,887,776 km (0.083 R)
• M4: 2,333,428 km (0.07 R)
• M5: 3,901,064 km (0.088 R)
• M6: 6,948,671 km (0.097 R)
• M7: 8,499,702 km (0.078 R)
• M8: 8,920,820 km (0.069 R)
• M9: 10,854,074 km (0.085 R)
• M10: 11,127,688 km (0.03 R)
• M11: 11,976,058 km (0.115 R)
• M12: 12,209,430 km (0.069 R)
• M13: 15,183,585 km (0.076 R)
• M14: 15,733,806 km (0.109 R)
• M15: 18,921,139 km (0.111 R)
• M16: 23,501,227 km (0.082 R)
• M17: 30,145,317 km (0.104 R)
• M18: 33,951,237 km (0.089 R)
• M19: 44,143,788 km (0.038 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 988.7

Radius: 3

Gravity: 109.86 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 7.74 AU - 12.2 AU

Year: 21352 Days

Day: 16.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 89,821,596 km

• M1: 41,439 km (0.117 R)
• M2: 166,802 km (0.085 R)
• M3: 328,367 km (0.057 R)
• M4: 993,330 km (0.066 R)
• M5: 1,143,975 km (0.086 R)
• M6: 1,373,907 km (0.104 R)
• M7: 1,652,009 km (0.1 R)
• M8: 2,249,802 km (0.106 R)
• M9: 2,485,868 km (0.101 R)
• M10: 3,205,583 km (0.1 R)
• M11: 4,261,295 km (0.048 R)
• M12: 4,439,317 km (0.078 R)
• M13: 4,810,020 km (0.118 R)
• M14: 6,408,174 km (0.092 R)
• M15: 7,376,821 km (0.077 R)
• M16: 7,949,182 km (0.114 R)
• M17: 8,663,063 km (0.094 R)
• M18: 11,600,417 km (0.069 R)
• M19: 12,017,496 km (0.079 R)
• M20: 12,881,424 km (0.071 R)
• M21: 14,491,546 km (0.111 R)
• M22: 17,195,378 km (0.111 R)
• M23: 17,737,221 km (0.047 R)
• M24: 20,416,669 km (0.052 R)
• M25: 22,917,945 km (0.079 R)
• M26: 23,906,189 km (0.054 R)
• M27: 27,283,660 km (0.038 R)
• M28: 27,650,174 km (0.055 R)
• M29: 30,178,079 km (0.07 R)
• M30: 32,036,534 km (0.119 R)
• M31: 32,444,487 km (0.111 R)
• M32: 32,993,661 km (0.04 R)
• M33: 33,409,692 km (0.087 R)
• M34: 40,549,550 km (0.112 R)
• M35: 41,026,767 km (0.091 R)
• M36: 41,347,056 km (0.109 R)
• M37: 46,699,818 km (0.036 R)
• M38: 52,684,630 km (0.106 R)
• M39: 56,549,641 km (0.118 R)
• M40: 79,224,788 km (0.098 R)
• M41: 79,970,235 km (0.034 R)
• M42: 83,511,067 km (0.165 R)
• M43: 84,283,141 km (0.09 R)
• M44: 87,683,950 km (0.174 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 318 - 14,450 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit