🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.6

Radius: 8.5

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.14 AU - 1.42 AU

Year: 1000 Days

Day: 5.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,118,875 km

• M1: 106,214 km (0.081 R)
• M2: 375,042 km (0.097 R)
• M3: 724,951 km (0.104 R)
• M4: 1,000,810 km (0.078 R)
• M5: 1,405,322 km (0.12 R)
• M6: 1,675,197 km (0.113 R)
• M7: 2,891,727 km (0.117 R)
• M8: 3,334,237 km (0.056 R)
• M9: 4,467,441 km (0.056 R)
• M10: 5,007,041 km (0.039 R)
• M11: 6,196,194 km (0.082 R)
• M12: 6,911,272 km (0.113 R)
• M13: 7,425,290 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.3

Radius: 15

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.39 AU - 3.97 AU

Year: 3914 Days

Day: 8.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,118,875 km

• M1: 192,383 km (0.078 R)
• M2: 662,120 km (0.101 R)
• M3: 2,179,192 km (0.034 R)
• M4: 3,049,104 km (0.11 R)
• M5: 3,704,043 km (0.08 R)
• M6: 4,834,405 km (0.11 R)
• M7: 5,318,952 km (0.112 R)
• M8: 6,184,376 km (0.078 R)
• M9: 6,923,689 km (0.089 R)
• M10: 7,592,840 km (0.034 R)
• M11: 8,524,236 km (0.082 R)
• M12: 10,550,839 km (0.037 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.6

Radius: 14.7

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 3.07 AU - 4.95 AU

Year: 5543 Days

Day: 5.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,118,875 km

• M1: 182,809 km (0.07 R)
• M2: 987,944 km (0.112 R)
• M3: 1,709,904 km (0.062 R)
• M4: 2,357,064 km (0.095 R)
• M5: 2,861,508 km (0.106 R)
• M6: 5,078,549 km (0.103 R)
• M7: 7,827,110 km (0.071 R)
• M8: 8,530,370 km (0.113 R)
• M9: 10,550,091 km (0.108 R)
• M10: 14,036,918 km (0.038 R)
• M11: 14,740,477 km (0.046 R)
• M12: 18,785,005 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.3

Radius: 9.5

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 4.85 AU - 5.13 AU

Year: 7694 Days

Day: 13.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 50,118,875 km

• M1: 118,631 km (0.107 R)
• M2: 504,145 km (0.116 R)
• M3: 954,734 km (0.111 R)
• M4: 1,334,413 km (0.117 R)
• M5: 1,731,595 km (0.086 R)
• M6: 2,111,574 km (0.065 R)
• M7: 2,458,791 km (0.078 R)
• M8: 2,844,005 km (0.069 R)
• M9: 3,164,444 km (0.076 R)
• M10: 4,198,015 km (0.1 R)
• M11: 5,088,721 km (0.081 R)
• M12: 8,116,133 km (0.087 R)
• M13: 10,121,642 km (0.082 R)
• M14: 10,777,779 km (0.109 R)
• M15: 11,165,387 km (0.114 R)
• M16: 11,462,189 km (0.115 R)
• M17: 12,020,039 km (0.115 R)
• M18: 16,444,396 km (0.101 R)
• M19: 18,704,072 km (0.054 R)
• M20: 21,163,012 km (0.062 R)
• M21: 22,313,570 km (0.108 R)
• M22: 23,023,561 km (0.087 R)
• M23: 23,505,117 km (0.089 R)
• M24: 25,670,396 km (0.028 R)
• M25: 28,329,947 km (0.108 R)
• M26: 30,297,608 km (0.114 R)
• M27: 31,856,567 km (0.111 R)
• M28: 33,366,159 km (0.101 R)
• M29: 33,983,101 km (0.117 R)
• M30: 35,452,152 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 701.7

Radius: 7.8

Gravity: 11.53 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 5.6 AU - 6.7 AU

Year: 10527 Days

Day: 19.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,118,875 km

• M1: 96,939 km (0.113 R)
• M2: 428,598 km (0.051 R)
• M3: 1,157,738 km (0.116 R)
• M4: 2,686,927 km (0.084 R)
• M5: 4,986,546 km (0.07 R)
• M6: 5,825,939 km (0.095 R)
• M7: 6,113,467 km (0.102 R)
• M8: 6,678,348 km (0.095 R)
• M9: 7,401,504 km (0.07 R)
• M10: 7,868,549 km (0.108 R)
• M11: 9,194,285 km (0.047 R)
• M12: 10,769,401 km (0.06 R)
• M13: 13,364,625 km (0.092 R)
• M14: 16,208,331 km (0.088 R)
• M15: 18,492,690 km (0.056 R)
• M16: 20,320,477 km (0.101 R)
• M17: 21,660,724 km (0.111 R)
• M18: 28,736,255 km (0.049 R)
• M19: 34,107,118 km (0.096 R)
• M20: 35,636,756 km (0.092 R)
• M21: 39,724,069 km (0.087 R)
• M22: 44,113,570 km (0.079 R)
• M23: 50,003,836 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 136.9

Radius: 6.8

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 6 AU - 8.3 AU

Year: 13197 Days

Day: 23.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,118,875 km

• M1: 84,672 km (0.1 R)
• M2: 297,550 km (0.114 R)
• M3: 585,227 km (0.107 R)
• M4: 799,451 km (0.11 R)
• M5: 1,086,529 km (0.072 R)
• M6: 1,576,612 km (0.056 R)
• M7: 2,173,059 km (0.068 R)
• M8: 4,163,758 km (0.042 R)
• M9: 4,415,980 km (0.087 R)
• M10: 4,651,746 km (0.067 R)
• M11: 4,979,216 km (0.041 R)
• M12: 5,292,773 km (0.078 R)
• M13: 6,992,055 km (0.045 R)
• M14: 9,579,051 km (0.05 R)
• M15: 11,919,809 km (0.078 R)
• M16: 14,216,585 km (0.094 R)
• M17: 15,260,180 km (0.098 R)
• M18: 16,856,389 km (0.08 R)
• M19: 20,018,738 km (0.097 R)
• M20: 20,593,792 km (0.058 R)
• M21: 22,461,671 km (0.05 R)
• M22: 25,345,619 km (0.1 R)
• M23: 30,213,983 km (0.11 R)
• M24: 33,515,757 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 457.6

Radius: 5.3

Gravity: 16.29 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 7.64 AU - 8.12 AU

Year: 15269 Days

Day: 15 Hours

Environment

Temp: -224 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 50,118,875 km

• M1: 66,122 km (0.095 R)
• M2: 503,247 km (0.039 R)
• M3: 842,685 km (0.071 R)
• M4: 1,640,490 km (0.094 R)
• M5: 2,115,164 km (0.106 R)
• M6: 2,854,178 km (0.074 R)
• M7: 3,862,767 km (0.115 R)
• M8: 4,478,063 km (0.104 R)
• M9: 5,293,221 km (0.069 R)
• M10: 6,796,680 km (0.088 R)
• M11: 7,601,816 km (0.073 R)
• M12: 8,421,612 km (0.1 R)
• M13: 9,759,466 km (0.065 R)
• M14: 11,062,463 km (0.08 R)
• M15: 11,992,962 km (0.087 R)
• M16: 13,744,903 km (0.113 R)
• M17: 15,165,783 km (0.106 R)
• M18: 15,376,567 km (0.041 R)
• M19: 16,312,152 km (0.082 R)
• M20: 17,747,095 km (0.094 R)
• M21: 18,535,176 km (0.116 R)
• M22: 20,865,612 km (0.106 R)
• M23: 23,290,892 km (0.116 R)
• M24: 23,477,591 km (0.096 R)
• M25: 26,705,913 km (0.052 R)
• M26: 27,739,784 km (0.104 R)
• M27: 30,107,469 km (0.102 R)
• M28: 30,329,173 km (0.075 R)
• M29: 34,751,436 km (0.096 R)
• M30: 35,117,801 km (0.087 R)
• M31: 36,735,403 km (0.109 R)
• M32: 41,885,010 km (0.063 R)
• M33: 44,129,876 km (0.11 R)
• M34: 46,898,184 km (0.094 R)
• M35: 49,010,656 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 226.2

Radius: 5.4

Gravity: 7.76 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 8.03 AU - 9.95 AU

Year: 18606 Days

Day: 22.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,118,875 km

• M1: 101,278 km (0.108 R)
• M2: 432,637 km (0.075 R)
• M3: 716,723 km (0.073 R)
• M4: 1,529,638 km (0.115 R)
• M5: 2,194,750 km (0.091 R)
• M6: 4,187,095 km (0.061 R)
• M7: 9,782,354 km (0.064 R)
• M8: 11,823,617 km (0.039 R)
• M9: 13,876,100 km (0.083 R)
• M10: 14,261,464 km (0.104 R)
• M11: 17,382,525 km (0.077 R)
• M12: 34,175,933 km (0.095 R)
• M13: 34,878,444 km (0.119 R)
• M14: 35,590,530 km (0.067 R)
• M15: 39,938,293 km (0.069 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 409 - 18,888 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit