🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.82 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.6

Radius: 12.1

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.52 AU - 1.74 AU

Year: 1436 Days

Day: 13.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,029,332 km

• M1: 150,495 km (0.115 R)
• M2: 560,842 km (0.098 R)
• M3: 1,017,116 km (0.077 R)
• M4: 1,633,310 km (0.086 R)
• M5: 2,451,760 km (0.118 R)
• M6: 2,892,774 km (0.086 R)
• M7: 3,280,532 km (0.091 R)
• M8: 3,970,926 km (0.11 R)
• M9: 4,736,568 km (0.111 R)
• M10: 5,134,498 km (0.053 R)
• M11: 6,465,321 km (0.104 R)
• M12: 7,367,396 km (0.118 R)
• M13: 9,175,885 km (0.105 R)
• M14: 9,797,314 km (0.038 R)
• M15: 10,380,596 km (0.111 R)
• M16: 11,124,696 km (0.117 R)
• M17: 11,545,365 km (0.112 R)
• M18: 12,568,465 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.9

Radius: 13.4

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.7 AU - 2.32 AU

Year: 1967 Days

Day: 7.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,029,332 km

• M1: 166,652 km (0.081 R)
• M2: 586,274 km (0.116 R)
• M3: 1,241,214 km (0.098 R)
• M4: 1,704,518 km (0.071 R)
• M5: 2,170,964 km (0.063 R)
• M6: 2,857,020 km (0.117 R)
• M7: 3,352,339 km (0.092 R)
• M8: 3,793,353 km (0.114 R)
• M9: 5,126,420 km (0.082 R)
• M10: 5,838,506 km (0.115 R)
• M11: 6,349,233 km (0.085 R)
• M12: 7,171,273 km (0.076 R)
• M13: 8,313,303 km (0.031 R)
• M14: 8,861,879 km (0.069 R)
• M15: 9,607,774 km (0.092 R)
• M16: 10,067,937 km (0.07 R)
• M17: 12,058,187 km (0.107 R)
• M18: 12,510,720 km (0.107 R)
• M19: 13,581,691 km (0.12 R)
• M20: 15,613,979 km (0.043 R)
• M21: 16,906,055 km (0.118 R)
• M22: 17,473,779 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.2

Radius: 12.7

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.81 AU - 2.99 AU

Year: 2566 Days

Day: 14.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,029,332 km

• M1: 158,275 km (0.113 R)
• M2: 622,477 km (0.111 R)
• M3: 1,182,422 km (0.066 R)
• M4: 2,260,723 km (0.085 R)
• M5: 2,702,037 km (0.075 R)
• M6: 3,217,850 km (0.105 R)
• M7: 3,855,137 km (0.116 R)
• M8: 4,533,115 km (0.114 R)
• M9: 6,311,085 km (0.115 R)
• M10: 7,254,898 km (0.11 R)
• M11: 8,100,725 km (0.093 R)
• M12: 9,045,136 km (0.064 R)
• M13: 9,561,698 km (0.09 R)
• M14: 9,989,099 km (0.045 R)
• M15: 12,827,868 km (0.116 R)
• M16: 13,928,310 km (0.1 R)
• M17: 15,090,835 km (0.091 R)
• M18: 17,661,375 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.1

Radius: 13.8

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.3 AU - 3.54 AU

Year: 3444 Days

Day: 5 Hours

Environment

Temp: -206 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,029,332 km

• M1: 172,038 km (0.114 R)
• M2: 661,223 km (0.081 R)
• M3: 1,237,324 km (0.105 R)
• M4: 1,819,110 km (0.073 R)
• M5: 2,313,830 km (0.097 R)
• M6: 2,827,549 km (0.044 R)
• M7: 3,353,236 km (0.109 R)
• M8: 3,873,238 km (0.117 R)
• M9: 4,389,052 km (0.047 R)
• M10: 5,336,904 km (0.094 R)
• M11: 7,223,932 km (0.103 R)
• M12: 7,666,292 km (0.082 R)
• M13: 8,697,620 km (0.037 R)
• M14: 10,398,249 km (0.117 R)
• M15: 11,071,888 km (0.105 R)
• M16: 12,233,515 km (0.077 R)
• M17: 14,579,360 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.8

Radius: 10.5

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.76 AU - 4.22 AU

Year: 4500 Days

Day: 5.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,029,332 km

• M1: 170,990 km (0.108 R)
• M2: 642,972 km (0.069 R)
• M3: 1,082,640 km (0.026 R)
• M4: 1,422,227 km (0.088 R)
• M5: 1,821,354 km (0.092 R)
• M6: 3,678,911 km (0.118 R)
• M7: 4,115,587 km (0.071 R)
• M8: 4,465,646 km (0.092 R)
• M9: 4,810,320 km (0.055 R)
• M10: 5,609,471 km (0.081 R)
• M11: 7,922,703 km (0.118 R)
• M12: 8,805,331 km (0.061 R)
• M13: 9,231,236 km (0.098 R)
• M14: 9,589,972 km (0.102 R)
• M15: 11,479,542 km (0.072 R)
• M16: 12,129,695 km (0.106 R)
• M17: 13,605,478 km (0.072 R)
• M18: 14,653,710 km (0.076 R)
• M19: 19,389,380 km (0.055 R)
• M20: 19,846,850 km (0.038 R)
• M21: 20,715,565 km (0.04 R)
• M22: 21,609,412 km (0.091 R)
• M23: 22,243,259 km (0.095 R)
• M24: 24,979,703 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 690.4

Radius: 5.8

Gravity: 20.52 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 5.28 AU - 6.2 AU

Year: 9492 Days

Day: 24.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,029,332 km

• M1: 73,901 km (0.07 R)
• M2: 552,315 km (0.079 R)
• M3: 974,331 km (0.034 R)
• M4: 1,202,468 km (0.094 R)
• M5: 2,008,501 km (0.115 R)
• M6: 2,696,352 km (0.092 R)
• M7: 3,083,063 km (0.062 R)
• M8: 3,384,652 km (0.097 R)
• M9: 4,642,321 km (0.042 R)
• M10: 5,935,146 km (0.114 R)
• M11: 6,513,940 km (0.12 R)
• M12: 7,492,310 km (0.06 R)
• M13: 10,852,578 km (0.119 R)
• M14: 11,224,927 km (0.075 R)
• M15: 13,215,625 km (0.07 R)
• M16: 15,033,988 km (0.087 R)
• M17: 16,520,093 km (0.088 R)
• M18: 17,515,367 km (0.083 R)
• M19: 18,700,931 km (0.06 R)
• M20: 19,781,326 km (0.109 R)
• M21: 25,161,315 km (0.095 R)
• M22: 28,836,934 km (0.057 R)
• M23: 35,692,706 km (0.111 R)
• M24: 38,199,218 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 629

Radius: 3.5

Gravity: 51.35 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 7.45 AU - 10.85 AU

Year: 19105 Days

Day: 20 Hours

Environment

Temp: -232 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 72,029,332 km

• M1: 45,927 km (0.067 R)
• M2: 208,390 km (0.101 R)
• M3: 512,373 km (0.09 R)
• M4: 860,038 km (0.094 R)
• M5: 1,232,238 km (0.089 R)
• M6: 1,668,315 km (0.114 R)
• M7: 1,865,336 km (0.108 R)
• M8: 2,057,569 km (0.098 R)
• M9: 3,674,722 km (0.039 R)
• M10: 4,770,676 km (0.11 R)
• M11: 5,279,309 km (0.103 R)
• M12: 5,431,001 km (0.12 R)
• M13: 6,403,537 km (0.065 R)
• M14: 6,796,381 km (0.117 R)
• M15: 6,930,869 km (0.08 R)
• M16: 8,791,268 km (0.111 R)
• M17: 9,058,450 km (0.097 R)
• M18: 10,358,007 km (0.118 R)
• M19: 11,521,130 km (0.052 R)
• M20: 11,841,120 km (0.076 R)
• M21: 12,768,627 km (0.114 R)
• M22: 16,800,439 km (0.104 R)
• M23: 17,461,811 km (0.03 R)
• M24: 18,140,387 km (0.118 R)
• M25: 18,486,108 km (0.075 R)
• M26: 19,101,853 km (0.071 R)
• M27: 23,696,452 km (0.11 R)
• M28: 24,005,970 km (0.069 R)
• M29: 25,919,177 km (0.111 R)
• M30: 27,362,647 km (0.065 R)
• M31: 30,529,933 km (0.069 R)
• M32: 31,637,556 km (0.115 R)
• M33: 33,284,629 km (0.118 R)
• M34: 45,166,140 km (0.071 R)
• M35: 46,280,944 km (0.085 R)
• M36: 54,066,166 km (0.095 R)
• M37: 58,830,260 km (0.068 R)
• M38: 60,542,408 km (0.062 R)
• M39: 62,287,467 km (0.12 R)
• M40: 64,065,737 km (0.041 R)
• M41: 67,104,219 km (0.057 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 549.7

Radius: 6.9

Gravity: 11.55 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 9.31 AU - 9.91 AU

Year: 20563 Days

Day: 23.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 72,029,332 km

• M1: 87,365 km (0.109 R)
• M2: 338,390 km (0.03 R)
• M3: 1,250,937 km (0.078 R)
• M4: 1,733,839 km (0.1 R)
• M5: 2,601,357 km (0.066 R)
• M6: 2,963,683 km (0.08 R)
• M7: 4,419,420 km (0.049 R)
• M8: 4,690,192 km (0.109 R)
• M9: 4,936,131 km (0.067 R)
• M10: 5,190,747 km (0.11 R)
• M11: 6,382,892 km (0.039 R)
• M12: 7,844,912 km (0.106 R)
• M13: 10,857,215 km (0.108 R)
• M14: 14,936,749 km (0.094 R)
• M15: 18,419,836 km (0.071 R)
• M16: 18,681,333 km (0.026 R)
• M17: 20,302,825 km (0.047 R)
• M18: 20,675,473 km (0.101 R)
• M19: 22,607,529 km (0.11 R)
• M20: 23,514,990 km (0.1 R)
• M21: 24,029,457 km (0.074 R)
• M22: 24,868,402 km (0.113 R)
• M23: 29,595,096 km (0.096 R)
• M24: 35,154,153 km (0.105 R)
• M25: 36,234,549 km (0.12 R)
• M26: 38,037,054 km (0.081 R)
• M27: 39,032,029 km (0.11 R)
• M28: 39,898,500 km (0.104 R)
• M29: 40,777,687 km (0.116 R)
• M30: 45,052,446 km (0.113 R)
• M31: 49,784,975 km (0.068 R)
• M32: 52,707,668 km (0.103 R)
• M33: 53,943,646 km (0.026 R)
• M34: 54,658,574 km (0.098 R)
• M35: 56,290,238 km (0.116 R)
• M36: 56,657,202 km (0.039 R)
• M37: 57,954,066 km (0.105 R)
• M38: 58,515,955 km (0.103 R)
• M39: 59,081,285 km (0.068 R)
• M40: 62,747,480 km (0.109 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 221 - 12,137 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit