🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.3

Radius: 9.6

Gravity: 10.51 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.53 AU - 0.69 AU

Year: 335 Days

Day: 9 Hours

Environment

Temp: -151 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,385,126 km

• M1: 119,529 km (0.044 R)
• M2: 477,367 km (0.108 R)
• M3: 786,885 km (0.106 R)
• M4: 1,159,234 km (0.099 R)
• M5: 1,580,352 km (0.04 R)
• M6: 1,939,836 km (0.103 R)
• M7: 2,335,821 km (0.108 R)
• M8: 2,665,385 km (0.119 R)
• M9: 3,586,310 km (0.117 R)
• M10: 3,910,788 km (0.083 R)
• M11: 4,406,405 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.8

Radius: 11.9

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.12 AU - 1.74 AU

Year: 1202 Days

Day: 12.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 54,385,126 km

• M1: 148,251 km (0.066 R)
• M2: 1,113,457 km (0.077 R)
• M3: 2,085,095 km (0.112 R)
• M4: 2,776,836 km (0.068 R)
• M5: 4,237,659 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.2

Radius: 8.4

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.27 AU - 3.67 AU

Year: 4544 Days

Day: 6.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,385,126 km

• M1: 104,569 km (0.107 R)
• M2: 439,818 km (0.107 R)
• M3: 1,361,490 km (0.05 R)
• M4: 2,036,177 km (0.089 R)
• M5: 2,360,206 km (0.098 R)
• M6: 2,929,126 km (0.098 R)
• M7: 3,317,782 km (0.114 R)
• M8: 4,879,135 km (0.04 R)
• M9: 5,317,756 km (0.08 R)
• M10: 6,878,660 km (0.066 R)
• M11: 7,206,429 km (0.077 R)
• M12: 7,846,109 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334

Radius: 12.6

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 3.72 AU - 5.88 AU

Year: 7392 Days

Day: 10.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 76.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,385,126 km

• M1: 156,629 km (0.094 R)
• M2: 837,598 km (0.102 R)
• M3: 1,588,430 km (0.109 R)
• M4: 2,735,247 km (0.118 R)
• M5: 3,466,332 km (0.039 R)
• M6: 4,015,656 km (0.044 R)
• M7: 4,421,963 km (0.1 R)
• M8: 5,124,325 km (0.119 R)
• M9: 5,545,743 km (0.064 R)
• M10: 6,331,879 km (0.09 R)
• M11: 6,751,950 km (0.118 R)
• M12: 8,662,166 km (0.082 R)
• M13: 9,469,096 km (0.085 R)
• M14: 11,186,330 km (0.117 R)
• M15: 12,491,273 km (0.058 R)
• M16: 13,206,650 km (0.098 R)
• M17: 14,330,728 km (0.08 R)
• M18: 16,105,258 km (0.112 R)
• M19: 19,269,552 km (0.084 R)
• M20: 19,880,360 km (0.113 R)
• M21: 22,009,587 km (0.118 R)
• M22: 23,819,272 km (0.081 R)
• M23: 24,365,304 km (0.092 R)
• M24: 26,301,101 km (0.114 R)
• M25: 27,818,771 km (0.071 R)
• M26: 28,774,552 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.8

Radius: 10.3

Gravity: 9.24 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 4.8 AU - 5.36 AU

Year: 8048 Days

Day: 5.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,385,126 km

• M1: 128,505 km (0.074 R)
• M2: 473,776 km (0.082 R)
• M3: 1,015,470 km (0.062 R)
• M4: 2,196,097 km (0.088 R)
• M5: 2,809,149 km (0.039 R)
• M6: 3,364,456 km (0.117 R)
• M7: 4,072,054 km (0.066 R)
• M8: 5,413,498 km (0.071 R)
• M9: 5,782,107 km (0.106 R)
• M10: 6,275,481 km (0.087 R)
• M11: 6,682,836 km (0.111 R)
• M12: 7,387,292 km (0.069 R)
• M13: 10,971,508 km (0.117 R)
• M14: 11,729,071 km (0.056 R)
• M15: 12,348,407 km (0.106 R)
• M16: 13,469,343 km (0.039 R)
• M17: 16,049,159 km (0.118 R)
• M18: 20,031,454 km (0.1 R)
• M19: 25,456,770 km (0.113 R)
• M20: 25,925,161 km (0.083 R)
• M21: 32,440,597 km (0.106 R)
• M22: 39,219,027 km (0.064 R)
• M23: 39,593,320 km (0.106 R)
• M24: 46,326,421 km (0.053 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 611

Radius: 3.2

Gravity: 59.67 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 4.26 AU - 6.68 AU

Year: 8993 Days

Day: 21.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 54,385,126 km

• M1: 49,966 km (0.12 R)
• M2: 150,196 km (0.106 R)
• M3: 277,953 km (0.099 R)
• M4: 409,749 km (0.112 R)
• M5: 582,983 km (0.07 R)
• M6: 1,065,735 km (0.12 R)
• M7: 1,234,482 km (0.082 R)
• M8: 1,369,419 km (0.102 R)
• M9: 1,514,080 km (0.088 R)
• M10: 1,727,855 km (0.098 R)
• M11: 1,849,778 km (0.093 R)
• M12: 2,043,507 km (0.106 R)
• M13: 2,809,149 km (0.115 R)
• M14: 3,153,972 km (0.092 R)
• M15: 3,313,443 km (0.077 R)
• M16: 3,430,728 km (0.069 R)
• M17: 3,574,940 km (0.11 R)
• M18: 4,220,156 km (0.09 R)
• M19: 5,376,099 km (0.086 R)
• M20: 5,804,098 km (0.041 R)
• M21: 6,469,958 km (0.1 R)
• M22: 7,263,425 km (0.089 R)
• M23: 8,035,350 km (0.097 R)
• M24: 13,248,238 km (0.115 R)
• M25: 14,210,003 km (0.109 R)
• M26: 14,770,845 km (0.107 R)
• M27: 15,870,389 km (0.071 R)
• M28: 17,372,801 km (0.028 R)
• M29: 17,584,781 km (0.102 R)
• M30: 18,670,413 km (0.108 R)
• M31: 23,633,322 km (0.066 R)
• M32: 24,774,754 km (0.105 R)
• M33: 33,156,573 km (0.12 R)
• M34: 35,371,070 km (0.1 R)
• M35: 38,275,214 km (0.099 R)
• M36: 42,987,547 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 947.6

Radius: 6.6

Gravity: 21.75 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 4.71 AU - 6.67 AU

Year: 9541 Days

Day: 15.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 54,385,126 km

• M1: 93,199 km (0.089 R)
• M2: 340,485 km (0.104 R)
• M3: 581,487 km (0.107 R)
• M4: 1,065,735 km (0.081 R)
• M5: 1,533,977 km (0.107 R)
• M6: 2,533,590 km (0.118 R)
• M7: 2,851,186 km (0.052 R)
• M8: 3,315,687 km (0.042 R)
• M9: 3,993,515 km (0.042 R)
• M10: 4,605,370 km (0.071 R)
• M11: 5,014,521 km (0.073 R)
• M12: 7,907,145 km (0.047 R)
• M13: 9,255,171 km (0.091 R)
• M14: 10,375,211 km (0.106 R)
• M15: 11,022,820 km (0.072 R)
• M16: 11,412,822 km (0.093 R)
• M17: 11,985,931 km (0.08 R)
• M18: 12,338,982 km (0.106 R)
• M19: 13,502,554 km (0.107 R)
• M20: 14,670,914 km (0.047 R)
• M21: 16,188,434 km (0.088 R)
• M22: 16,619,725 km (0.098 R)
• M23: 18,971,703 km (0.07 R)
• M24: 19,532,096 km (0.069 R)
• M25: 19,938,853 km (0.106 R)
• M26: 22,678,140 km (0.029 R)
• M27: 24,044,417 km (0.084 R)
• M28: 25,755,368 km (0.1 R)
• M29: 27,852,281 km (0.088 R)
• M30: 28,575,736 km (0.062 R)
• M31: 28,784,725 km (0.085 R)
• M32: 30,384,973 km (0.109 R)
• M33: 30,821,500 km (0.098 R)
• M34: 31,372,917 km (0.078 R)
• M35: 35,299,263 km (0.089 R)
• M36: 39,800,663 km (0.062 R)
• M37: 41,248,770 km (0.076 R)
• M38: 41,918,520 km (0.052 R)
• M39: 43,142,231 km (0.09 R)
• M40: 43,693,648 km (0.074 R)
• M41: 45,803,577 km (0.101 R)
• M42: 49,319,127 km (0.067 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 757.7

Radius: 5.9

Gravity: 21.77 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 5.53 AU - 9.09 AU

Year: 13893 Days

Day: 17 Hours

Environment

Temp: -241 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 54,385,126 km

• M1: 88,113 km (0.102 R)
• M2: 350,358 km (0.031 R)
• M3: 1,545,944 km (0.097 R)
• M4: 1,945,670 km (0.095 R)
• M5: 2,349,734 km (0.07 R)
• M6: 3,564,020 km (0.111 R)
• M7: 3,872,640 km (0.103 R)
• M8: 4,108,257 km (0.101 R)
• M9: 4,839,192 km (0.086 R)
• M10: 5,077,950 km (0.119 R)
• M11: 5,918,690 km (0.105 R)
• M12: 7,019,581 km (0.1 R)
• M13: 7,918,664 km (0.068 R)
• M14: 8,107,457 km (0.046 R)
• M15: 9,566,335 km (0.117 R)
• M16: 9,888,718 km (0.075 R)
• M17: 11,015,938 km (0.099 R)
• M18: 12,993,473 km (0.117 R)
• M19: 13,389,009 km (0.112 R)
• M20: 14,204,019 km (0.108 R)
• M21: 14,979,833 km (0.097 R)
• M22: 15,857,823 km (0.059 R)
• M23: 16,615,387 km (0.085 R)
• M24: 19,887,691 km (0.105 R)
• M25: 24,252,508 km (0.099 R)
• M26: 28,436,910 km (0.095 R)
• M27: 33,815,252 km (0.089 R)
• M28: 35,322,002 km (0.109 R)
• M29: 35,577,515 km (0.075 R)
• M30: 35,834,076 km (0.117 R)
• M31: 39,283,952 km (0.076 R)
• M32: 46,681,716 km (0.111 R)
• M33: 50,949,893 km (0.114 R)
• M34: 51,932,452 km (0.088 R)
• M35: 53,429,927 km (0.072 R)
• M36: 55,643,377 km (0.104 R)
• M37: 59,888,964 km (0.057 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 197.6

Radius: 3.2

Gravity: 19.3 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 7.45 AU - 10.05 AU

Year: 18194 Days

Day: 17.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,385,126 km

• M1: 54,603 km (0.071 R)
• M2: 172,038 km (0.113 R)
• M3: 353,201 km (0.099 R)
• M4: 548,875 km (0.04 R)
• M5: 1,300,454 km (0.11 R)
• M6: 1,570,778 km (0.093 R)
• M7: 1,734,587 km (0.076 R)
• M8: 3,484,134 km (0.098 R)
• M9: 3,583,916 km (0.091 R)
• M10: 4,366,014 km (0.09 R)
• M11: 5,094,107 km (0.11 R)
• M12: 5,320,897 km (0.101 R)
• M13: 9,676,439 km (0.072 R)
• M14: 10,024,105 km (0.085 R)
• M15: 11,009,805 km (0.06 R)
• M16: 22,940,385 km (0.106 R)
• M17: 25,852,906 km (0.086 R)
• M18: 28,696,761 km (0.103 R)
• M19: 29,723,751 km (0.093 R)
• M20: 36,049,347 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 259.2

Radius: 3.2

Gravity: 25.31 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 7.57 AU - 10.85 AU

Year: 19647 Days

Day: 18.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 54,385,126 km

• M1: 39,793 km (0.097 R)
• M2: 182,659 km (0.099 R)
• M3: 442,810 km (0.068 R)
• M4: 587,471 km (0.061 R)
• M5: 727,195 km (0.11 R)
• M6: 1,157,738 km (0.105 R)
• M7: 1,434,943 km (0.091 R)
• M8: 1,754,633 km (0.065 R)
• M9: 2,491,702 km (0.064 R)
• M10: 4,152,986 km (0.044 R)
• M11: 4,270,870 km (0.108 R)
• M12: 4,513,069 km (0.071 R)
• M13: 4,796,557 km (0.08 R)
• M14: 5,864,087 km (0.071 R)
• M15: 6,316,770 km (0.09 R)
• M16: 6,631,225 km (0.092 R)
• M17: 6,792,342 km (0.117 R)
• M18: 8,176,421 km (0.098 R)
• M19: 8,837,195 km (0.116 R)
• M20: 10,698,193 km (0.059 R)
• M21: 12,375,185 km (0.097 R)
• M22: 12,619,478 km (0.082 R)
• M23: 14,020,612 km (0.094 R)
• M24: 15,381,503 km (0.051 R)
• M25: 15,522,275 km (0.118 R)
• M26: 15,735,003 km (0.087 R)
• M27: 16,021,633 km (0.04 R)
• M28: 16,311,853 km (0.099 R)
• M29: 18,441,678 km (0.09 R)
• M30: 19,904,445 km (0.084 R)
• M31: 20,835,393 km (0.067 R)
• M32: 24,370,092 km (0.097 R)
• M33: 25,928,752 km (0.091 R)
• M34: 26,328,627 km (0.102 R)
• M35: 28,495,402 km (0.083 R)
• M36: 33,650,695 km (0.059 R)
• M37: 38,093,901 km (0.099 R)
• M38: 39,922,286 km (0.084 R)
• M39: 43,471,496 km (0.067 R)
• M40: 45,611,643 km (0.118 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: 475 - 19,852 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit