🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.5

Radius: 9.5

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.42 AU - 1.44 AU

Year: 1122 Days

Day: 8 Hours

Environment

Temp: -177 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,868,934 km

• M1: 118,182 km (0.081 R)
• M2: 610,958 km (0.037 R)
• M3: 1,065,436 km (0.037 R)
• M4: 1,422,077 km (0.073 R)
• M5: 2,210,608 km (0.066 R)
• M6: 2,575,627 km (0.103 R)
• M7: 2,934,961 km (0.069 R)
• M8: 3,701,650 km (0.095 R)
• M9: 4,190,386 km (0.074 R)
• M10: 5,111,310 km (0.04 R)
• M11: 6,972,009 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.4

Radius: 12.4

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.36 AU - 2.24 AU

Year: 1584 Days

Day: 9 Hours

Environment

Temp: -180 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,868,934 km

• M1: 154,235 km (0.079 R)
• M2: 554,859 km (0.119 R)
• M3: 971,339 km (0.072 R)
• M4: 1,862,194 km (0.065 R)
• M5: 2,315,925 km (0.103 R)
• M6: 3,497,748 km (0.086 R)
• M7: 3,970,926 km (0.12 R)
• M8: 4,468,040 km (0.04 R)
• M9: 5,087,225 km (0.1 R)
• M10: 5,806,941 km (0.042 R)
• M11: 6,641,996 km (0.108 R)
• M12: 7,987,629 km (0.092 R)
• M13: 12,137,174 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.3

Radius: 8.1

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 3.45 AU - 5.47 AU

Year: 6179 Days

Day: 7.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,868,934 km

• M1: 101,577 km (0.091 R)
• M2: 546,182 km (0.044 R)
• M3: 1,040,154 km (0.114 R)
• M4: 3,512,109 km (0.047 R)
• M5: 4,112,745 km (0.067 R)
• M6: 4,508,581 km (0.064 R)
• M7: 5,237,721 km (0.086 R)
• M8: 8,374,489 km (0.089 R)
• M9: 8,926,505 km (0.066 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 796.4

Radius: 6.5

Gravity: 18.85 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 5.21 AU - 7.65 AU

Year: 10696 Days

Day: 18.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 42,868,934 km

• M1: 84,972 km (0.053 R)
• M2: 334,950 km (0.109 R)
• M3: 568,322 km (0.038 R)
• M4: 781,499 km (0.111 R)
• M5: 1,391,260 km (0.101 R)
• M6: 2,149,572 km (0.106 R)
• M7: 2,878,712 km (0.066 R)
• M8: 4,121,272 km (0.092 R)
• M9: 4,687,799 km (0.083 R)
• M10: 6,273,088 km (0.078 R)
• M11: 7,961,299 km (0.12 R)
• M12: 8,648,103 km (0.118 R)
• M13: 11,279,979 km (0.1 R)
• M14: 12,685,750 km (0.087 R)
• M15: 14,803,906 km (0.115 R)
• M16: 15,007,359 km (0.115 R)
• M17: 16,268,170 km (0.097 R)
• M18: 19,158,850 km (0.088 R)
• M19: 20,809,812 km (0.082 R)
• M20: 21,669,700 km (0.12 R)
• M21: 23,003,814 km (0.039 R)
• M22: 23,552,539 km (0.057 R)
• M23: 23,923,093 km (0.113 R)
• M24: 30,067,526 km (0.079 R)
• M25: 33,558,842 km (0.075 R)
• M26: 34,028,130 km (0.091 R)
• M27: 38,707,252 km (0.116 R)
• M28: 39,093,963 km (0.106 R)
• M29: 41,199,852 km (0.051 R)
• M30: 42,965,855 km (0.114 R)
• M31: 46,212,577 km (0.089 R)
• M32: 50,228,383 km (0.071 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 789.1

Radius: 4.6

Gravity: 37.29 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 6.93 AU - 9.11 AU

Year: 14899 Days

Day: 15.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 42,868,934 km

• M1: 57,595 km (0.104 R)
• M2: 256,860 km (0.099 R)
• M3: 439,219 km (0.107 R)
• M4: 1,155,943 km (0.097 R)
• M5: 1,317,808 km (0.095 R)
• M6: 1,494,932 km (0.103 R)
• M7: 2,432,162 km (0.106 R)
• M8: 3,321,073 km (0.083 R)
• M9: 3,538,588 km (0.088 R)
• M10: 4,032,411 km (0.107 R)
• M11: 4,670,745 km (0.06 R)
• M12: 4,944,060 km (0.072 R)
• M13: 5,227,997 km (0.078 R)
• M14: 6,185,573 km (0.102 R)
• M15: 9,319,050 km (0.082 R)
• M16: 11,313,788 km (0.112 R)
• M17: 11,682,098 km (0.107 R)
• M18: 12,058,486 km (0.118 R)
• M19: 12,378,177 km (0.118 R)
• M20: 13,576,156 km (0.119 R)
• M21: 13,992,188 km (0.117 R)
• M22: 15,590,192 km (0.057 R)
• M23: 17,305,930 km (0.115 R)
• M24: 19,057,273 km (0.096 R)
• M25: 21,292,265 km (0.097 R)
• M26: 23,596,371 km (0.117 R)
• M27: 26,061,445 km (0.067 R)
• M28: 29,492,472 km (0.083 R)
• M29: 30,897,645 km (0.085 R)
• M30: 35,771,992 km (0.11 R)
• M31: 36,564,712 km (0.118 R)
• M32: 40,847,399 km (0.078 R)
• M33: 40,990,864 km (0.115 R)
• M34: 41,858,681 km (0.085 R)
• M35: 42,150,696 km (0.094 R)
• M36: 46,538,402 km (0.086 R)
• M37: 55,150,452 km (0.039 R)
• M38: 60,014,178 km (0.117 R)
• M39: 65,351,979 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 846.1

Radius: 7.4

Gravity: 15.45 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 8.53 AU - 11.83 AU

Year: 21307 Days

Day: 24.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 42,868,934 km

• M1: 93,050 km (0.115 R)
• M2: 622,028 km (0.106 R)
• M3: 1,389,615 km (0.08 R)
• M4: 1,841,999 km (0.111 R)
• M5: 2,411,817 km (0.04 R)
• M6: 5,334,660 km (0.057 R)
• M7: 7,045,910 km (0.109 R)
• M8: 8,052,255 km (0.099 R)
• M9: 8,923,962 km (0.086 R)
• M10: 10,535,131 km (0.09 R)
• M11: 12,122,215 km (0.083 R)
• M12: 13,118,387 km (0.111 R)
• M13: 14,792,387 km (0.117 R)
• M14: 15,928,882 km (0.084 R)
• M15: 16,433,476 km (0.056 R)
• M16: 17,297,852 km (0.106 R)
• M17: 18,650,815 km (0.119 R)
• M18: 20,073,042 km (0.057 R)
• M19: 21,976,376 km (0.087 R)
• M20: 22,287,540 km (0.083 R)
• M21: 24,995,859 km (0.1 R)
• M22: 31,186,219 km (0.101 R)
• M23: 31,447,866 km (0.098 R)
• M24: 33,457,265 km (0.1 R)
• M25: 34,843,438 km (0.071 R)
• M26: 38,927,909 km (0.1 R)
• M27: 45,635,878 km (0.09 R)
• M28: 47,685,069 km (0.096 R)
• M29: 49,794,848 km (0.083 R)
• M30: 50,691,986 km (0.1 R)
• M31: 55,339,843 km (0.096 R)
• M32: 56,496,234 km (0.113 R)
• M33: 59,457,375 km (0.073 R)
• M34: 62,106,005 km (0.077 R)
• M35: 67,856,248 km (0.102 R)
• M36: 70,297,386 km (0.117 R)
• M37: 72,796,418 km (0.109 R)
• M38: 78,937,261 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 94

Radius: 7.4

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 8.15 AU - 13.17 AU

Year: 22832 Days

Day: 20 Hours

Environment

Temp: -239 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,868,934 km

• M1: 92,152 km (0.116 R)
• M2: 394,789 km (0.108 R)
• M3: 2,495,292 km (0.11 R)
• M4: 2,891,876 km (0.115 R)
• M5: 4,121,421 km (0.077 R)
• M6: 6,496,587 km (0.032 R)
• M7: 7,326,107 km (0.095 R)
• M8: 14,144,628 km (0.089 R)
• M9: 14,452,351 km (0.105 R)
• M10: 15,859,618 km (0.081 R)
• M11: 16,393,383 km (0.041 R)
• M12: 16,938,967 km (0.074 R)
• M13: 18,066,486 km (0.091 R)
• M14: 19,318,321 km (0.091 R)
• M15: 29,944,557 km (0.087 R)
• M16: 37,233,115 km (0.119 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 269 - 15,893 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit