🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283

Radius: 12.1

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.99 AU - 1.37 AU

Year: 885 Days

Day: 13.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,003,611 km

• M1: 150,495 km (0.089 R)
• M2: 737,518 km (0.117 R)
• M3: 1,395,150 km (0.109 R)
• M4: 1,844,392 km (0.037 R)
• M5: 2,729,264 km (0.119 R)
• M6: 3,305,664 km (0.093 R)
• M7: 3,810,407 km (0.074 R)
• M8: 4,292,113 km (0.12 R)
• M9: 5,091,264 km (0.039 R)
• M10: 5,500,415 km (0.069 R)
• M11: 6,346,540 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.5

Radius: 9.1

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.01 AU - 1.43 AU

Year: 930 Days

Day: 13 Hours

Environment

Temp: -181 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,003,611 km

• M1: 113,694 km (0.081 R)
• M2: 439,967 km (0.114 R)
• M3: 847,622 km (0.107 R)
• M4: 1,245,103 km (0.11 R)
• M5: 1,712,896 km (0.094 R)
• M6: 2,303,508 km (0.117 R)
• M7: 2,958,747 km (0.078 R)
• M8: 3,670,085 km (0.06 R)
• M9: 4,725,498 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.9

Radius: 10.4

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.39 AU - 3.01 AU

Year: 3062 Days

Day: 5.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,003,611 km

• M1: 129,402 km (0.113 R)
• M2: 466,596 km (0.045 R)
• M3: 1,000,361 km (0.101 R)
• M4: 1,334,862 km (0.113 R)
• M5: 1,867,580 km (0.063 R)
• M6: 2,356,615 km (0.036 R)
• M7: 4,046,174 km (0.083 R)
• M8: 4,490,928 km (0.08 R)
• M9: 5,270,333 km (0.098 R)
• M10: 6,516,034 km (0.044 R)
• M11: 7,880,367 km (0.118 R)
• M12: 10,090,227 km (0.074 R)
• M13: 11,037,630 km (0.03 R)
• M14: 11,642,753 km (0.111 R)
• M15: 14,643,088 km (0.106 R)
• M16: 17,771,030 km (0.034 R)
• M17: 19,273,741 km (0.11 R)
• M18: 20,024,423 km (0.056 R)
• M19: 22,325,388 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.5

Radius: 9.5

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.95 AU - 2.97 AU

Year: 3515 Days

Day: 14 Hours

Environment

Temp: -202 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,003,611 km

• M1: 118,781 km (0.071 R)
• M2: 663,766 km (0.109 R)
• M3: 1,548,338 km (0.118 R)
• M4: 2,443,681 km (0.115 R)
• M5: 3,375,227 km (0.11 R)
• M6: 4,354,495 km (0.111 R)
• M7: 6,691,662 km (0.037 R)
• M8: 7,099,915 km (0.078 R)
• M9: 9,041,546 km (0.106 R)
• M10: 9,983,863 km (0.11 R)
• M11: 10,286,649 km (0.118 R)
• M12: 12,105,759 km (0.083 R)
• M13: 13,204,256 km (0.082 R)
• M14: 13,801,002 km (0.07 R)
• M15: 15,547,856 km (0.084 R)
• M16: 17,220,211 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.3

Radius: 11.1

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 4.06 AU - 6.38 AU

Year: 8232 Days

Day: 10 Hours

Environment

Temp: -216 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,003,611 km

• M1: 138,228 km (0.078 R)
• M2: 598,990 km (0.055 R)
• M3: 986,000 km (0.045 R)
• M4: 1,393,205 km (0.1 R)
• M5: 1,991,447 km (0.106 R)
• M6: 2,656,709 km (0.108 R)
• M7: 3,630,142 km (0.094 R)
• M8: 4,028,970 km (0.051 R)
• M9: 4,856,246 km (0.069 R)
• M10: 6,269,946 km (0.03 R)
• M11: 6,809,545 km (0.037 R)
• M12: 8,703,754 km (0.119 R)
• M13: 10,573,578 km (0.082 R)
• M14: 10,977,492 km (0.112 R)
• M15: 11,978,152 km (0.082 R)
• M16: 14,964,873 km (0.088 R)
• M17: 20,287,117 km (0.115 R)
• M18: 22,612,915 km (0.098 R)
• M19: 24,056,086 km (0.079 R)
• M20: 31,576,071 km (0.079 R)
• M21: 39,794,380 km (0.079 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 334.3

Radius: 6.5

Gravity: 7.91 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 5.36 AU - 6.76 AU

Year: 10297 Days

Day: 18.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,003,611 km

• M1: 81,531 km (0.034 R)
• M2: 392,694 km (0.076 R)
• M3: 896,989 km (0.097 R)
• M4: 1,576,911 km (0.065 R)
• M5: 2,221,379 km (0.113 R)
• M6: 3,374,330 km (0.11 R)
• M7: 3,843,169 km (0.071 R)
• M8: 4,738,513 km (0.096 R)
• M9: 5,295,615 km (0.099 R)
• M10: 6,365,988 km (0.067 R)
• M11: 7,534,796 km (0.028 R)
• M12: 8,883,271 km (0.12 R)
• M13: 9,774,725 km (0.096 R)
• M14: 12,423,804 km (0.099 R)
• M15: 14,058,759 km (0.115 R)
• M16: 15,266,612 km (0.109 R)
• M17: 20,113,434 km (0.032 R)
• M18: 25,630,902 km (0.054 R)
• M19: 34,162,319 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 815.6

Radius: 4.2

Gravity: 46.24 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 4.95 AU - 7.43 AU

Year: 10630 Days

Day: 15.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 34,003,611 km

• M1: 52,509 km (0.068 R)
• M2: 210,035 km (0.117 R)
• M3: 555,906 km (0.106 R)
• M4: 747,092 km (0.11 R)
• M5: 981,362 km (0.075 R)
• M6: 1,127,818 km (0.095 R)
• M7: 1,315,115 km (0.116 R)
• M8: 2,075,521 km (0.104 R)
• M9: 2,338,215 km (0.073 R)
• M10: 2,839,966 km (0.107 R)
• M11: 3,285,618 km (0.094 R)
• M12: 3,538,139 km (0.116 R)
• M13: 4,053,354 km (0.119 R)
• M14: 4,617,189 km (0.113 R)
• M15: 4,773,818 km (0.101 R)
• M16: 4,966,500 km (0.116 R)
• M17: 5,862,142 km (0.071 R)
• M18: 6,982,630 km (0.104 R)
• M19: 7,878,123 km (0.062 R)
• M20: 8,376,434 km (0.067 R)
• M21: 8,895,688 km (0.06 R)
• M22: 11,700,947 km (0.078 R)
• M23: 12,110,546 km (0.111 R)
• M24: 12,712,378 km (0.117 R)
• M25: 13,207,996 km (0.07 R)
• M26: 14,171,855 km (0.066 R)
• M27: 15,044,310 km (0.073 R)
• M28: 19,701,740 km (0.115 R)
• M29: 21,561,242 km (0.081 R)
• M30: 29,306,821 km (0.12 R)
• M31: 30,498,518 km (0.065 R)
• M32: 32,517,640 km (0.102 R)
• M33: 33,794,458 km (0.104 R)
• M34: 37,698,215 km (0.114 R)
• M35: 38,719,070 km (0.041 R)
• M36: 41,756,506 km (0.12 R)
• M37: 43,820,807 km (0.11 R)
• M38: 47,558,061 km (0.074 R)
• M39: 48,599,411 km (0.025 R)
• M40: 50,113,192 km (0.064 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 506.9

Radius: 6.4

Gravity: 12.38 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 6.6 AU - 7.4 AU

Year: 12784 Days

Day: 19.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 34,003,611 km

• M1: 79,736 km (0.12 R)
• M2: 304,432 km (0.111 R)
• M3: 820,245 km (0.069 R)
• M4: 1,375,253 km (0.072 R)
• M5: 3,012,004 km (0.118 R)
• M6: 3,269,910 km (0.073 R)
• M7: 3,645,401 km (0.058 R)
• M8: 3,938,762 km (0.107 R)
• M9: 4,276,554 km (0.084 R)
• M10: 8,153,084 km (0.032 R)
• M11: 9,275,966 km (0.11 R)
• M12: 11,259,185 km (0.1 R)
• M13: 13,634,799 km (0.117 R)
• M14: 17,344,676 km (0.08 R)
• M15: 18,406,223 km (0.119 R)
• M16: 18,952,853 km (0.118 R)
• M17: 19,833,536 km (0.063 R)
• M18: 21,762,900 km (0.047 R)
• M19: 23,722,183 km (0.106 R)
• M20: 24,090,643 km (0.116 R)
• M21: 25,796,058 km (0.102 R)
• M22: 27,987,817 km (0.062 R)
• M23: 29,128,949 km (0.084 R)
• M24: 32,851,692 km (0.093 R)
• M25: 34,708,501 km (0.039 R)
• M26: 36,146,137 km (0.118 R)
• M27: 36,389,682 km (0.088 R)
• M28: 38,376,491 km (0.047 R)
• M29: 41,092,590 km (0.108 R)
• M30: 43,382,934 km (0.112 R)
• M31: 45,615,233 km (0.106 R)
• M32: 46,328,217 km (0.044 R)
• M33: 50,458,614 km (0.078 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 73.3

Radius: 4.2

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 8.5 AU - 9.26 AU

Year: 18265 Days

Day: 15.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,003,611 km

• M1: 53,406 km (0.07 R)
• M2: 207,492 km (0.104 R)
• M3: 509,979 km (0.1 R)
• M4: 691,292 km (0.088 R)
• M5: 3,229,220 km (0.088 R)
• M6: 8,622,821 km (0.053 R)
• M7: 9,636,646 km (0.098 R)
• M8: 10,217,834 km (0.055 R)
• M9: 11,449,772 km (0.047 R)
• M10: 17,305,332 km (0.035 R)
• M11: 18,162,229 km (0.117 R)
• M12: 23,585,750 km (0.066 R)
• M13: 24,474,212 km (0.108 R)
• M14: 32,796,042 km (0.112 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 17,357 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit