🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248

Radius: 10.4

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.63 AU - 0.85 AU

Year: 418 Days

Day: 5.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,319,172 km

• M1: 129,402 km (0.116 R)
• M2: 468,541 km (0.072 R)
• M3: 1,024,446 km (0.055 R)
• M4: 1,359,695 km (0.068 R)
• M5: 1,863,840 km (0.029 R)
• M6: 2,515,339 km (0.118 R)
• M7: 2,984,627 km (0.119 R)
• M8: 3,501,039 km (0.081 R)
• M9: 4,040,788 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.3

Radius: 13.1

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.14 AU - 1.8 AU

Year: 1169 Days

Day: 6.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,319,172 km

• M1: 163,062 km (0.093 R)
• M2: 647,908 km (0.097 R)
• M3: 1,510,639 km (0.113 R)
• M4: 2,160,492 km (0.096 R)
• M5: 3,248,518 km (0.077 R)
• M6: 4,129,200 km (0.07 R)
• M7: 4,560,940 km (0.117 R)
• M8: 5,163,371 km (0.067 R)
• M9: 5,665,870 km (0.051 R)
• M10: 6,386,632 km (0.097 R)
• M11: 11,114,673 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.9

Radius: 12.7

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.35 AU - 2.19 AU

Year: 1545 Days

Day: 5.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,319,172 km

• M1: 158,723 km (0.058 R)
• M2: 584,928 km (0.041 R)
• M3: 991,983 km (0.111 R)
• M4: 1,408,913 km (0.101 R)
• M5: 1,957,039 km (0.057 R)
• M6: 2,369,780 km (0.118 R)
• M7: 2,770,253 km (0.116 R)
• M8: 3,375,676 km (0.036 R)
• M9: 4,049,465 km (0.063 R)
• M10: 4,688,248 km (0.109 R)
• M11: 5,597,653 km (0.073 R)
• M12: 6,070,382 km (0.105 R)
• M13: 6,544,159 km (0.081 R)
• M14: 7,651,482 km (0.067 R)
• M15: 8,205,144 km (0.066 R)
• M16: 8,879,681 km (0.119 R)
• M17: 9,926,567 km (0.088 R)
• M18: 11,164,040 km (0.102 R)
• M19: 12,462,101 km (0.057 R)
• M20: 13,646,767 km (0.115 R)
• M21: 14,462,673 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.1

Radius: 13.1

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.37 AU - 2.59 AU

Year: 2562 Days

Day: 11.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,319,172 km

• M1: 162,912 km (0.089 R)
• M2: 570,417 km (0.045 R)
• M3: 1,126,173 km (0.081 R)
• M4: 1,790,986 km (0.104 R)
• M5: 2,413,313 km (0.034 R)
• M6: 3,108,943 km (0.091 R)
• M7: 3,778,244 km (0.066 R)
• M8: 4,347,015 km (0.045 R)
• M9: 4,833,507 km (0.109 R)
• M10: 5,760,266 km (0.116 R)
• M11: 7,491,562 km (0.111 R)
• M12: 8,359,978 km (0.072 R)
• M13: 9,080,740 km (0.079 R)
• M14: 10,182,080 km (0.12 R)
• M15: 10,844,649 km (0.118 R)
• M16: 12,649,398 km (0.1 R)
• M17: 15,593,334 km (0.093 R)
• M18: 16,159,562 km (0.108 R)
• M19: 17,170,245 km (0.067 R)
• M20: 18,449,457 km (0.08 R)
• M21: 20,516,600 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.4

Radius: 14.2

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.13 AU - 3.51 AU

Year: 3968 Days

Day: 5.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,319,172 km

• M1: 185,352 km (0.083 R)
• M2: 701,016 km (0.074 R)
• M3: 1,243,906 km (0.055 R)
• M4: 1,898,995 km (0.074 R)
• M5: 4,222,549 km (0.07 R)
• M6: 5,174,142 km (0.099 R)
• M7: 7,836,236 km (0.094 R)
• M8: 8,898,081 km (0.087 R)
• M9: 10,087,384 km (0.099 R)
• M10: 10,949,218 km (0.102 R)
• M11: 12,276,001 km (0.077 R)
• M12: 13,097,892 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.2

Radius: 14.3

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.96 AU - 5.54 AU

Year: 6791 Days

Day: 14.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,319,172 km

• M1: 177,872 km (0.06 R)
• M2: 798,853 km (0.093 R)
• M3: 1,443,021 km (0.065 R)
• M4: 2,176,200 km (0.082 R)
• M5: 2,695,155 km (0.05 R)
• M6: 3,630,890 km (0.028 R)
• M7: 4,368,557 km (0.06 R)
• M8: 5,883,385 km (0.09 R)
• M9: 7,195,508 km (0.032 R)
• M10: 7,686,638 km (0.092 R)
• M11: 8,362,820 km (0.072 R)
• M12: 10,111,470 km (0.113 R)
• M13: 10,680,690 km (0.117 R)
• M14: 11,171,520 km (0.082 R)
• M15: 12,357,532 km (0.065 R)
• M16: 14,380,544 km (0.1 R)
• M17: 19,289,748 km (0.079 R)
• M18: 25,563,583 km (0.095 R)
• M19: 26,801,805 km (0.099 R)
• M20: 28,079,520 km (0.085 R)
• M21: 36,391,776 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.9

Radius: 8.3

Gravity: 12.18 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 4.35 AU - 5.95 AU

Year: 7667 Days

Day: 8.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 68,319,172 km

• M1: 103,223 km (0.041 R)
• M2: 411,245 km (0.09 R)
• M3: 673,789 km (0.094 R)
• M4: 1,084,884 km (0.04 R)
• M5: 1,404,874 km (0.093 R)
• M6: 1,893,759 km (0.088 R)
• M7: 2,274,037 km (0.107 R)
• M8: 2,645,339 km (0.083 R)
• M9: 3,056,883 km (0.101 R)
• M10: 3,416,367 km (0.063 R)
• M11: 4,384,414 km (0.026 R)
• M12: 5,721,520 km (0.104 R)
• M13: 6,304,503 km (0.097 R)
• M14: 7,956,512 km (0.112 R)
• M15: 8,335,743 km (0.069 R)
• M16: 9,406,415 km (0.101 R)
• M17: 10,120,595 km (0.099 R)
• M18: 10,717,491 km (0.115 R)
• M19: 16,299,885 km (0.12 R)
• M20: 18,183,023 km (0.096 R)
• M21: 20,206,783 km (0.068 R)
• M22: 24,607,503 km (0.114 R)
• M23: 26,889,170 km (0.113 R)
• M24: 27,648,080 km (0.12 R)
• M25: 30,213,384 km (0.079 R)
• M26: 32,185,533 km (0.113 R)
• M27: 33,801,938 km (0.114 R)
• M28: 34,352,608 km (0.069 R)
• M29: 35,812,234 km (0.118 R)
• M30: 36,730,765 km (0.106 R)
• M31: 37,195,865 km (0.048 R)
• M32: 37,782,737 km (0.101 R)
• M33: 40,192,161 km (0.11 R)
• M34: 41,309,208 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 973

Radius: 4.6

Gravity: 45.98 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 6.99 AU - 8.61 AU

Year: 14291 Days

Day: 22.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 68,319,172 km

• M1: 58,194 km (0.093 R)
• M2: 381,026 km (0.048 R)
• M3: 689,796 km (0.102 R)
• M4: 978,071 km (0.093 R)
• M5: 1,203,216 km (0.118 R)
• M6: 1,688,810 km (0.103 R)
• M7: 1,957,339 km (0.105 R)
• M8: 2,358,859 km (0.109 R)
• M9: 3,864,711 km (0.119 R)
• M10: 4,799,249 km (0.078 R)
• M11: 5,995,434 km (0.061 R)
• M12: 6,662,341 km (0.118 R)
• M13: 7,516,994 km (0.111 R)
• M14: 9,605,978 km (0.077 R)
• M15: 13,802,049 km (0.096 R)
• M16: 14,372,615 km (0.086 R)
• M17: 15,560,871 km (0.036 R)
• M18: 16,573,350 km (0.107 R)
• M19: 17,136,436 km (0.067 R)
• M20: 18,556,569 km (0.037 R)
• M21: 20,143,952 km (0.031 R)
• M22: 22,888,175 km (0.098 R)
• M23: 24,919,415 km (0.054 R)
• M24: 26,194,138 km (0.078 R)
• M25: 26,847,582 km (0.064 R)
• M26: 36,626,196 km (0.115 R)
• M27: 37,717,662 km (0.079 R)
• M28: 42,450,041 km (0.059 R)
• M29: 43,350,920 km (0.106 R)
• M30: 45,972,473 km (0.06 R)
• M31: 47,562,997 km (0.05 R)
• M32: 48,534,636 km (0.102 R)
• M33: 49,025,317 km (0.101 R)
• M34: 50,350,305 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 475

Radius: 3.9

Gravity: 31.23 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 9.54 AU - 10.26 AU

Year: 20434 Days

Day: 23.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 68,319,172 km

• M1: 48,470 km (0.09 R)
• M2: 227,987 km (0.076 R)
• M3: 427,102 km (0.057 R)
• M4: 746,045 km (0.081 R)
• M5: 1,180,477 km (0.118 R)
• M6: 2,182,334 km (0.07 R)
• M7: 2,327,743 km (0.073 R)
• M8: 3,000,784 km (0.066 R)
• M9: 3,260,336 km (0.051 R)
• M10: 3,423,248 km (0.102 R)
• M11: 3,619,969 km (0.119 R)
• M12: 5,070,470 km (0.071 R)
• M13: 6,437,047 km (0.108 R)
• M14: 7,319,076 km (0.088 R)
• M15: 7,837,133 km (0.108 R)
• M16: 10,978,838 km (0.049 R)
• M17: 11,469,070 km (0.099 R)
• M18: 12,758,454 km (0.031 R)
• M19: 14,141,337 km (0.083 R)
• M20: 18,113,609 km (0.078 R)
• M21: 19,321,313 km (0.068 R)
• M22: 21,326,074 km (0.108 R)
• M23: 34,741,562 km (0.066 R)
• M24: 36,599,717 km (0.078 R)
• M25: 36,870,490 km (0.114 R)
• M26: 38,244,247 km (0.092 R)
• M27: 49,652,132 km (0.035 R)
• M28: 60,449,956 km (0.07 R)
• M29: 64,501,216 km (0.101 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: 446 - 13,186 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit