🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.4

Radius: 11.6

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.94 AU - 1.14 AU

Year: 707 Days

Day: 6.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,307,044 km

• M1: 144,512 km (0.1 R)
• M2: 536,608 km (0.082 R)
• M3: 1,138,141 km (0.045 R)
• M4: 1,533,977 km (0.091 R)
• M5: 2,244,866 km (0.042 R)
• M6: 2,614,821 km (0.112 R)
• M7: 3,295,342 km (0.091 R)
• M8: 4,034,804 km (0.084 R)
• M9: 4,437,073 km (0.062 R)
• M10: 5,239,067 km (0.107 R)
• M11: 6,379,302 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.7

Radius: 12.7

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.97 AU - 1.25 AU

Year: 780 Days

Day: 7 Hours

Environment

Temp: -183 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,307,044 km

• M1: 158,125 km (0.052 R)
• M2: 584,778 km (0.113 R)
• M3: 1,032,973 km (0.071 R)
• M4: 1,456,186 km (0.093 R)
• M5: 1,875,658 km (0.104 R)
• M6: 2,297,225 km (0.08 R)
• M7: 2,782,670 km (0.102 R)
• M8: 3,185,238 km (0.047 R)
• M9: 4,831,263 km (0.11 R)
• M10: 5,293,221 km (0.092 R)
• M11: 5,747,101 km (0.066 R)
• M12: 6,880,455 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118

Radius: 11.9

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.46 AU - 2.88 AU

Year: 2909 Days

Day: 11.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,307,044 km

• M1: 149,747 km (0.096 R)
• M2: 643,720 km (0.113 R)
• M3: 1,628,223 km (0.101 R)
• M4: 2,289,147 km (0.11 R)
• M5: 3,011,555 km (0.074 R)
• M6: 3,382,258 km (0.086 R)
• M7: 4,216,715 km (0.067 R)
• M8: 4,890,504 km (0.094 R)
• M9: 5,467,653 km (0.113 R)
• M10: 5,848,529 km (0.093 R)
• M11: 6,476,391 km (0.066 R)
• M12: 7,605,257 km (0.066 R)
• M13: 8,492,821 km (0.117 R)
• M14: 10,538,123 km (0.099 R)
• M15: 11,096,871 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.8

Radius: 14.8

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.63 AU - 2.75 AU

Year: 2942 Days

Day: 11 Hours

Environment

Temp: -211 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,307,044 km

• M1: 189,690 km (0.105 R)
• M2: 758,760 km (0.107 R)
• M3: 1,273,527 km (0.04 R)
• M4: 1,944,024 km (0.11 R)
• M5: 2,440,540 km (0.099 R)
• M6: 4,194,276 km (0.1 R)
• M7: 6,043,156 km (0.115 R)
• M8: 6,538,175 km (0.103 R)
• M9: 7,149,731 km (0.108 R)
• M10: 11,042,268 km (0.08 R)
• M11: 11,743,134 km (0.056 R)
• M12: 13,233,727 km (0.099 R)
• M13: 16,115,281 km (0.111 R)
• M14: 18,807,893 km (0.104 R)
• M15: 19,510,704 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.4

Radius: 11

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 3.69 AU - 5.05 AU

Year: 6092 Days

Day: 8 Hours

Environment

Temp: -220 °C

Axial Tilt: 98.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,307,044 km

• M1: 137,181 km (0.06 R)
• M2: 981,960 km (0.081 R)
• M3: 1,628,822 km (0.079 R)
• M4: 1,983,069 km (0.06 R)
• M5: 2,701,887 km (0.103 R)
• M6: 3,468,726 km (0.112 R)
• M7: 3,977,957 km (0.084 R)
• M8: 5,728,252 km (0.092 R)
• M9: 6,120,946 km (0.115 R)
• M10: 7,245,922 km (0.117 R)
• M11: 7,705,786 km (0.073 R)
• M12: 9,743,758 km (0.093 R)
• M13: 10,223,369 km (0.087 R)
• M14: 11,100,611 km (0.05 R)
• M15: 11,579,773 km (0.094 R)
• M16: 15,117,463 km (0.109 R)
• M17: 18,458,582 km (0.038 R)
• M18: 19,008,205 km (0.114 R)
• M19: 22,607,380 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.9

Radius: 9.9

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 4.58 AU - 4.82 AU

Year: 6795 Days

Day: 15 Hours

Environment

Temp: -227 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 53,307,044 km

• M1: 124,765 km (0.12 R)
• M2: 530,773 km (0.09 R)
• M3: 849,866 km (0.111 R)
• M4: 1,212,042 km (0.095 R)
• M5: 1,568,982 km (0.053 R)
• M6: 2,155,705 km (0.089 R)
• M7: 2,533,889 km (0.08 R)
• M8: 2,975,053 km (0.055 R)
• M9: 3,943,849 km (0.119 R)
• M10: 5,442,221 km (0.094 R)
• M11: 5,967,010 km (0.1 R)
• M12: 8,835,101 km (0.112 R)
• M13: 9,193,088 km (0.091 R)
• M14: 11,595,780 km (0.067 R)
• M15: 13,430,149 km (0.094 R)
• M16: 14,334,618 km (0.088 R)
• M17: 15,166,083 km (0.098 R)
• M18: 16,924,905 km (0.112 R)
• M19: 18,106,877 km (0.091 R)
• M20: 19,476,296 km (0.067 R)
• M21: 20,565,070 km (0.117 R)
• M22: 21,053,956 km (0.081 R)
• M23: 21,693,935 km (0.113 R)
• M24: 22,493,685 km (0.116 R)
• M25: 23,313,033 km (0.091 R)
• M26: 26,872,864 km (0.054 R)
• M27: 28,479,096 km (0.079 R)
• M28: 28,825,266 km (0.044 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.8

Radius: 14

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 5.46 AU - 5.92 AU

Year: 9051 Days

Day: 7.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,307,044 km

• M1: 176,077 km (0.108 R)
• M2: 1,290,431 km (0.117 R)
• M3: 2,019,571 km (0.066 R)
• M4: 3,228,322 km (0.063 R)
• M5: 4,757,811 km (0.085 R)
• M6: 6,545,804 km (0.092 R)
• M7: 7,257,292 km (0.084 R)
• M8: 9,058,899 km (0.07 R)
• M9: 9,847,878 km (0.113 R)
• M10: 10,732,899 km (0.071 R)
• M11: 13,948,057 km (0.065 R)
• M12: 14,748,405 km (0.114 R)
• M13: 20,286,967 km (0.11 R)
• M14: 27,742,476 km (0.049 R)
• M15: 32,289,204 km (0.047 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 786.4

Radius: 3.3

Gravity: 72.21 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 8.79 AU - 8.87 AU

Year: 17497 Days

Day: 22 Hours

Environment

Temp: -237 °C

Axial Tilt: 152.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,307,044 km

• M1: 41,738 km (0.115 R)
• M2: 220,208 km (0.095 R)
• M3: 431,440 km (0.106 R)
• M4: 696,528 km (0.108 R)
• M5: 1,086,230 km (0.041 R)
• M6: 1,263,055 km (0.087 R)
• M7: 1,555,818 km (0.106 R)
• M8: 3,327,356 km (0.092 R)
• M9: 4,879,583 km (0.061 R)
• M10: 6,036,424 km (0.082 R)
• M11: 8,096,237 km (0.097 R)
• M12: 11,383,351 km (0.101 R)
• M13: 12,093,342 km (0.086 R)
• M14: 19,134,914 km (0.116 R)
• M15: 25,781,248 km (0.11 R)
• M16: 35,275,028 km (0.082 R)
• M17: 41,388,046 km (0.091 R)
• M18: 46,208,239 km (0.034 R)
• M19: 48,836,374 km (0.09 R)
• M20: 56,022,009 km (0.075 R)
• M21: 69,437,796 km (0.119 R)
• M22: 71,359,381 km (0.065 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 638.1

Radius: 4.3

Gravity: 34.51 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 9.2 AU - 9.6 AU

Year: 19219 Days

Day: 15.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 53,307,044 km

• M1: 61,036 km (0.083 R)
• M2: 360,830 km (0.116 R)
• M3: 496,665 km (0.065 R)
• M4: 649,404 km (0.099 R)
• M5: 1,103,883 km (0.071 R)
• M6: 1,590,375 km (0.047 R)
• M7: 1,762,861 km (0.049 R)
• M8: 2,145,682 km (0.103 R)
• M9: 2,581,760 km (0.086 R)
• M10: 3,775,850 km (0.082 R)
• M11: 5,802,602 km (0.099 R)
• M12: 6,255,136 km (0.11 R)
• M13: 6,555,229 km (0.105 R)
• M14: 7,137,763 km (0.097 R)
• M15: 7,417,960 km (0.065 R)
• M16: 11,126,192 km (0.089 R)
• M17: 11,888,094 km (0.113 R)
• M18: 12,481,998 km (0.118 R)
• M19: 15,516,590 km (0.042 R)
• M20: 16,145,500 km (0.075 R)
• M21: 16,385,604 km (0.058 R)
• M22: 20,653,632 km (0.118 R)
• M23: 24,223,186 km (0.088 R)
• M24: 25,933,688 km (0.105 R)
• M25: 27,723,029 km (0.099 R)
• M26: 33,712,179 km (0.072 R)
• M27: 36,660,753 km (0.1 R)
• M28: 36,798,683 km (0.105 R)
• M29: 37,914,982 km (0.083 R)
• M30: 38,766,792 km (0.077 R)
• M31: 39,197,484 km (0.058 R)
• M32: 39,922,436 km (0.1 R)
• M33: 47,998,327 km (0.117 R)
• M34: 55,810,627 km (0.088 R)
• M35: 56,176,244 km (0.12 R)
• M36: 61,658,707 km (0.052 R)
• M37: 64,428,512 km (0.112 R)
• M38: 65,844,156 km (0.115 R)
• M39: 67,694,383 km (0.103 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 226.5

Radius: 5

Gravity: 9.06 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 7.78 AU - 11.78 AU

Year: 20396 Days

Day: 21.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 53,307,044 km

• M1: 62,831 km (0.119 R)
• M2: 342,729 km (0.051 R)
• M3: 576,700 km (0.062 R)
• M4: 1,633,160 km (0.031 R)
• M5: 1,975,589 km (0.106 R)
• M6: 3,393,777 km (0.07 R)
• M7: 4,946,603 km (0.104 R)
• M8: 5,244,752 km (0.102 R)
• M9: 7,292,597 km (0.073 R)
• M10: 7,548,858 km (0.114 R)
• M11: 7,855,235 km (0.06 R)
• M12: 9,017,760 km (0.116 R)
• M13: 9,819,305 km (0.05 R)
• M14: 13,312,565 km (0.106 R)
• M15: 15,369,835 km (0.081 R)
• M16: 15,720,343 km (0.108 R)
• M17: 15,933,220 km (0.079 R)
• M18: 18,878,503 km (0.101 R)
• M19: 19,442,936 km (0.104 R)
• M20: 21,117,684 km (0.103 R)
• M21: 21,376,937 km (0.036 R)
• M22: 24,655,375 km (0.111 R)
• M23: 31,172,008 km (0.106 R)
• M24: 32,530,955 km (0.115 R)
• M25: 33,224,939 km (0.048 R)
• M26: 40,186,027 km (0.086 R)
• M27: 42,203,055 km (0.098 R)
• M28: 44,996,048 km (0.093 R)
• M29: 45,425,244 km (0.11 R)
• M30: 48,357,362 km (0.105 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 261 - 18,876 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit