🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.8

Radius: 12.8

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.87 AU - 1.25 AU

Year: 716 Days

Day: 7.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,176,825 km

• M1: 159,172 km (0.119 R)
• M2: 790,176 km (0.061 R)
• M3: 1,236,875 km (0.095 R)
• M4: 1,969,456 km (0.084 R)
• M5: 2,399,550 km (0.112 R)
• M6: 3,072,291 km (0.111 R)
• M7: 3,740,096 km (0.047 R)
• M8: 4,566,924 km (0.109 R)
• M9: 5,349,171 km (0.098 R)
• M10: 6,218,783 km (0.086 R)
• M11: 7,492,161 km (0.109 R)
• M12: 8,024,131 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.3

Radius: 10.3

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.92 AU - 1.38 AU

Year: 809 Days

Day: 6.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,176,825 km

• M1: 128,205 km (0.104 R)
• M2: 499,956 km (0.11 R)
• M3: 885,021 km (0.042 R)
• M4: 1,274,574 km (0.104 R)
• M5: 2,004,911 km (0.075 R)
• M6: 2,845,501 km (0.092 R)
• M7: 3,790,511 km (0.087 R)
• M8: 4,294,057 km (0.118 R)
• M9: 5,533,775 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.9

Radius: 9.7

Gravity: 7.52 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.48 AU - 2.14 AU

Year: 1597 Days

Day: 13.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,176,825 km

• M1: 124,465 km (0.097 R)
• M2: 455,077 km (0.118 R)
• M3: 946,955 km (0.066 R)
• M4: 1,277,117 km (0.066 R)
• M5: 2,075,521 km (0.046 R)
• M6: 3,222,338 km (0.097 R)
• M7: 3,674,872 km (0.109 R)
• M8: 4,187,843 km (0.104 R)
• M9: 5,445,063 km (0.093 R)
• M10: 5,760,715 km (0.081 R)
• M11: 7,807,064 km (0.106 R)
• M12: 8,238,804 km (0.064 R)
• M13: 8,656,182 km (0.07 R)
• M14: 9,860,145 km (0.111 R)
• M15: 10,228,754 km (0.118 R)
• M16: 11,172,567 km (0.105 R)
• M17: 13,354,153 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.1

Radius: 13.1

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.98 AU - 2.32 AU

Year: 2068 Days

Day: 5.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,176,825 km

• M1: 163,062 km (0.069 R)
• M2: 684,859 km (0.073 R)
• M3: 1,388,268 km (0.112 R)
• M4: 1,920,089 km (0.092 R)
• M5: 2,487,513 km (0.064 R)
• M6: 3,063,316 km (0.076 R)
• M7: 4,771,574 km (0.087 R)
• M8: 6,062,903 km (0.115 R)
• M9: 6,889,431 km (0.12 R)
• M10: 7,341,665 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.2

Radius: 13.6

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.13 AU - 3.53 AU

Year: 3123 Days

Day: 12.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,176,825 km

• M1: 169,195 km (0.04 R)
• M2: 606,470 km (0.101 R)
• M3: 1,468,453 km (0.08 R)
• M4: 1,921,435 km (0.094 R)
• M5: 2,648,780 km (0.034 R)
• M6: 3,225,330 km (0.099 R)
• M7: 3,884,907 km (0.04 R)
• M8: 5,399,586 km (0.059 R)
• M9: 6,249,002 km (0.1 R)
• M10: 6,824,056 km (0.07 R)
• M11: 7,624,255 km (0.066 R)
• M12: 8,624,467 km (0.114 R)
• M13: 9,597,900 km (0.107 R)
• M14: 11,848,899 km (0.049 R)
• M15: 12,507,429 km (0.119 R)
• M16: 14,042,303 km (0.09 R)
• M17: 15,856,178 km (0.111 R)
• M18: 19,040,817 km (0.099 R)
• M19: 20,190,925 km (0.053 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.8

Radius: 12.9

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.54 AU - 3.26 AU

Year: 3240 Days

Day: 8.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,176,825 km

• M1: 160,369 km (0.071 R)
• M2: 681,418 km (0.057 R)
• M3: 1,812,827 km (0.086 R)
• M4: 2,305,752 km (0.087 R)
• M5: 3,686,840 km (0.078 R)
• M6: 4,395,933 km (0.034 R)
• M7: 5,219,919 km (0.112 R)
• M8: 5,806,193 km (0.09 R)
• M9: 6,495,540 km (0.117 R)
• M10: 7,238,891 km (0.073 R)
• M11: 10,173,104 km (0.104 R)
• M12: 10,962,083 km (0.088 R)
• M13: 12,662,413 km (0.054 R)
• M14: 13,185,856 km (0.101 R)
• M15: 18,569,434 km (0.053 R)
• M16: 20,778,845 km (0.094 R)
• M17: 21,440,965 km (0.085 R)
• M18: 22,877,554 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.9

Radius: 8.1

Gravity: 11.6 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 3.62 AU - 6.02 AU

Year: 6942 Days

Day: 6.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 70,176,825 km

• M1: 100,979 km (0.104 R)
• M2: 591,809 km (0.098 R)
• M3: 881,879 km (0.116 R)
• M4: 1,180,626 km (0.066 R)
• M5: 1,896,751 km (0.103 R)
• M6: 2,350,631 km (0.081 R)
• M7: 5,814,720 km (0.119 R)
• M8: 7,139,409 km (0.095 R)
• M9: 7,442,045 km (0.099 R)
• M10: 7,832,496 km (0.084 R)
• M11: 8,527,527 km (0.117 R)
• M12: 8,911,844 km (0.036 R)
• M13: 11,109,437 km (0.112 R)
• M14: 14,710,856 km (0.072 R)
• M15: 17,007,034 km (0.05 R)
• M16: 21,661,024 km (0.111 R)
• M17: 24,024,520 km (0.077 R)
• M18: 24,278,388 km (0.109 R)
• M19: 27,374,466 km (0.062 R)
• M20: 30,525,894 km (0.118 R)
• M21: 32,445,833 km (0.051 R)
• M22: 33,593,548 km (0.051 R)
• M23: 34,660,031 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 736.6

Radius: 7.3

Gravity: 13.82 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 4.6 AU - 7.5 AU

Year: 9762 Days

Day: 23.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 70,176,825 km

• M1: 94,097 km (0.094 R)
• M2: 432,188 km (0.11 R)
• M3: 724,802 km (0.093 R)
• M4: 1,082,939 km (0.035 R)
• M5: 1,406,220 km (0.111 R)
• M6: 1,656,497 km (0.119 R)
• M7: 2,475,097 km (0.097 R)
• M8: 2,864,949 km (0.098 R)
• M9: 4,284,184 km (0.073 R)
• M10: 4,909,353 km (0.109 R)
• M11: 6,192,753 km (0.079 R)
• M12: 7,190,870 km (0.108 R)
• M13: 7,476,902 km (0.107 R)
• M14: 7,813,347 km (0.073 R)
• M15: 8,115,834 km (0.114 R)
• M16: 9,648,763 km (0.116 R)
• M17: 11,530,854 km (0.085 R)
• M18: 12,094,389 km (0.09 R)
• M19: 13,337,249 km (0.101 R)
• M20: 14,084,490 km (0.098 R)
• M21: 15,057,474 km (0.095 R)
• M22: 16,213,417 km (0.053 R)
• M23: 17,064,330 km (0.108 R)
• M24: 20,602,918 km (0.1 R)
• M25: 24,418,262 km (0.073 R)
• M26: 25,440,913 km (0.033 R)
• M27: 30,450,796 km (0.115 R)
• M28: 30,770,636 km (0.094 R)
• M29: 36,080,762 km (0.112 R)
• M30: 36,439,049 km (0.067 R)
• M31: 46,609,760 km (0.064 R)
• M32: 47,177,035 km (0.077 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 796.4

Radius: 4.2

Gravity: 45.15 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 7.84 AU - 9.28 AU

Year: 16429 Days

Day: 21.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 70,176,825 km

• M1: 52,359 km (0.094 R)
• M2: 209,886 km (0.117 R)
• M3: 604,824 km (0.109 R)
• M4: 840,441 km (0.041 R)
• M5: 2,688,573 km (0.094 R)
• M6: 3,007,516 km (0.051 R)
• M7: 3,992,019 km (0.097 R)
• M8: 4,676,130 km (0.115 R)
• M9: 5,064,337 km (0.081 R)
• M10: 5,322,243 km (0.094 R)
• M11: 5,588,827 km (0.029 R)
• M12: 6,614,320 km (0.038 R)
• M13: 6,877,912 km (0.113 R)
• M14: 8,505,985 km (0.037 R)
• M15: 11,217,447 km (0.055 R)
• M16: 12,235,759 km (0.118 R)
• M17: 12,499,650 km (0.105 R)
• M18: 12,902,667 km (0.112 R)
• M19: 13,107,317 km (0.086 R)
• M20: 13,593,360 km (0.079 R)
• M21: 15,427,430 km (0.082 R)
• M22: 17,586,726 km (0.11 R)
• M23: 17,922,722 km (0.082 R)
• M24: 18,348,927 km (0.11 R)
• M25: 19,132,969 km (0.046 R)
• M26: 20,488,924 km (0.118 R)
• M27: 21,332,507 km (0.11 R)
• M28: 28,124,250 km (0.062 R)
• M29: 29,636,086 km (0.083 R)
• M30: 32,694,166 km (0.087 R)
• M31: 37,596,039 km (0.116 R)
• M32: 41,171,578 km (0.076 R)
• M33: 45,911,736 km (0.096 R)
• M34: 61,514,196 km (0.079 R)
• M35: 63,657,933 km (0.074 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 268 - 11,928 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit