🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.4

Radius: 12.5

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.51 AU - 0.63 AU

Year: 287 Days

Day: 8.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,940,383 km

• M1: 155,731 km (0.096 R)
• M2: 552,465 km (0.055 R)
• M3: 1,090,120 km (0.063 R)
• M4: 1,517,222 km (0.091 R)
• M5: 1,958,087 km (0.062 R)
• M6: 2,548,400 km (0.072 R)
• M7: 3,287,862 km (0.063 R)
• M8: 3,816,541 km (0.11 R)
• M9: 4,660,422 km (0.033 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.5

Radius: 11.8

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.56 AU - 0.64 AU

Year: 310 Days

Day: 10.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,940,383 km

• M1: 146,905 km (0.097 R)
• M2: 563,386 km (0.088 R)
• M3: 963,859 km (0.108 R)
• M4: 1,403,826 km (0.064 R)
• M5: 1,803,702 km (0.117 R)
• M6: 2,239,031 km (0.097 R)
• M7: 2,687,825 km (0.103 R)
• M8: 3,061,072 km (0.066 R)
• M9: 3,594,089 km (0.052 R)
• M10: 4,036,899 km (0.106 R)
• M11: 4,436,026 km (0.119 R)
• M12: 4,804,934 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.3

Radius: 8.2

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.61 AU - 0.65 AU

Year: 333 Days

Day: 7.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,940,383 km

• M1: 102,026 km (0.045 R)
• M2: 448,943 km (0.12 R)
• M3: 780,602 km (0.107 R)
• M4: 1,117,646 km (0.08 R)
• M5: 1,380,040 km (0.12 R)
• M6: 1,645,427 km (0.096 R)
• M7: 1,902,137 km (0.057 R)
• M8: 2,297,524 km (0.082 R)
• M9: 2,620,506 km (0.116 R)
• M10: 2,934,961 km (0.051 R)
• M11: 3,685,044 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.7

Radius: 12.6

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.72 AU - 1 AU

Year: 532 Days

Day: 7.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 47,940,383 km

• M1: 157,227 km (0.087 R)
• M2: 1,606,083 km (0.113 R)
• M3: 2,034,531 km (0.097 R)
• M4: 2,540,172 km (0.118 R)
• M5: 2,950,668 km (0.108 R)
• M6: 3,345,158 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.4

Radius: 14.6

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.01 AU - 1.59 AU

Year: 988 Days

Day: 10.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,940,383 km

• M1: 183,108 km (0.101 R)
• M2: 707,000 km (0.117 R)
• M3: 1,584,989 km (0.09 R)
• M4: 2,067,443 km (0.056 R)
• M5: 2,578,319 km (0.098 R)
• M6: 3,706,886 km (0.102 R)
• M7: 7,234,553 km (0.109 R)
• M8: 7,702,944 km (0.09 R)
• M9: 8,701,061 km (0.079 R)
• M10: 10,143,932 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.5

Radius: 14.2

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3 AU - 3.96 AU

Year: 4329 Days

Day: 10.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,940,383 km

• M1: 176,974 km (0.038 R)
• M2: 780,003 km (0.071 R)
• M3: 1,746,555 km (0.089 R)
• M4: 2,190,861 km (0.09 R)
• M5: 3,395,124 km (0.027 R)
• M6: 3,898,072 km (0.12 R)
• M7: 4,426,900 km (0.069 R)
• M8: 7,173,966 km (0.096 R)
• M9: 7,936,616 km (0.11 R)
• M10: 8,600,382 km (0.037 R)
• M11: 9,502,158 km (0.069 R)
• M12: 10,251,194 km (0.092 R)
• M13: 14,066,837 km (0.074 R)
• M14: 16,058,733 km (0.117 R)
• M15: 19,128,930 km (0.025 R)
• M16: 19,987,323 km (0.087 R)
• M17: 22,137,792 km (0.092 R)
• M18: 24,057,133 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.5

Radius: 14.4

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 3.41 AU - 5.51 AU

Year: 6281 Days

Day: 11.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,940,383 km

• M1: 179,817 km (0.061 R)
• M2: 745,297 km (0.037 R)
• M3: 1,882,540 km (0.112 R)
• M4: 2,345,844 km (0.116 R)
• M5: 4,238,556 km (0.12 R)
• M6: 4,743,898 km (0.049 R)
• M7: 5,617,550 km (0.103 R)
• M8: 7,114,725 km (0.095 R)
• M9: 8,493,270 km (0.038 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 322.2

Radius: 4.1

Gravity: 19.17 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 7.96 AU - 9.82 AU

Year: 17676 Days

Day: 16.4 Hours

Environment

Temp: -240 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 47,940,383 km

• M1: 51,013 km (0.082 R)
• M2: 257,757 km (0.106 R)
• M3: 412,741 km (0.043 R)
• M4: 891,454 km (0.071 R)
• M5: 2,405,384 km (0.06 R)
• M6: 2,945,133 km (0.064 R)
• M7: 3,231,164 km (0.116 R)
• M8: 4,260,099 km (0.056 R)
• M9: 4,594,599 km (0.098 R)
• M10: 4,848,766 km (0.092 R)
• M11: 5,213,486 km (0.117 R)
• M12: 5,849,277 km (0.115 R)
• M13: 6,147,724 km (0.084 R)
• M14: 8,248,677 km (0.108 R)
• M15: 10,839,563 km (0.084 R)
• M16: 12,048,014 km (0.11 R)
• M17: 13,279,653 km (0.063 R)
• M18: 14,525,205 km (0.112 R)
• M19: 14,796,875 km (0.116 R)
• M20: 15,072,135 km (0.075 R)
• M21: 16,870,002 km (0.109 R)
• M22: 19,291,543 km (0.098 R)
• M23: 19,868,692 km (0.066 R)
• M24: 20,203,641 km (0.12 R)
• M25: 25,591,109 km (0.096 R)
• M26: 26,287,637 km (0.104 R)
• M27: 28,241,684 km (0.117 R)
• M28: 30,734,135 km (0.084 R)
• M29: 34,923,324 km (0.043 R)
• M30: 36,775,794 km (0.098 R)
• M31: 42,170,892 km (0.088 R)
• M32: 42,308,821 km (0.103 R)
• M33: 48,070,284 km (0.111 R)
• M34: 52,719,187 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 373.4

Radius: 7.6

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 8.24 AU - 10.44 AU

Year: 19035 Days

Day: 18.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 47,940,383 km

• M1: 99,034 km (0.108 R)
• M2: 438,920 km (0.092 R)
• M3: 815,608 km (0.117 R)
• M4: 1,302,848 km (0.079 R)
• M5: 1,620,444 km (0.114 R)
• M6: 3,683,848 km (0.102 R)
• M7: 4,112,894 km (0.044 R)
• M8: 4,607,016 km (0.095 R)
• M9: 6,092,822 km (0.093 R)
• M10: 6,489,107 km (0.113 R)
• M11: 6,987,118 km (0.097 R)
• M12: 7,919,861 km (0.079 R)
• M13: 9,602,089 km (0.115 R)
• M14: 9,868,224 km (0.089 R)
• M15: 10,752,796 km (0.093 R)
• M16: 13,259,757 km (0.07 R)
• M17: 13,590,069 km (0.089 R)
• M18: 14,966,070 km (0.074 R)
• M19: 16,132,036 km (0.112 R)
• M20: 16,967,839 km (0.099 R)
• M21: 18,891,518 km (0.104 R)
• M22: 20,689,984 km (0.046 R)
• M23: 24,922,856 km (0.107 R)
• M24: 28,479,695 km (0.109 R)
• M25: 33,810,764 km (0.096 R)
• M26: 38,553,765 km (0.096 R)
• M27: 45,045,116 km (0.098 R)
• M28: 48,704,579 km (0.079 R)
• M29: 49,808,162 km (0.051 R)
• M30: 55,919,385 km (0.074 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 130.5

Radius: 4.3

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 10.27 AU - 10.87 AU

Year: 22916 Days

Day: 24.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 47,940,383 km

• M1: 54,154 km (0.112 R)
• M2: 196,422 km (0.094 R)
• M3: 351,854 km (0.088 R)
• M4: 584,479 km (0.093 R)
• M5: 885,470 km (0.032 R)
• M6: 1,790,088 km (0.116 R)
• M7: 2,037,074 km (0.079 R)
• M8: 3,234,605 km (0.11 R)
• M9: 4,049,764 km (0.116 R)
• M10: 5,584,489 km (0.117 R)
• M11: 7,062,366 km (0.056 R)
• M12: 7,977,306 km (0.028 R)
• M13: 11,688,530 km (0.108 R)
• M14: 15,580,469 km (0.083 R)
• M15: 16,268,469 km (0.092 R)
• M16: 20,255,701 km (0.094 R)
• M17: 22,603,939 km (0.09 R)
• M18: 26,264,001 km (0.113 R)
• M19: 28,133,226 km (0.118 R)
• M20: 30,089,218 km (0.056 R)
• M21: 34,730,791 km (0.087 R)
• M22: 35,902,292 km (0.11 R)
• M23: 36,378,163 km (0.077 R)
• M24: 39,954,599 km (0.066 R)
• M25: 40,594,130 km (0.081 R)
• M26: 40,980,990 km (0.102 R)
• M27: 43,086,132 km (0.109 R)
• M28: 45,539,387 km (0.102 R)
• M29: 45,678,363 km (0.086 R)
• M30: 46,377,434 km (0.12 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: 510 - 13,370 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit