🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.9

Radius: 9.3

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.72 AU - 0.78 AU

Year: 426 Days

Day: 6.7 Hours

Environment

Temp: -132 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,057,643 km

• M1: 115,639 km (0.096 R)
• M2: 406,457 km (0.111 R)
• M3: 717,172 km (0.094 R)
• M4: 1,061,995 km (0.082 R)
• M5: 1,583,344 km (0.08 R)
• M6: 2,028,846 km (0.072 R)
• M7: 2,618,860 km (0.114 R)
• M8: 2,946,031 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242

Radius: 12.8

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.15 AU - 1.23 AU

Year: 852 Days

Day: 14 Hours

Environment

Temp: -175 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,057,643 km

• M1: 159,172 km (0.082 R)
• M2: 636,689 km (0.075 R)
• M3: 1,223,860 km (0.079 R)
• M4: 1,892,413 km (0.094 R)
• M5: 2,547,801 km (0.092 R)
• M6: 3,092,188 km (0.115 R)
• M7: 3,623,560 km (0.068 R)
• M8: 5,698,183 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738

Radius: 11.6

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.14 AU - 1.56 AU

Year: 1029 Days

Day: 9 Hours

Environment

Temp: -176 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,057,643 km

• M1: 144,362 km (0.108 R)
• M2: 705,653 km (0.097 R)
• M3: 1,235,529 km (0.095 R)
• M4: 1,896,153 km (0.051 R)
• M5: 3,041,026 km (0.037 R)
• M6: 3,462,293 km (0.056 R)
• M7: 4,167,647 km (0.073 R)
• M8: 5,574,615 km (0.099 R)
• M9: 8,246,283 km (0.089 R)
• M10: 8,624,766 km (0.07 R)
• M11: 9,329,522 km (0.108 R)
• M12: 9,740,766 km (0.093 R)
• M13: 10,349,330 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.3

Radius: 12.7

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.21 AU - 1.69 AU

Year: 1145 Days

Day: 12.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 73,057,643 km

• M1: 158,275 km (0.105 R)
• M2: 655,239 km (0.032 R)
• M3: 1,256,173 km (0.1 R)
• M4: 3,164,893 km (0.113 R)
• M5: 3,651,983 km (0.053 R)
• M6: 4,374,990 km (0.059 R)
• M7: 4,864,923 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.6

Radius: 13.2

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.53 AU - 2.81 AU

Year: 2862 Days

Day: 13.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,057,643 km

• M1: 164,408 km (0.08 R)
• M2: 603,179 km (0.083 R)
• M3: 1,332,468 km (0.067 R)
• M4: 1,799,064 km (0.027 R)
• M5: 2,445,925 km (0.075 R)
• M6: 2,960,243 km (0.111 R)
• M7: 3,695,367 km (0.112 R)
• M8: 4,250,973 km (0.104 R)
• M9: 4,816,453 km (0.033 R)
• M10: 5,556,065 km (0.066 R)
• M11: 6,233,594 km (0.106 R)
• M12: 7,444,289 km (0.115 R)
• M13: 10,251,643 km (0.049 R)
• M14: 11,031,197 km (0.113 R)
• M15: 12,274,356 km (0.089 R)
• M16: 13,153,692 km (0.064 R)
• M17: 14,502,915 km (0.119 R)
• M18: 15,235,945 km (0.046 R)
• M19: 15,840,021 km (0.025 R)
• M20: 18,930,863 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451

Radius: 14.1

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.42 AU - 3.34 AU

Year: 3206 Days

Day: 9.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,057,643 km

• M1: 175,329 km (0.096 R)
• M2: 740,958 km (0.116 R)
• M3: 1,480,570 km (0.098 R)
• M4: 2,047,396 km (0.092 R)
• M5: 2,773,694 km (0.08 R)
• M6: 3,361,165 km (0.119 R)
• M7: 3,874,884 km (0.099 R)
• M8: 5,273,923 km (0.096 R)
• M9: 5,715,686 km (0.095 R)
• M10: 6,590,385 km (0.109 R)
• M11: 8,083,820 km (0.064 R)
• M12: 8,944,606 km (0.083 R)
• M13: 10,349,480 km (0.109 R)
• M14: 11,486,274 km (0.114 R)
• M15: 12,106,058 km (0.099 R)
• M16: 13,548,481 km (0.072 R)
• M17: 14,956,795 km (0.115 R)
• M18: 16,564,374 km (0.033 R)
• M19: 17,036,505 km (0.045 R)
• M20: 18,007,993 km (0.118 R)
• M21: 18,507,501 km (0.116 R)
• M22: 19,476,147 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.4

Radius: 10.7

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.99 AU - 3.27 AU

Year: 3633 Days

Day: 12.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,057,643 km

• M1: 133,142 km (0.077 R)
• M2: 468,541 km (0.053 R)
• M3: 1,068,727 km (0.067 R)
• M4: 1,421,629 km (0.085 R)
• M5: 1,910,963 km (0.098 R)
• M6: 2,624,545 km (0.115 R)
• M7: 2,972,061 km (0.079 R)
• M8: 3,596,482 km (0.106 R)
• M9: 4,225,392 km (0.089 R)
• M10: 5,387,468 km (0.115 R)
• M11: 6,185,573 km (0.116 R)
• M12: 7,439,053 km (0.111 R)
• M13: 8,688,944 km (0.104 R)
• M14: 10,743,072 km (0.098 R)
• M15: 11,401,901 km (0.069 R)
• M16: 12,005,528 km (0.086 R)
• M17: 15,155,910 km (0.051 R)
• M18: 16,946,896 km (0.095 R)
• M19: 18,054,518 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 582.7

Radius: 7

Gravity: 11.89 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 7.11 AU - 7.31 AU

Year: 12700 Days

Day: 15.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 73,057,643 km

• M1: 87,066 km (0.083 R)
• M2: 397,182 km (0.044 R)
• M3: 1,370,616 km (0.076 R)
• M4: 1,895,704 km (0.075 R)
• M5: 2,214,198 km (0.116 R)
• M6: 2,609,585 km (0.078 R)
• M7: 2,981,934 km (0.117 R)
• M8: 3,619,520 km (0.088 R)
• M9: 4,710,089 km (0.115 R)
• M10: 5,129,113 km (0.107 R)
• M11: 6,116,159 km (0.033 R)
• M12: 7,914,475 km (0.065 R)
• M13: 9,079,843 km (0.082 R)
• M14: 10,408,721 km (0.11 R)
• M15: 13,510,632 km (0.105 R)
• M16: 14,757,980 km (0.034 R)
• M17: 15,030,098 km (0.113 R)
• M18: 15,584,358 km (0.116 R)
• M19: 16,441,255 km (0.1 R)
• M20: 17,480,062 km (0.068 R)
• M21: 17,938,430 km (0.067 R)
• M22: 19,852,385 km (0.08 R)
• M23: 20,267,520 km (0.105 R)
• M24: 22,074,961 km (0.087 R)
• M25: 22,431,154 km (0.087 R)
• M26: 26,504,554 km (0.112 R)
• M27: 30,054,960 km (0.075 R)
• M28: 31,156,599 km (0.098 R)
• M29: 34,503,402 km (0.054 R)
• M30: 37,071,400 km (0.082 R)
• M31: 37,322,425 km (0.104 R)
• M32: 41,359,772 km (0.064 R)
• M33: 43,553,176 km (0.06 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 66.3

Radius: 7

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 9.38 AU - 10.84 AU

Year: 21088 Days

Day: 21.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,057,643 km

• M1: 87,664 km (0.094 R)
• M2: 380,278 km (0.052 R)
• M3: 3,601,270 km (0.104 R)
• M4: 4,030,167 km (0.075 R)
• M5: 5,192,841 km (0.104 R)
• M6: 6,192,604 km (0.052 R)
• M7: 6,738,038 km (0.076 R)
• M8: 8,082,025 km (0.106 R)
• M9: 10,140,043 km (0.061 R)
• M10: 12,737,959 km (0.104 R)
• M11: 13,339,343 km (0.083 R)
• M12: 16,827,816 km (0.095 R)
• M13: 18,159,386 km (0.118 R)
• M14: 21,333,404 km (0.097 R)
• M15: 25,282,639 km (0.081 R)
• M16: 25,539,049 km (0.093 R)
• M17: 26,231,687 km (0.077 R)
• M18: 26,936,593 km (0.031 R)
• M19: 36,082,558 km (0.1 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 435.2

Radius: 4.8

Gravity: 18.89 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 10.68 AU - 11.12 AU

Year: 23607 Days

Day: 24.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 73,057,643 km

• M1: 61,934 km (0.063 R)
• M2: 243,246 km (0.109 R)
• M3: 405,859 km (0.1 R)
• M4: 983,008 km (0.099 R)
• M5: 1,200,224 km (0.079 R)
• M6: 1,544,897 km (0.103 R)
• M7: 2,276,730 km (0.061 R)
• M8: 3,787,369 km (0.041 R)
• M9: 4,873,151 km (0.118 R)
• M10: 5,703,120 km (0.068 R)
• M11: 5,944,870 km (0.109 R)
• M12: 9,516,818 km (0.049 R)
• M13: 9,800,007 km (0.103 R)
• M14: 10,088,731 km (0.063 R)
• M15: 10,989,011 km (0.087 R)
• M16: 12,138,670 km (0.069 R)
• M17: 17,710,892 km (0.086 R)
• M18: 18,139,340 km (0.052 R)
• M19: 19,738,990 km (0.051 R)
• M20: 21,333,853 km (0.06 R)
• M21: 26,186,509 km (0.103 R)
• M22: 26,519,065 km (0.081 R)
• M23: 27,079,608 km (0.103 R)
• M24: 28,573,941 km (0.095 R)
• M25: 31,977,742 km (0.099 R)
• M26: 34,435,186 km (0.057 R)
• M27: 34,968,203 km (0.119 R)
• M28: 42,101,478 km (0.089 R)
• M29: 42,557,901 km (0.057 R)
• M30: 45,206,681 km (0.111 R)
• M31: 46,490,530 km (0.108 R)
• M32: 55,250,383 km (0.111 R)
• M33: 55,614,654 km (0.08 R)
• M34: 55,797,463 km (0.11 R)
• M35: 64,441,976 km (0.053 R)
• M36: 68,135,697 km (0.102 R)
• M37: 70,889,494 km (0.096 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: 349 - 11,722 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit