🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.5

Radius: 14.5

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.42 AU - 0.68 AU

Year: 272 Days

Day: 5.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 64,177,756 km

• M1: 188,045 km (0.114 R)
• M2: 723,754 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.3

Radius: 12.3

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.86 AU - 0.92 AU

Year: 560 Days

Day: 13.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,177,756 km

• M1: 153,039 km (0.044 R)
• M2: 674,537 km (0.05 R)
• M3: 1,149,360 km (0.046 R)
• M4: 1,616,704 km (0.105 R)
• M5: 2,028,697 km (0.044 R)
• M6: 4,099,879 km (0.074 R)
• M7: 5,005,096 km (0.091 R)
• M8: 5,720,174 km (0.102 R)
• M9: 6,221,775 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.8

Radius: 9

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.58 AU - 2.18 AU

Year: 1719 Days

Day: 12.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,177,756 km

• M1: 114,592 km (0.082 R)
• M2: 481,855 km (0.117 R)
• M3: 1,116,599 km (0.074 R)
• M4: 2,066,545 km (0.117 R)
• M5: 2,356,166 km (0.094 R)
• M6: 3,846,311 km (0.064 R)
• M7: 4,137,129 km (0.104 R)
• M8: 4,654,738 km (0.095 R)
• M9: 5,042,346 km (0.051 R)
• M10: 5,777,919 km (0.105 R)
• M11: 6,117,356 km (0.117 R)
• M12: 6,859,661 km (0.114 R)
• M13: 8,741,452 km (0.095 R)
• M14: 9,682,573 km (0.034 R)
• M15: 10,193,150 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.4

Radius: 13.2

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.08 AU - 3.2 AU

Year: 2860 Days

Day: 9.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,177,756 km

• M1: 164,109 km (0.028 R)
• M2: 575,952 km (0.098 R)
• M3: 1,056,460 km (0.048 R)
• M4: 1,526,646 km (0.119 R)
• M5: 1,949,709 km (0.087 R)
• M6: 2,853,579 km (0.114 R)
• M7: 4,074,298 km (0.095 R)
• M8: 6,905,139 km (0.043 R)
• M9: 8,530,220 km (0.118 R)
• M10: 9,857,153 km (0.118 R)
• M11: 11,281,175 km (0.066 R)
• M12: 12,099,775 km (0.05 R)
• M13: 13,320,045 km (0.085 R)
• M14: 14,192,200 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.6

Radius: 13.1

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.26 AU - 3.44 AU

Year: 3208 Days

Day: 8.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,177,756 km

• M1: 263,741 km (0.081 R)
• M2: 781,649 km (0.088 R)
• M3: 1,992,793 km (0.083 R)
• M4: 2,581,461 km (0.069 R)
• M5: 5,191,944 km (0.098 R)
• M6: 8,014,856 km (0.069 R)
• M7: 8,728,288 km (0.101 R)
• M8: 9,424,067 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.6

Radius: 13.3

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.38 AU - 3.44 AU

Year: 3310 Days

Day: 7.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,177,756 km

• M1: 165,455 km (0.114 R)
• M2: 630,405 km (0.09 R)
• M3: 1,128,267 km (0.071 R)
• M4: 1,676,992 km (0.103 R)
• M5: 2,168,421 km (0.115 R)
• M6: 2,861,957 km (0.118 R)
• M7: 3,295,342 km (0.105 R)
• M8: 3,961,501 km (0.088 R)
• M9: 4,545,083 km (0.1 R)
• M10: 4,980,562 km (0.104 R)
• M11: 5,835,514 km (0.027 R)
• M12: 6,566,150 km (0.057 R)
• M13: 7,039,178 km (0.066 R)
• M14: 7,867,950 km (0.106 R)
• M15: 9,061,741 km (0.087 R)
• M16: 9,613,907 km (0.115 R)
• M17: 10,188,662 km (0.098 R)
• M18: 11,016,238 km (0.115 R)
• M19: 12,299,339 km (0.099 R)
• M20: 13,769,437 km (0.074 R)
• M21: 15,065,702 km (0.087 R)
• M22: 16,696,170 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.1

Radius: 10

Gravity: 9.19 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 3.24 AU - 4.4 AU

Year: 4979 Days

Day: 9.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,177,756 km

• M1: 132,245 km (0.092 R)
• M2: 491,279 km (0.104 R)
• M3: 1,044,792 km (0.063 R)
• M4: 1,655,151 km (0.068 R)
• M5: 1,983,219 km (0.112 R)
• M6: 2,438,146 km (0.058 R)
• M7: 3,039,978 km (0.039 R)
• M8: 3,365,802 km (0.103 R)
• M9: 3,783,480 km (0.108 R)
• M10: 4,461,756 km (0.057 R)
• M11: 4,830,366 km (0.11 R)
• M12: 6,187,368 km (0.084 R)
• M13: 7,093,781 km (0.112 R)
• M14: 7,745,579 km (0.091 R)
• M15: 10,164,727 km (0.06 R)
• M16: 10,619,803 km (0.081 R)
• M17: 11,135,766 km (0.077 R)
• M18: 11,866,402 km (0.095 R)
• M19: 13,369,263 km (0.054 R)
• M20: 13,860,392 km (0.069 R)
• M21: 15,406,486 km (0.078 R)
• M22: 15,885,798 km (0.056 R)
• M23: 18,167,465 km (0.077 R)
• M24: 20,086,805 km (0.076 R)
• M25: 21,986,848 km (0.111 R)
• M26: 23,923,841 km (0.044 R)
• M27: 24,324,614 km (0.117 R)
• M28: 26,566,039 km (0.082 R)
• M29: 29,123,115 km (0.094 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.2

Radius: 11

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 5.48 AU - 5.94 AU

Year: 9099 Days

Day: 5.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,177,756 km

• M1: 144,063 km (0.114 R)
• M2: 641,326 km (0.061 R)
• M3: 1,224,907 km (0.12 R)
• M4: 2,404,935 km (0.047 R)
• M5: 3,328,852 km (0.045 R)
• M6: 5,968,656 km (0.074 R)
• M7: 7,251,009 km (0.03 R)
• M8: 8,532,913 km (0.075 R)
• M9: 15,128,234 km (0.051 R)
• M10: 15,713,910 km (0.068 R)
• M11: 18,872,220 km (0.03 R)
• M12: 19,322,959 km (0.111 R)
• M13: 22,014,972 km (0.119 R)
• M14: 32,640,610 km (0.025 R)
• M15: 39,413,055 km (0.102 R)
• M16: 41,273,305 km (0.029 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 95.9

Radius: 7.9

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 6.27 AU - 7.83 AU

Year: 12483 Days

Day: 23.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,177,756 km

• M1: 128,804 km (0.085 R)
• M2: 3,278,437 km (0.111 R)
• M3: 6,309,739 km (0.108 R)
• M4: 8,032,059 km (0.083 R)
• M5: 11,469,968 km (0.041 R)
• M6: 11,941,052 km (0.056 R)
• M7: 13,692,244 km (0.108 R)
• M8: 23,079,959 km (0.034 R)
• M9: 24,831,302 km (0.114 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 551.9

Radius: 3.7

Gravity: 40.31 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 7.85 AU - 9.65 AU

Year: 17260 Days

Day: 17.4 Hours

Environment

Temp: -241 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 64,177,756 km

• M1: 46,675 km (0.047 R)
• M2: 186,848 km (0.049 R)
• M3: 559,047 km (0.093 R)
• M4: 692,339 km (0.098 R)
• M5: 1,199,476 km (0.057 R)
• M6: 1,593,965 km (0.072 R)
• M7: 1,726,210 km (0.064 R)
• M8: 2,147,477 km (0.113 R)
• M9: 2,267,904 km (0.103 R)
• M10: 2,500,528 km (0.099 R)
• M11: 2,772,198 km (0.08 R)
• M12: 3,139,012 km (0.092 R)
• M13: 4,243,493 km (0.096 R)
• M14: 5,361,438 km (0.057 R)
• M15: 6,007,701 km (0.111 R)
• M16: 6,167,023 km (0.105 R)
• M17: 6,411,316 km (0.052 R)
• M18: 6,535,781 km (0.077 R)
• M19: 9,115,597 km (0.065 R)
• M20: 10,032,632 km (0.05 R)
• M21: 12,494,265 km (0.11 R)
• M22: 13,829,276 km (0.082 R)
• M23: 17,254,918 km (0.109 R)
• M24: 18,651,713 km (0.077 R)
• M25: 21,949,000 km (0.103 R)
• M26: 22,422,477 km (0.101 R)
• M27: 24,485,282 km (0.119 R)
• M28: 29,553,059 km (0.092 R)
• M29: 31,187,566 km (0.108 R)
• M30: 31,425,875 km (0.105 R)
• M31: 32,881,462 km (0.111 R)
• M32: 33,004,731 km (0.08 R)
• M33: 33,750,925 km (0.041 R)
• M34: 35,926,228 km (0.085 R)
• M35: 37,516,752 km (0.081 R)
• M36: 39,570,133 km (0.106 R)
• M37: 39,849,432 km (0.033 R)
• M38: 42,862,184 km (0.101 R)
• M39: 49,821,925 km (0.06 R)
• M40: 50,803,287 km (0.069 R)
• M41: 51,298,755 km (0.062 R)
• M42: 51,964,316 km (0.064 R)
• M43: 63,030,370 km (0.105 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 256 - 16,384 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit