🌌 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: 736.4

Radius: 14.7

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.68 AU - 0.82 AU

Year: 419 Days

Day: 7.8 Hours

Environment

Temp: -138 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,957,569 km

• M1: 182,958 km (0.12 R)
• M2: 713,283 km (0.096 R)
• M3: 1,321,099 km (0.064 R)
• M4: 1,782,309 km (0.101 R)
• M5: 2,567,698 km (0.1 R)
• M6: 3,213,063 km (0.098 R)
• M7: 4,044,229 km (0.108 R)
• M8: 5,061,345 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.2

Radius: 12.9

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.15 AU - 1.36 AU

Year: 902 Days

Day: 10.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,957,569 km

• M1: 160,369 km (0.029 R)
• M2: 588,368 km (0.079 R)
• M3: 1,279,660 km (0.08 R)
• M4: 1,846,636 km (0.076 R)
• M5: 2,409,124 km (0.055 R)
• M6: 2,917,308 km (0.077 R)
• M7: 3,341,418 km (0.104 R)
• M8: 3,883,411 km (0.093 R)
• M9: 4,621,677 km (0.118 R)
• M10: 5,709,253 km (0.098 R)
• M11: 6,553,883 km (0.046 R)
• M12: 7,504,577 km (0.1 R)
• M13: 7,975,362 km (0.081 R)
• M14: 9,766,198 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.3

Radius: 11.6

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.84 AU - 2.34 AU

Year: 1951 Days

Day: 13.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,957,569 km

• M1: 144,212 km (0.115 R)
• M2: 574,456 km (0.063 R)
• M3: 989,291 km (0.083 R)
• M4: 1,483,263 km (0.092 R)
• M5: 1,961,826 km (0.03 R)
• M6: 2,634,419 km (0.059 R)
• M7: 3,159,357 km (0.032 R)
• M8: 4,420,617 km (0.063 R)
• M9: 4,956,177 km (0.08 R)
• M10: 5,829,231 km (0.116 R)
• M11: 6,425,079 km (0.03 R)
• M12: 7,710,873 km (0.078 R)
• M13: 9,036,459 km (0.104 R)
• M14: 9,934,645 km (0.11 R)
• M15: 10,371,471 km (0.091 R)
• M16: 10,786,006 km (0.03 R)
• M17: 11,759,440 km (0.088 R)
• M18: 13,187,202 km (0.115 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 916.9

Radius: 3.4

Gravity: 79.32 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 5.04 AU - 7.54 AU

Year: 10186 Days

Day: 23.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 53,957,569 km

• M1: 59,839 km (0.105 R)
• M2: 277,953 km (0.056 R)
• M3: 457,021 km (0.062 R)
• M4: 762,650 km (0.106 R)
• M5: 877,242 km (0.091 R)
• M6: 1,082,341 km (0.099 R)
• M7: 1,279,211 km (0.087 R)
• M8: 3,944,896 km (0.06 R)
• M9: 4,057,992 km (0.047 R)
• M10: 5,590,024 km (0.072 R)
• M11: 7,555,740 km (0.1 R)
• M12: 7,774,601 km (0.115 R)
• M13: 8,739,956 km (0.111 R)
• M14: 8,884,169 km (0.064 R)
• M15: 9,029,877 km (0.102 R)
• M16: 9,226,748 km (0.088 R)
• M17: 11,526,666 km (0.083 R)
• M18: 13,088,019 km (0.072 R)
• M19: 18,370,619 km (0.082 R)
• M20: 21,520,402 km (0.082 R)
• M21: 21,871,508 km (0.092 R)
• M22: 27,606,791 km (0.075 R)
• M23: 28,650,835 km (0.119 R)
• M24: 30,375,548 km (0.083 R)
• M25: 32,627,146 km (0.062 R)
• M26: 32,974,213 km (0.117 R)
• M27: 34,866,776 km (0.092 R)
• M28: 35,108,376 km (0.105 R)
• M29: 35,717,090 km (0.096 R)
• M30: 44,283,214 km (0.081 R)
• M31: 46,437,423 km (0.071 R)
• M32: 47,614,459 km (0.049 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 876.5

Radius: 4.3

Gravity: 47.4 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 7.28 AU - 7.78 AU

Year: 13342 Days

Day: 20.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 53,957,569 km

• M1: 53,406 km (0.095 R)
• M2: 253,568 km (0.095 R)
• M3: 924,515 km (0.108 R)
• M4: 1,135,597 km (0.101 R)
• M5: 1,378,245 km (0.074 R)
• M6: 1,622,239 km (0.073 R)
• M7: 1,858,903 km (0.056 R)
• M8: 2,118,306 km (0.082 R)
• M9: 2,848,792 km (0.11 R)
• M10: 3,245,227 km (0.106 R)
• M11: 4,788,927 km (0.087 R)
• M12: 5,098,445 km (0.115 R)
• M13: 5,457,779 km (0.056 R)
• M14: 5,719,276 km (0.077 R)
• M15: 6,935,357 km (0.084 R)
• M16: 7,376,372 km (0.076 R)
• M17: 7,557,984 km (0.113 R)
• M18: 7,930,034 km (0.105 R)
• M19: 11,722,938 km (0.089 R)
• M20: 11,970,223 km (0.077 R)
• M21: 14,710,557 km (0.107 R)
• M22: 16,340,575 km (0.078 R)
• M23: 16,727,136 km (0.108 R)
• M24: 18,334,416 km (0.098 R)
• M25: 21,852,359 km (0.12 R)
• M26: 22,039,207 km (0.061 R)
• M27: 23,670,721 km (0.083 R)
• M28: 26,003,850 km (0.059 R)
• M29: 27,823,558 km (0.089 R)
• M30: 30,651,407 km (0.107 R)
• M31: 33,047,067 km (0.061 R)
• M32: 35,952,856 km (0.093 R)
• M33: 36,738,095 km (0.102 R)
• M34: 38,887,518 km (0.072 R)
• M35: 39,162,030 km (0.085 R)
• M36: 43,730,599 km (0.107 R)
• M37: 48,008,799 km (0.114 R)
• M38: 50,574,403 km (0.114 R)
• M39: 54,935,928 km (0.106 R)
• M40: 55,976,980 km (0.094 R)
• M41: 60,272,384 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 310

Radius: 5.4

Gravity: 10.63 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 7.84 AU - 10.38 AU

Year: 17754 Days

Day: 16.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 53,957,569 km

• M1: 67,319 km (0.047 R)
• M2: 249,080 km (0.102 R)
• M3: 566,228 km (0.038 R)
• M4: 1,288,636 km (0.078 R)
• M5: 1,934,300 km (0.064 R)
• M6: 2,280,021 km (0.036 R)
• M7: 2,752,900 km (0.057 R)
• M8: 2,954,708 km (0.067 R)
• M9: 3,142,453 km (0.111 R)
• M10: 5,210,643 km (0.093 R)
• M11: 5,952,798 km (0.083 R)
• M12: 6,329,935 km (0.042 R)
• M13: 6,643,043 km (0.09 R)
• M14: 8,600,232 km (0.112 R)
• M15: 8,790,820 km (0.116 R)
• M16: 9,033,168 km (0.104 R)
• M17: 9,890,514 km (0.068 R)
• M18: 13,160,873 km (0.096 R)
• M19: 14,527,898 km (0.105 R)
• M20: 16,640,968 km (0.095 R)
• M21: 17,617,094 km (0.09 R)
• M22: 20,603,666 km (0.113 R)
• M23: 20,859,628 km (0.074 R)
• M24: 24,288,411 km (0.101 R)
• M25: 26,036,462 km (0.066 R)
• M26: 27,555,778 km (0.085 R)
• M27: 27,970,613 km (0.107 R)
• M28: 29,455,671 km (0.075 R)
• M29: 33,279,542 km (0.074 R)
• M30: 34,464,208 km (0.102 R)
• M31: 37,930,241 km (0.041 R)
• M32: 38,572,764 km (0.109 R)
• M33: 48,947,825 km (0.077 R)
• M34: 52,515,585 km (0.112 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 295 - 14,908 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit