🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.1

Radius: 10.1

Gravity: 8.62 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.53 AU - 0.73 AU

Year: 333 Days

Day: 11.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 93,223,673 km

• M1: 127,607 km (0.086 R)
• M2: 494,271 km (0.098 R)
• M3: 1,148,762 km (0.044 R)
• M4: 1,475,185 km (0.109 R)
• M5: 2,084,796 km (0.074 R)
• M6: 2,773,993 km (0.081 R)
• M7: 3,106,849 km (0.098 R)
• M8: 3,443,145 km (0.118 R)
• M9: 3,779,141 km (0.099 R)
• M10: 4,110,650 km (0.114 R)
• M11: 4,434,081 km (0.106 R)
• M12: 5,162,772 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.6

Radius: 11.6

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.57 AU - 0.71 AU

Year: 341 Days

Day: 12.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 93,223,673 km

• M1: 144,212 km (0.078 R)
• M2: 654,491 km (0.103 R)
• M3: 1,203,664 km (0.097 R)
• M4: 1,674,449 km (0.082 R)
• M5: 2,081,206 km (0.11 R)
• M6: 2,925,686 km (0.098 R)
• M7: 3,410,682 km (0.081 R)
• M8: 3,863,365 km (0.108 R)
• M9: 4,395,784 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.9

Radius: 10.9

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.56 AU - 0.82 AU

Year: 382 Days

Day: 12.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 93,223,673 km

• M1: 136,284 km (0.116 R)
• M2: 568,472 km (0.081 R)
• M3: 1,069,326 km (0.116 R)
• M4: 1,533,977 km (0.08 R)
• M5: 1,909,018 km (0.09 R)
• M6: 2,328,192 km (0.059 R)
• M7: 2,920,749 km (0.06 R)
• M8: 3,599,474 km (0.116 R)
• M9: 4,631,400 km (0.06 R)
• M10: 5,132,105 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.3

Radius: 10

Gravity: 9.71 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.73 AU - 0.89 AU

Year: 486 Days

Day: 6.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 93,223,673 km

• M1: 124,316 km (0.091 R)
• M2: 472,729 km (0.041 R)
• M3: 979,268 km (0.099 R)
• M4: 1,297,014 km (0.072 R)
• M5: 2,024,508 km (0.118 R)
• M6: 3,169,829 km (0.107 R)
• M7: 3,911,984 km (0.11 R)
• M8: 4,733,875 km (0.075 R)
• M9: 5,400,932 km (0.116 R)
• M10: 6,225,067 km (0.057 R)
• M11: 7,067,602 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.6

Radius: 11.5

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.55 AU - 4.09 AU

Year: 4034 Days

Day: 10.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 93,223,673 km

• M1: 143,165 km (0.086 R)
• M2: 501,003 km (0.109 R)
• M3: 2,079,261 km (0.12 R)
• M4: 2,687,675 km (0.083 R)
• M5: 3,156,964 km (0.108 R)
• M6: 3,875,183 km (0.095 R)
• M7: 5,247,445 km (0.106 R)
• M8: 7,843,566 km (0.086 R)
• M9: 9,399,683 km (0.118 R)
• M10: 10,618,457 km (0.04 R)
• M11: 12,130,293 km (0.098 R)
• M12: 13,265,741 km (0.081 R)
• M13: 13,833,166 km (0.088 R)
• M14: 14,309,485 km (0.078 R)
• M15: 17,894,000 km (0.101 R)
• M16: 18,396,349 km (0.082 R)
• M17: 19,298,125 km (0.117 R)
• M18: 20,774,357 km (0.059 R)
• M19: 21,259,503 km (0.108 R)
• M20: 22,108,770 km (0.088 R)
• M21: 22,614,561 km (0.095 R)
• M22: 23,799,675 km (0.062 R)
• M23: 24,638,171 km (0.067 R)
• M24: 26,132,654 km (0.098 R)
• M25: 27,107,134 km (0.093 R)
• M26: 27,520,174 km (0.115 R)
• M27: 28,359,119 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.9

Radius: 10.7

Gravity: 7.73 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 3.5 AU - 5.2 AU

Year: 6050 Days

Day: 9.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 90.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 93,223,673 km

• M1: 135,087 km (0.076 R)
• M2: 497,712 km (0.109 R)
• M3: 1,088,325 km (0.088 R)
• M4: 1,595,611 km (0.084 R)
• M5: 2,223,623 km (0.115 R)
• M6: 2,678,849 km (0.119 R)
• M7: 3,324,364 km (0.061 R)
• M8: 3,778,543 km (0.068 R)
• M9: 4,351,952 km (0.037 R)
• M10: 5,610,369 km (0.084 R)
• M11: 6,563,307 km (0.115 R)
• M12: 6,987,866 km (0.108 R)
• M13: 7,659,261 km (0.117 R)
• M14: 8,050,460 km (0.108 R)
• M15: 9,481,663 km (0.103 R)
• M16: 10,025,301 km (0.068 R)
• M17: 10,541,713 km (0.071 R)
• M18: 11,026,560 km (0.073 R)
• M19: 12,198,210 km (0.092 R)
• M20: 13,060,941 km (0.114 R)
• M21: 13,848,724 km (0.095 R)
• M22: 15,272,746 km (0.103 R)
• M23: 17,588,222 km (0.056 R)
• M24: 19,544,064 km (0.113 R)
• M25: 19,908,036 km (0.113 R)
• M26: 22,823,698 km (0.104 R)
• M27: 23,472,056 km (0.059 R)
• M28: 25,925,311 km (0.103 R)
• M29: 27,259,126 km (0.037 R)
• M30: 36,347,495 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.9

Radius: 12.5

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 4.93 AU - 6.43 AU

Year: 9027 Days

Day: 7.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 61.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 93,223,673 km

• M1: 157,377 km (0.093 R)
• M2: 572,810 km (0.096 R)
• M3: 1,026,690 km (0.09 R)
• M4: 1,669,512 km (0.12 R)
• M5: 2,304,256 km (0.118 R)
• M6: 2,813,487 km (0.046 R)
• M7: 3,232,361 km (0.036 R)
• M8: 4,481,803 km (0.118 R)
• M9: 5,057,306 km (0.107 R)
• M10: 6,810,443 km (0.088 R)
• M11: 9,364,228 km (0.067 R)
• M12: 10,514,038 km (0.117 R)
• M13: 11,313,339 km (0.118 R)
• M14: 12,616,935 km (0.083 R)
• M15: 16,699,012 km (0.088 R)
• M16: 17,861,238 km (0.057 R)
• M17: 23,319,765 km (0.109 R)
• M18: 26,377,695 km (0.069 R)
• M19: 26,863,290 km (0.107 R)
• M20: 29,798,400 km (0.075 R)
• M21: 30,325,134 km (0.086 R)
• M22: 33,504,238 km (0.106 R)
• M23: 40,132,172 km (0.105 R)
• M24: 43,684,523 km (0.116 R)
• M25: 44,091,878 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 298.7

Radius: 6.3

Gravity: 7.53 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 6.12 AU - 6.72 AU

Year: 10848 Days

Day: 20.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 93,223,673 km

• M1: 81,381 km (0.104 R)
• M2: 305,479 km (0.071 R)
• M3: 720,912 km (0.044 R)
• M4: 1,230,293 km (0.075 R)
• M5: 1,791,584 km (0.061 R)
• M6: 2,474,498 km (0.083 R)
• M7: 2,915,662 km (0.097 R)
• M8: 3,661,857 km (0.08 R)
• M9: 4,156,726 km (0.081 R)
• M10: 4,667,005 km (0.111 R)
• M11: 5,188,204 km (0.096 R)
• M12: 8,185,846 km (0.057 R)
• M13: 8,474,869 km (0.098 R)
• M14: 9,029,727 km (0.119 R)
• M15: 10,164,427 km (0.079 R)
• M16: 11,442,292 km (0.096 R)
• M17: 12,713,575 km (0.111 R)
• M18: 13,842,740 km (0.036 R)
• M19: 19,247,860 km (0.118 R)
• M20: 20,430,132 km (0.109 R)
• M21: 21,817,353 km (0.03 R)
• M22: 25,296,102 km (0.051 R)
• M23: 26,086,877 km (0.099 R)
• M24: 27,257,929 km (0.077 R)
• M25: 30,191,393 km (0.052 R)
• M26: 37,575,395 km (0.109 R)
• M27: 37,802,335 km (0.028 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 107.4

Radius: 7.5

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 6.48 AU - 9.18 AU

Year: 14611 Days

Day: 16.2 Hours

Environment

Temp: -242 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 93,223,673 km

• M1: 93,349 km (0.072 R)
• M2: 441,912 km (0.094 R)
• M3: 717,920 km (0.103 R)
• M4: 1,397,693 km (0.113 R)
• M5: 2,959,046 km (0.118 R)
• M6: 3,809,510 km (0.081 R)
• M7: 7,225,876 km (0.081 R)
• M8: 9,721,318 km (0.112 R)
• M9: 10,900,898 km (0.093 R)
• M10: 11,623,306 km (0.115 R)
• M11: 15,303,264 km (0.091 R)
• M12: 16,085,810 km (0.063 R)
• M13: 24,610,645 km (0.117 R)
• M14: 26,615,556 km (0.118 R)
• M15: 30,947,611 km (0.115 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 858.4

Radius: 7.9

Gravity: 13.75 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 10.18 AU - 11.76 AU

Year: 24229 Days

Day: 17.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 93,223,673 km

• M1: 98,286 km (0.051 R)
• M2: 717,023 km (0.118 R)
• M3: 1,023,698 km (0.09 R)
• M4: 1,353,711 km (0.06 R)
• M5: 2,587,594 km (0.099 R)
• M6: 3,536,942 km (0.11 R)
• M7: 7,146,589 km (0.077 R)
• M8: 11,393,224 km (0.11 R)
• M9: 12,744,392 km (0.074 R)
• M10: 13,728,447 km (0.041 R)
• M11: 14,925,679 km (0.09 R)
• M12: 22,292,626 km (0.086 R)
• M13: 29,638,929 km (0.05 R)
• M14: 37,075,139 km (0.096 R)
• M15: 37,377,776 km (0.105 R)
• M16: 40,495,844 km (0.079 R)
• M17: 42,613,103 km (0.103 R)
• M18: 44,291,142 km (0.111 R)
• M19: 52,962,134 km (0.073 R)
• M20: 54,509,275 km (0.062 R)
• M21: 56,285,600 km (0.1 R)
• M22: 68,213,188 km (0.087 R)
• M23: 79,941,661 km (0.116 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 493 - 12,956 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit