🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402

Radius: 8.8

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.91 AU - 1.37 AU

Year: 812 Days

Day: 11.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,769,602 km

• M1: 109,506 km (0.103 R)
• M2: 398,230 km (0.07 R)
• M3: 682,615 km (0.045 R)
• M4: 1,122,134 km (0.096 R)
• M5: 1,601,296 km (0.108 R)
• M6: 1,884,933 km (0.076 R)
• M7: 2,202,380 km (0.105 R)
• M8: 2,899,805 km (0.075 R)
• M9: 3,560,429 km (0.111 R)
• M10: 3,848,704 km (0.12 R)
• M11: 4,614,346 km (0.039 R)
• M12: 5,807,539 km (0.053 R)
• M13: 6,587,093 km (0.083 R)
• M14: 7,303,069 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.6

Radius: 9.9

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.12 AU - 1.39 AU

Year: 932 Days

Day: 8.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,769,602 km

• M1: 123,119 km (0.113 R)
• M2: 515,514 km (0.056 R)
• M3: 831,914 km (0.066 R)
• M4: 1,147,864 km (0.054 R)
• M5: 1,463,067 km (0.067 R)
• M6: 1,874,312 km (0.096 R)
• M7: 2,570,690 km (0.086 R)
• M8: 2,882,003 km (0.059 R)
• M9: 3,318,081 km (0.111 R)
• M10: 4,125,460 km (0.106 R)
• M11: 4,795,061 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.3

Radius: 12

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.39 AU - 2.05 AU

Year: 1504 Days

Day: 12.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,769,602 km

• M1: 149,299 km (0.077 R)
• M2: 555,457 km (0.078 R)
• M3: 1,144,573 km (0.116 R)
• M4: 1,546,543 km (0.07 R)
• M5: 2,098,709 km (0.107 R)
• M6: 2,635,466 km (0.065 R)
• M7: 3,173,420 km (0.078 R)
• M8: 3,935,471 km (0.082 R)
• M9: 4,452,781 km (0.065 R)
• M10: 5,494,431 km (0.111 R)
• M11: 5,913,305 km (0.086 R)
• M12: 6,593,975 km (0.106 R)
• M13: 7,170,525 km (0.105 R)
• M14: 7,564,416 km (0.118 R)
• M15: 8,224,741 km (0.108 R)
• M16: 8,744,893 km (0.062 R)
• M17: 10,438,640 km (0.096 R)
• M18: 11,257,838 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.5

Radius: 11.7

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.68 AU - 2.14 AU

Year: 1760 Days

Day: 11.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 51,769,602 km

• M1: 145,708 km (0.101 R)
• M2: 620,233 km (0.104 R)
• M3: 2,218,536 km (0.106 R)
• M4: 2,788,804 km (0.111 R)
• M5: 3,384,053 km (0.109 R)
• M6: 5,184,613 km (0.096 R)
• M7: 5,758,620 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.6

Radius: 8.8

Gravity: 9.72 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.89 AU - 2.31 AU

Year: 2029 Days

Day: 6.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,769,602 km

• M1: 109,506 km (0.059 R)
• M2: 400,922 km (0.119 R)
• M3: 702,811 km (0.103 R)
• M4: 1,033,272 km (0.073 R)
• M5: 1,545,196 km (0.089 R)
• M6: 1,998,029 km (0.112 R)
• M7: 2,523,267 km (0.084 R)
• M8: 3,026,365 km (0.037 R)
• M9: 3,775,102 km (0.104 R)
• M10: 4,193,378 km (0.086 R)
• M11: 4,834,854 km (0.104 R)
• M12: 6,765,863 km (0.113 R)
• M13: 7,155,117 km (0.041 R)
• M14: 7,766,972 km (0.08 R)
• M15: 9,535,368 km (0.088 R)
• M16: 10,421,736 km (0.105 R)
• M17: 11,093,281 km (0.1 R)
• M18: 11,439,749 km (0.114 R)
• M19: 12,316,991 km (0.105 R)
• M20: 15,550,549 km (0.116 R)
• M21: 17,029,474 km (0.045 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.2

Radius: 10.6

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.11 AU - 2.35 AU

Year: 2221 Days

Day: 10.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,769,602 km

• M1: 131,796 km (0.094 R)
• M2: 549,174 km (0.088 R)
• M3: 925,861 km (0.107 R)
• M4: 1,380,489 km (0.085 R)
• M5: 2,725,224 km (0.073 R)
• M6: 3,168,932 km (0.098 R)
• M7: 3,758,198 km (0.092 R)
• M8: 4,836,200 km (0.073 R)
• M9: 5,197,030 km (0.078 R)
• M10: 6,998,488 km (0.075 R)
• M11: 7,835,338 km (0.12 R)
• M12: 9,865,082 km (0.094 R)
• M13: 12,150,339 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.2

Radius: 11

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.47 AU - 2.67 AU

Year: 2747 Days

Day: 8.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,769,602 km

• M1: 136,882 km (0.102 R)
• M2: 643,420 km (0.12 R)
• M3: 1,165,816 km (0.1 R)
• M4: 1,641,687 km (0.103 R)
• M5: 2,851,784 km (0.047 R)
• M6: 4,732,080 km (0.069 R)
• M7: 5,535,869 km (0.043 R)
• M8: 6,086,240 km (0.101 R)
• M9: 7,065,358 km (0.087 R)
• M10: 9,613,608 km (0.079 R)
• M11: 10,372,817 km (0.093 R)
• M12: 10,786,306 km (0.108 R)
• M13: 11,171,670 km (0.103 R)
• M14: 11,606,102 km (0.064 R)
• M15: 12,509,075 km (0.07 R)
• M16: 14,361,994 km (0.11 R)
• M17: 16,040,482 km (0.067 R)
• M18: 17,580,143 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 434.2

Radius: 3

Gravity: 48.24 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 5.15 AU - 8.43 AU

Year: 11799 Days

Day: 18.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 51,769,602 km

• M1: 38,447 km (0.097 R)
• M2: 147,803 km (0.08 R)
• M3: 255,064 km (0.103 R)
• M4: 383,270 km (0.108 R)
• M5: 951,592 km (0.12 R)
• M6: 1,204,712 km (0.102 R)
• M7: 1,353,562 km (0.072 R)
• M8: 1,459,477 km (0.102 R)
• M9: 1,673,252 km (0.11 R)
• M10: 3,088,897 km (0.106 R)
• M11: 3,897,324 km (0.043 R)
• M12: 4,929,549 km (0.111 R)
• M13: 5,278,112 km (0.087 R)
• M14: 5,375,949 km (0.11 R)
• M15: 6,915,162 km (0.112 R)
• M16: 7,392,080 km (0.072 R)
• M17: 7,680,205 km (0.103 R)
• M18: 8,191,531 km (0.107 R)
• M19: 8,500,001 km (0.108 R)
• M20: 8,862,028 km (0.113 R)
• M21: 9,519,960 km (0.097 R)
• M22: 10,159,640 km (0.1 R)
• M23: 10,827,445 km (0.072 R)
• M24: 13,184,360 km (0.043 R)
• M25: 13,304,337 km (0.097 R)
• M26: 14,545,401 km (0.053 R)
• M27: 19,650,877 km (0.103 R)
• M28: 22,429,358 km (0.103 R)
• M29: 23,734,301 km (0.102 R)
• M30: 26,398,938 km (0.097 R)
• M31: 30,496,573 km (0.091 R)
• M32: 32,312,990 km (0.037 R)
• M33: 34,426,958 km (0.078 R)
• M34: 34,768,939 km (0.106 R)
• M35: 43,671,807 km (0.116 R)
• M36: 44,610,683 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 580.6

Radius: 3.3

Gravity: 53.31 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 5.41 AU - 8.47 AU

Year: 12192 Days

Day: 19.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 153.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 51,769,602 km

• M1: 41,588 km (0.104 R)
• M2: 147,055 km (0.098 R)
• M3: 357,988 km (0.057 R)
• M4: 499,806 km (0.114 R)
• M5: 614,698 km (0.117 R)
• M6: 811,120 km (0.101 R)
• M7: 1,508,695 km (0.116 R)
• M8: 2,056,223 km (0.095 R)
• M9: 2,394,613 km (0.118 R)
• M10: 4,125,161 km (0.057 R)
• M11: 4,945,855 km (0.12 R)
• M12: 7,189,374 km (0.11 R)
• M13: 7,569,203 km (0.102 R)
• M14: 7,742,288 km (0.103 R)
• M15: 10,238,628 km (0.112 R)
• M16: 10,611,127 km (0.117 R)
• M17: 11,214,455 km (0.092 R)
• M18: 15,949,975 km (0.117 R)
• M19: 17,182,512 km (0.089 R)
• M20: 19,268,355 km (0.074 R)
• M21: 21,776,812 km (0.066 R)
• M22: 22,039,058 km (0.099 R)
• M23: 22,659,141 km (0.108 R)
• M24: 24,306,812 km (0.091 R)
• M25: 25,159,819 km (0.075 R)
• M26: 26,130,709 km (0.07 R)
• M27: 26,725,211 km (0.078 R)
• M28: 28,771,710 km (0.053 R)
• M29: 29,833,107 km (0.098 R)
• M30: 31,362,446 km (0.117 R)
• M31: 35,533,533 km (0.116 R)
• M32: 37,751,172 km (0.097 R)
• M33: 38,129,505 km (0.105 R)
• M34: 41,114,731 km (0.03 R)
• M35: 44,954,459 km (0.053 R)
• M36: 45,379,467 km (0.107 R)
• M37: 47,398,440 km (0.109 R)
• M38: 50,233,170 km (0.107 R)
• M39: 50,997,615 km (0.071 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: 307 - 12,991 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit