🌌 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: 626.5

Radius: 13.2

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.71 AU - 0.79 AU

Year: 441 Days

Day: 5.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,232,171 km

• M1: 164,408 km (0.081 R)
• M2: 578,944 km (0.077 R)
• M3: 1,097,300 km (0.11 R)
• M4: 1,778,120 km (0.117 R)
• M5: 2,242,921 km (0.068 R)
• M6: 2,698,895 km (0.108 R)
• M7: 3,161,153 km (0.106 R)
• M8: 3,788,865 km (0.079 R)
• M9: 4,427,947 km (0.106 R)
• M10: 5,327,031 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.7

Radius: 9.2

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.11 AU - 1.55 AU

Year: 1040 Days

Day: 12.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,232,171 km

• M1: 115,490 km (0.073 R)
• M2: 413,339 km (0.118 R)
• M3: 908,508 km (0.116 R)
• M4: 1,225,356 km (0.09 R)
• M5: 1,825,244 km (0.098 R)
• M6: 2,151,816 km (0.091 R)
• M7: 2,949,771 km (0.092 R)
• M8: 4,449,340 km (0.081 R)
• M9: 5,777,021 km (0.095 R)
• M10: 6,125,734 km (0.087 R)
• M11: 7,614,980 km (0.066 R)
• M12: 8,034,752 km (0.11 R)
• M13: 8,443,902 km (0.095 R)
• M14: 8,947,748 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.5

Radius: 10.5

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.16 AU - 1.92 AU

Year: 1296 Days

Day: 10.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,232,171 km

• M1: 130,599 km (0.086 R)
• M2: 545,583 km (0.094 R)
• M3: 951,891 km (0.066 R)
• M4: 1,701,227 km (0.059 R)
• M5: 2,309,941 km (0.093 R)
• M6: 2,646,386 km (0.114 R)
• M7: 3,341,867 km (0.046 R)
• M8: 3,774,953 km (0.103 R)
• M9: 5,872,165 km (0.064 R)
• M10: 7,131,480 km (0.097 R)
• M11: 9,564,839 km (0.075 R)
• M12: 11,125,145 km (0.101 R)
• M13: 11,656,965 km (0.106 R)
• M14: 12,317,589 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.5

Radius: 8.4

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.51 AU - 2.15 AU

Year: 1679 Days

Day: 6.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,232,171 km

• M1: 104,419 km (0.11 R)
• M2: 474,674 km (0.053 R)
• M3: 749,336 km (0.117 R)
• M4: 1,227,600 km (0.106 R)
• M5: 2,107,684 km (0.083 R)
• M6: 2,819,770 km (0.067 R)
• M7: 3,342,615 km (0.049 R)
• M8: 3,979,004 km (0.117 R)
• M9: 4,380,076 km (0.113 R)
• M10: 4,924,014 km (0.089 R)
• M11: 5,304,441 km (0.104 R)
• M12: 5,682,625 km (0.062 R)
• M13: 6,683,584 km (0.062 R)
• M14: 7,824,417 km (0.119 R)
• M15: 9,510,086 km (0.091 R)
• M16: 10,132,862 km (0.118 R)
• M17: 10,848,838 km (0.112 R)
• M18: 11,390,531 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.8

Radius: 9.7

Gravity: 6.41 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.77 AU - 3.81 AU

Year: 4047 Days

Day: 9.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,232,171 km

• M1: 138,228 km (0.112 R)
• M2: 775,964 km (0.101 R)
• M3: 1,721,423 km (0.102 R)
• M4: 2,208,065 km (0.092 R)
• M5: 2,956,503 km (0.119 R)
• M6: 3,740,096 km (0.117 R)
• M7: 4,214,471 km (0.086 R)
• M8: 4,584,277 km (0.032 R)
• M9: 5,128,215 km (0.114 R)
• M10: 5,882,188 km (0.082 R)
• M11: 6,434,803 km (0.067 R)
• M12: 8,089,954 km (0.115 R)
• M13: 8,481,302 km (0.03 R)
• M14: 9,110,810 km (0.082 R)
• M15: 9,652,503 km (0.059 R)
• M16: 11,057,377 km (0.094 R)
• M17: 11,584,261 km (0.05 R)
• M18: 13,217,421 km (0.119 R)
• M19: 14,682,582 km (0.105 R)
• M20: 18,112,861 km (0.081 R)
• M21: 21,974,880 km (0.07 R)
• M22: 23,303,908 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839

Radius: 11.3

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.88 AU - 4.76 AU

Year: 5064 Days

Day: 5.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,232,171 km

• M1: 142,118 km (0.077 R)
• M2: 561,590 km (0.109 R)
• M3: 948,301 km (0.095 R)
• M4: 1,393,205 km (0.066 R)
• M5: 1,783,805 km (0.033 R)
• M6: 2,810,944 km (0.112 R)
• M7: 3,530,211 km (0.076 R)
• M8: 4,171,537 km (0.104 R)
• M9: 6,974,253 km (0.074 R)
• M10: 8,565,525 km (0.103 R)
• M11: 12,401,364 km (0.11 R)
• M12: 13,936,687 km (0.096 R)
• M13: 14,951,260 km (0.113 R)
• M14: 16,196,363 km (0.086 R)
• M15: 17,767,440 km (0.118 R)
• M16: 20,560,133 km (0.093 R)
• M17: 23,869,537 km (0.118 R)
• M18: 24,266,719 km (0.061 R)
• M19: 27,692,660 km (0.088 R)
• M20: 28,219,544 km (0.029 R)
• M21: 30,767,944 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439

Radius: 13.4

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 4.18 AU - 4.98 AU

Year: 6648 Days

Day: 7.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 124.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,232,171 km

• M1: 166,652 km (0.066 R)
• M2: 655,837 km (0.115 R)
• M3: 1,192,744 km (0.112 R)
• M4: 1,804,749 km (0.112 R)
• M5: 2,691,116 km (0.1 R)
• M6: 4,199,212 km (0.064 R)
• M7: 4,934,635 km (0.103 R)
• M8: 6,057,517 km (0.084 R)
• M9: 6,829,143 km (0.09 R)
• M10: 7,414,669 km (0.086 R)
• M11: 10,999,034 km (0.119 R)
• M12: 16,440,208 km (0.087 R)
• M13: 23,452,757 km (0.054 R)
• M14: 26,928,215 km (0.092 R)
• M15: 27,869,635 km (0.11 R)
• M16: 29,637,433 km (0.057 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.1

Radius: 13.8

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 4.33 AU - 6.63 AU

Year: 8701 Days

Day: 10.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,232,171 km

• M1: 171,738 km (0.116 R)
• M2: 1,184,666 km (0.064 R)
• M3: 1,777,821 km (0.05 R)
• M4: 2,947,228 km (0.091 R)
• M5: 4,437,522 km (0.087 R)
• M6: 5,996,631 km (0.08 R)
• M7: 6,676,254 km (0.112 R)
• M8: 7,648,490 km (0.117 R)
• M9: 9,634,103 km (0.092 R)
• M10: 12,674,231 km (0.102 R)
• M11: 13,434,786 km (0.069 R)
• M12: 18,430,757 km (0.067 R)
• M13: 20,896,429 km (0.026 R)
• M14: 22,629,520 km (0.074 R)
• M15: 23,487,763 km (0.107 R)
• M16: 27,427,124 km (0.076 R)
• M17: 30,217,124 km (0.082 R)
• M18: 36,239,187 km (0.064 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 439.9

Radius: 4.9

Gravity: 18.32 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 5.38 AU - 6.82 AU

Year: 10218 Days

Day: 19 Hours

Environment

Temp: -233 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 34,232,171 km

• M1: 62,382 km (0.104 R)
• M2: 454,478 km (0.112 R)
• M3: 640,129 km (0.054 R)
• M4: 867,368 km (0.087 R)
• M5: 1,370,316 km (0.085 R)
• M6: 1,580,202 km (0.04 R)
• M7: 1,903,783 km (0.118 R)
• M8: 2,165,878 km (0.115 R)
• M9: 2,682,290 km (0.108 R)
• M10: 3,231,763 km (0.092 R)
• M11: 3,461,994 km (0.115 R)
• M12: 4,033,308 km (0.09 R)
• M13: 5,142,128 km (0.085 R)
• M14: 10,787,652 km (0.116 R)
• M15: 13,233,577 km (0.063 R)
• M16: 14,553,928 km (0.105 R)
• M17: 15,502,977 km (0.097 R)
• M18: 16,492,567 km (0.06 R)
• M19: 17,734,828 km (0.087 R)
• M20: 21,190,239 km (0.112 R)
• M21: 22,991,098 km (0.061 R)
• M22: 23,159,695 km (0.098 R)
• M23: 24,450,725 km (0.104 R)
• M24: 25,337,541 km (0.117 R)
• M25: 25,970,789 km (0.07 R)
• M26: 27,081,104 km (0.057 R)
• M27: 34,857,052 km (0.055 R)
• M28: 39,975,543 km (0.094 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 193.9

Radius: 7.7

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 5.45 AU - 7.63 AU

Year: 11344 Days

Day: 23.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,232,171 km

• M1: 96,939 km (0.076 R)
• M2: 622,776 km (0.091 R)
• M3: 911,201 km (0.109 R)
• M4: 1,322,445 km (0.109 R)
• M5: 2,642,946 km (0.12 R)
• M6: 3,396,769 km (0.118 R)
• M7: 3,966,139 km (0.098 R)
• M8: 4,286,428 km (0.071 R)
• M9: 5,652,256 km (0.084 R)
• M10: 5,899,990 km (0.074 R)
• M11: 6,318,266 km (0.104 R)
• M12: 7,506,223 km (0.052 R)
• M13: 11,261,129 km (0.031 R)
• M14: 14,382,190 km (0.08 R)
• M15: 17,903,424 km (0.049 R)
• M16: 26,851,172 km (0.118 R)
• M17: 29,179,065 km (0.101 R)
• M18: 29,921,519 km (0.112 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 481 - 13,077 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit