🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.5

Radius: 10.7

Gravity: 7.51 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.72 AU - 1.16 AU

Year: 588 Days

Day: 13.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,654,658 km

• M1: 133,142 km (0.059 R)
• M2: 497,862 km (0.117 R)
• M3: 931,247 km (0.088 R)
• M4: 1,468,901 km (0.053 R)
• M5: 1,904,082 km (0.064 R)
• M6: 2,273,888 km (0.09 R)
• M7: 2,884,845 km (0.111 R)
• M8: 3,494,756 km (0.03 R)
• M9: 4,203,850 km (0.067 R)
• M10: 5,091,863 km (0.077 R)
• M11: 5,426,214 km (0.103 R)
• M12: 6,003,512 km (0.076 R)
• M13: 6,377,357 km (0.096 R)
• M14: 6,745,817 km (0.047 R)
• M15: 7,171,872 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.8

Radius: 8

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.45 AU - 2.15 AU

Year: 1559 Days

Day: 14.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,654,658 km

• M1: 99,483 km (0.11 R)
• M2: 537,356 km (0.103 R)
• M3: 786,286 km (0.056 R)
• M4: 1,128,417 km (0.05 R)
• M5: 1,510,041 km (0.105 R)
• M6: 2,140,746 km (0.06 R)
• M7: 2,975,801 km (0.095 R)
• M8: 3,394,076 km (0.096 R)
• M9: 4,313,954 km (0.051 R)
• M10: 5,193,440 km (0.081 R)
• M11: 5,552,475 km (0.071 R)
• M12: 5,992,143 km (0.08 R)
• M13: 6,409,820 km (0.102 R)
• M14: 8,935,630 km (0.092 R)
• M15: 10,140,342 km (0.12 R)
• M16: 10,481,276 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.8

Radius: 8.1

Gravity: 13.29 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.98 AU - 2.02 AU

Year: 1826 Days

Day: 5.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,654,658 km

• M1: 100,829 km (0.109 R)
• M2: 369,806 km (0.084 R)
• M3: 725,550 km (0.075 R)
• M4: 1,132,755 km (0.103 R)
• M5: 1,535,921 km (0.116 R)
• M6: 1,848,431 km (0.056 R)
• M7: 2,279,572 km (0.079 R)
• M8: 2,561,116 km (0.084 R)
• M9: 4,296,152 km (0.074 R)
• M10: 4,664,910 km (0.078 R)
• M11: 4,966,201 km (0.118 R)
• M12: 5,752,637 km (0.087 R)
• M13: 6,808,199 km (0.117 R)
• M14: 7,196,705 km (0.099 R)
• M15: 8,017,997 km (0.082 R)
• M16: 8,738,311 km (0.097 R)
• M17: 9,672,550 km (0.081 R)
• M18: 11,817,185 km (0.111 R)
• M19: 12,624,864 km (0.103 R)
• M20: 13,773,027 km (0.098 R)
• M21: 15,504,922 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131

Radius: 14.6

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.59 AU - 3.47 AU

Year: 3405 Days

Day: 11 Hours

Environment

Temp: -198 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,654,658 km

• M1: 181,761 km (0.099 R)
• M2: 838,346 km (0.064 R)
• M3: 1,321,099 km (0.078 R)
• M4: 2,104,094 km (0.068 R)
• M5: 2,616,168 km (0.106 R)
• M6: 3,863,963 km (0.099 R)
• M7: 4,797,454 km (0.054 R)
• M8: 6,199,785 km (0.06 R)
• M9: 7,009,408 km (0.084 R)
• M10: 7,916,271 km (0.113 R)
• M11: 8,960,464 km (0.115 R)
• M12: 10,628,480 km (0.099 R)
• M13: 11,680,602 km (0.062 R)
• M14: 13,348,020 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.8

Radius: 8.5

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.88 AU - 3.48 AU

Year: 3661 Days

Day: 5 Hours

Environment

Temp: -202 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,654,658 km

• M1: 106,065 km (0.114 R)
• M2: 441,164 km (0.107 R)
• M3: 750,084 km (0.078 R)
• M4: 1,242,560 km (0.077 R)
• M5: 1,913,058 km (0.076 R)
• M6: 2,586,697 km (0.098 R)
• M7: 4,139,373 km (0.062 R)
• M8: 4,530,123 km (0.117 R)
• M9: 5,089,320 km (0.082 R)
• M10: 5,538,263 km (0.108 R)
• M11: 7,321,021 km (0.081 R)
• M12: 10,174,450 km (0.028 R)
• M13: 11,976,207 km (0.105 R)
• M14: 12,546,923 km (0.109 R)
• M15: 13,135,740 km (0.081 R)
• M16: 13,507,192 km (0.059 R)
• M17: 13,933,246 km (0.106 R)
• M18: 14,564,699 km (0.073 R)
• M19: 16,735,364 km (0.031 R)
• M20: 17,007,333 km (0.118 R)
• M21: 17,448,647 km (0.103 R)
• M22: 19,172,164 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.3

Radius: 14.6

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 3.85 AU - 4.13 AU

Year: 5146 Days

Day: 13.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,654,658 km

• M1: 181,612 km (0.072 R)
• M2: 726,896 km (0.103 R)
• M3: 1,477,728 km (0.032 R)
• M4: 2,124,290 km (0.095 R)
• M5: 2,784,016 km (0.085 R)
• M6: 3,266,470 km (0.069 R)
• M7: 4,019,396 km (0.109 R)
• M8: 5,037,559 km (0.079 R)
• M9: 5,788,839 km (0.049 R)
• M10: 6,280,867 km (0.073 R)
• M11: 7,087,498 km (0.09 R)
• M12: 8,103,268 km (0.118 R)
• M13: 9,252,778 km (0.119 R)
• M14: 9,927,763 km (0.076 R)
• M15: 16,685,698 km (0.102 R)
• M16: 18,604,440 km (0.11 R)
• M17: 19,488,563 km (0.053 R)
• M18: 20,400,512 km (0.116 R)
• M19: 22,029,932 km (0.092 R)
• M20: 23,965,130 km (0.06 R)
• M21: 25,546,828 km (0.04 R)
• M22: 26,089,270 km (0.047 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.6

Radius: 11.1

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 3.48 AU - 5.02 AU

Year: 5657 Days

Day: 12.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,654,658 km

• M1: 138,079 km (0.081 R)
• M2: 515,365 km (0.065 R)
• M3: 922,121 km (0.114 R)
• M4: 1,327,232 km (0.044 R)
• M5: 2,309,342 km (0.119 R)
• M6: 2,709,965 km (0.045 R)
• M7: 3,324,065 km (0.028 R)
• M8: 4,803,438 km (0.08 R)
• M9: 5,643,580 km (0.091 R)
• M10: 6,477,737 km (0.11 R)
• M11: 7,465,981 km (0.119 R)
• M12: 8,231,324 km (0.12 R)
• M13: 9,132,800 km (0.069 R)
• M14: 10,281,712 km (0.108 R)
• M15: 11,574,088 km (0.063 R)
• M16: 12,652,090 km (0.098 R)
• M17: 15,486,372 km (0.065 R)
• M18: 15,976,155 km (0.096 R)
• M19: 26,572,771 km (0.062 R)
• M20: 26,922,530 km (0.037 R)
• M21: 29,644,464 km (0.114 R)
• M22: 32,246,569 km (0.076 R)
• M23: 32,744,580 km (0.082 R)
• M24: 33,552,110 km (0.039 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.6

Radius: 8

Gravity: 10.38 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 4.3 AU - 6.26 AU

Year: 7834 Days

Day: 13.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,654,658 km

• M1: 99,483 km (0.054 R)
• M2: 608,265 km (0.096 R)
• M3: 982,559 km (0.061 R)
• M4: 2,522,519 km (0.073 R)
• M5: 3,058,379 km (0.102 R)
• M6: 6,468,762 km (0.092 R)
• M7: 9,732,688 km (0.077 R)
• M8: 10,398,997 km (0.1 R)
• M9: 11,095,375 km (0.084 R)
• M10: 12,035,897 km (0.06 R)
• M11: 14,926,427 km (0.031 R)
• M12: 17,410,948 km (0.085 R)
• M13: 18,896,156 km (0.117 R)
• M14: 21,955,283 km (0.049 R)
• M15: 24,026,166 km (0.12 R)
• M16: 24,628,597 km (0.096 R)
• M17: 26,314,565 km (0.101 R)
• M18: 27,232,198 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 11.4

Radius: 3.4

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 5.96 AU - 6.74 AU

Year: 10332 Days

Day: 24.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,654,658 km

• M1: 45,029 km (0.103 R)
• M2: 333,902 km (0.104 R)
• M3: 678,726 km (0.027 R)
• M4: 1,908,570 km (0.071 R)
• M5: 5,688,609 km (0.12 R)
• M6: 8,711,682 km (0.105 R)
• M7: 12,284,080 km (0.115 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 688.4

Radius: 4.7

Gravity: 31.16 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 6.24 AU - 9.2 AU

Year: 13850 Days

Day: 16.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 59,654,658 km

• M1: 58,493 km (0.097 R)
• M2: 441,912 km (0.083 R)
• M3: 667,356 km (0.118 R)
• M4: 831,914 km (0.112 R)
• M5: 1,409,212 km (0.107 R)
• M6: 1,816,717 km (0.099 R)
• M7: 1,974,841 km (0.091 R)
• M8: 2,380,252 km (0.096 R)
• M9: 3,226,377 km (0.056 R)
• M10: 4,829,917 km (0.045 R)
• M11: 5,274,821 km (0.115 R)
• M12: 6,050,486 km (0.114 R)
• M13: 10,246,706 km (0.113 R)
• M14: 10,921,841 km (0.04 R)
• M15: 11,388,288 km (0.102 R)
• M16: 12,112,491 km (0.117 R)
• M17: 12,739,156 km (0.112 R)
• M18: 15,245,968 km (0.079 R)
• M19: 16,805,675 km (0.094 R)
• M20: 17,426,806 km (0.073 R)
• M21: 20,852,447 km (0.118 R)
• M22: 21,298,548 km (0.034 R)
• M23: 23,818,823 km (0.05 R)
• M24: 27,478,586 km (0.056 R)
• M25: 28,997,602 km (0.058 R)
• M26: 33,401,165 km (0.116 R)
• M27: 42,071,858 km (0.085 R)
• M28: 51,640,287 km (0.107 R)
• M29: 55,125,918 km (0.096 R)
• M30: 55,465,954 km (0.07 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 282 - 20,158 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit