🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.9

Radius: 11.2

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.61 AU - 0.97 AU

Year: 468 Days

Day: 10.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 59,670,467 km

• M1: 140,622 km (0.112 R)
• M2: 966,701 km (0.09 R)
• M3: 1,877,154 km (0.096 R)
• M4: 2,536,731 km (0.069 R)
• M5: 2,900,703 km (0.057 R)
• M6: 4,025,679 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.7

Radius: 9.8

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.11 AU - 1.17 AU

Year: 812 Days

Day: 6.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 59,670,467 km

• M1: 121,922 km (0.062 R)
• M2: 533,167 km (0.07 R)
• M3: 1,429,557 km (0.082 R)
• M4: 2,055,176 km (0.063 R)
• M5: 3,592,443 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.6

Radius: 10.9

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.82 AU - 2.06 AU

Year: 1802 Days

Day: 11.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,670,467 km

• M1: 140,024 km (0.057 R)
• M2: 488,587 km (0.105 R)
• M3: 1,401,134 km (0.068 R)
• M4: 1,769,892 km (0.09 R)
• M5: 2,241,574 km (0.1 R)
• M6: 3,474,111 km (0.057 R)
• M7: 4,873,001 km (0.063 R)
• M8: 5,452,394 km (0.065 R)
• M9: 6,776,185 km (0.086 R)
• M10: 7,384,600 km (0.038 R)
• M11: 8,211,128 km (0.114 R)
• M12: 9,296,460 km (0.063 R)
• M13: 10,048,040 km (0.069 R)
• M14: 10,438,790 km (0.092 R)
• M15: 10,876,663 km (0.077 R)
• M16: 11,946,288 km (0.107 R)
• M17: 12,304,574 km (0.119 R)
• M18: 13,295,212 km (0.092 R)
• M19: 14,607,334 km (0.066 R)

Asteroid Belt

Center: 2.46 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.3

Radius: 8.1

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.94 AU - 3.02 AU

Year: 3430 Days

Day: 8.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,670,467 km

• M1: 103,522 km (0.076 R)
• M2: 437,125 km (0.103 R)
• M3: 1,092,064 km (0.095 R)
• M4: 1,956,740 km (0.09 R)
• M5: 2,433,060 km (0.117 R)
• M6: 2,748,861 km (0.066 R)
• M7: 3,992,468 km (0.045 R)
• M8: 4,738,662 km (0.109 R)
• M9: 5,300,701 km (0.098 R)
• M10: 6,609,533 km (0.106 R)
• M11: 6,927,279 km (0.101 R)
• M12: 10,056,717 km (0.114 R)
• M13: 12,005,977 km (0.053 R)
• M14: 13,805,340 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.8

Radius: 10

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.01 AU - 4.65 AU

Year: 4998 Days

Day: 8.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 59,670,467 km

• M1: 126,560 km (0.103 R)
• M2: 455,376 km (0.109 R)
• M3: 1,134,999 km (0.107 R)
• M4: 1,515,726 km (0.086 R)
• M5: 2,338,813 km (0.115 R)
• M6: 2,965,030 km (0.045 R)
• M7: 4,109,902 km (0.054 R)
• M8: 4,647,407 km (0.104 R)
• M9: 5,231,138 km (0.119 R)
• M10: 5,891,763 km (0.102 R)
• M11: 6,953,459 km (0.106 R)
• M12: 7,856,282 km (0.106 R)
• M13: 8,209,782 km (0.072 R)
• M14: 8,648,103 km (0.103 R)
• M15: 9,531,928 km (0.035 R)
• M16: 10,390,320 km (0.073 R)
• M17: 11,980,695 km (0.116 R)
• M18: 12,882,621 km (0.101 R)
• M19: 13,475,178 km (0.097 R)
• M20: 14,397,897 km (0.095 R)
• M21: 14,821,259 km (0.075 R)
• M22: 21,041,838 km (0.096 R)
• M23: 21,587,422 km (0.071 R)
• M24: 22,707,012 km (0.111 R)
• M25: 23,281,169 km (0.052 R)
• M26: 24,758,896 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.4

Radius: 11.3

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 4.12 AU - 4.52 AU

Year: 5988 Days

Day: 8.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,670,467 km

• M1: 144,362 km (0.069 R)
• M2: 671,844 km (0.095 R)
• M3: 1,268,291 km (0.099 R)
• M4: 1,908,420 km (0.097 R)
• M5: 2,412,714 km (0.065 R)
• M6: 2,869,138 km (0.113 R)
• M7: 3,554,445 km (0.098 R)
• M8: 4,903,818 km (0.115 R)
• M9: 6,192,005 km (0.056 R)
• M10: 7,595,084 km (0.104 R)
• M11: 8,027,721 km (0.097 R)
• M12: 9,615,254 km (0.099 R)
• M13: 10,483,220 km (0.108 R)
• M14: 14,738,681 km (0.062 R)
• M15: 15,731,263 km (0.056 R)
• M16: 16,380,817 km (0.091 R)
• M17: 17,048,173 km (0.037 R)
• M18: 17,617,992 km (0.116 R)
• M19: 19,159,298 km (0.115 R)
• M20: 19,962,789 km (0.116 R)
• M21: 21,177,374 km (0.107 R)
• M22: 21,703,210 km (0.102 R)
• M23: 22,781,213 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 826.8

Radius: 5.4

Gravity: 28.35 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 6.28 AU - 7.94 AU

Year: 12643 Days

Day: 20.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 59,670,467 km

• M1: 67,169 km (0.111 R)
• M2: 456,872 km (0.096 R)
• M3: 667,805 km (0.085 R)
• M4: 1,333,964 km (0.052 R)
• M5: 1,581,848 km (0.11 R)
• M6: 2,918,056 km (0.111 R)
• M7: 4,265,933 km (0.067 R)
• M8: 4,905,913 km (0.107 R)
• M9: 6,137,552 km (0.115 R)
• M10: 6,741,478 km (0.101 R)
• M11: 8,256,007 km (0.095 R)
• M12: 9,041,546 km (0.058 R)
• M13: 10,703,578 km (0.114 R)
• M14: 14,688,716 km (0.116 R)
• M15: 14,899,948 km (0.084 R)
• M16: 16,285,075 km (0.092 R)
• M17: 17,047,575 km (0.098 R)
• M18: 17,833,562 km (0.092 R)
• M19: 21,130,550 km (0.099 R)
• M20: 22,314,018 km (0.059 R)
• M21: 22,874,861 km (0.081 R)
• M22: 25,718,567 km (0.057 R)
• M23: 26,335,060 km (0.082 R)
• M24: 30,015,466 km (0.042 R)
• M25: 34,024,540 km (0.107 R)
• M26: 34,394,495 km (0.083 R)
• M27: 38,110,656 km (0.1 R)
• M28: 42,941,171 km (0.045 R)
• M29: 47,393,503 km (0.11 R)
• M30: 48,164,381 km (0.104 R)
• M31: 49,414,869 km (0.063 R)
• M32: 50,686,900 km (0.062 R)
• M33: 57,550,450 km (0.107 R)
• M34: 57,725,181 km (0.095 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: 330 - 20,083 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit