🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.4

Radius: 10.2

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.88 AU - 0.9 AU

Year: 569 Days

Day: 12.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,797,913 km

• M1: 126,859 km (0.056 R)
• M2: 480,808 km (0.033 R)
• M3: 872,754 km (0.049 R)
• M4: 1,192,445 km (0.032 R)
• M5: 1,702,424 km (0.1 R)
• M6: 2,030,492 km (0.077 R)
• M7: 2,410,770 km (0.12 R)
• M8: 2,947,826 km (0.034 R)
• M9: 3,389,439 km (0.056 R)
• M10: 4,037,647 km (0.094 R)
• M11: 4,464,898 km (0.107 R)
• M12: 5,427,560 km (0.109 R)
• M13: 6,352,674 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.9

Radius: 10.4

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.92 AU - 0.96 AU

Year: 618 Days

Day: 13.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,797,913 km

• M1: 131,945 km (0.063 R)
• M2: 540,647 km (0.103 R)
• M3: 1,250,788 km (0.074 R)
• M4: 1,838,408 km (0.108 R)
• M5: 2,218,836 km (0.117 R)
• M6: 2,753,199 km (0.12 R)
• M7: 3,455,412 km (0.082 R)
• M8: 3,803,825 km (0.026 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56

Radius: 9.5

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.57 AU - 2.03 AU

Year: 1638 Days

Day: 9.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,797,913 km

• M1: 118,332 km (0.068 R)
• M2: 881,879 km (0.096 R)
• M3: 1,424,621 km (0.093 R)
• M4: 2,195,798 km (0.053 R)
• M5: 2,918,206 km (0.106 R)
• M6: 4,197,118 km (0.067 R)
• M7: 4,661,769 km (0.11 R)
• M8: 5,096,201 km (0.086 R)
• M9: 6,227,759 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221

Radius: 14.6

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.8 AU - 2.86 AU

Year: 2412 Days

Day: 8.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,797,913 km

• M1: 182,360 km (0.057 R)
• M2: 636,988 km (0.066 R)
• M3: 1,092,214 km (0.118 R)
• M4: 2,225,568 km (0.084 R)
• M5: 2,867,043 km (0.099 R)
• M6: 3,520,038 km (0.11 R)
• M7: 4,009,522 km (0.104 R)
• M8: 4,657,281 km (0.076 R)
• M9: 5,937,091 km (0.103 R)
• M10: 6,443,928 km (0.108 R)
• M11: 8,422,510 km (0.116 R)
• M12: 9,707,406 km (0.117 R)
• M13: 10,545,453 km (0.109 R)
• M14: 11,016,537 km (0.102 R)
• M15: 12,292,756 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.4

Radius: 11

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.45 AU - 4.83 AU

Year: 5713 Days

Day: 13.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,797,913 km

• M1: 137,780 km (0.079 R)
• M2: 633,846 km (0.114 R)
• M3: 1,077,254 km (0.115 R)
• M4: 1,463,666 km (0.116 R)
• M5: 1,917,246 km (0.094 R)
• M6: 2,495,442 km (0.109 R)
• M7: 2,843,706 km (0.115 R)
• M8: 3,186,883 km (0.078 R)
• M9: 4,482,700 km (0.119 R)
• M10: 5,450,898 km (0.055 R)
• M11: 6,013,685 km (0.099 R)
• M12: 7,124,599 km (0.073 R)
• M13: 8,925,607 km (0.108 R)
• M14: 10,452,104 km (0.103 R)
• M15: 11,774,998 km (0.038 R)
• M16: 12,862,425 km (0.119 R)
• M17: 14,857,612 km (0.114 R)
• M18: 15,677,258 km (0.079 R)
• M19: 18,379,594 km (0.049 R)
• M20: 21,037,350 km (0.105 R)
• M21: 21,722,658 km (0.101 R)
• M22: 22,070,772 km (0.091 R)
• M23: 23,355,070 km (0.114 R)
• M24: 23,720,538 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.1

Radius: 10.5

Gravity: 8.83 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.23 AU - 5.11 AU

Year: 5776 Days

Day: 9.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 45,797,913 km

• M1: 135,236 km (0.113 R)
• M2: 532,568 km (0.112 R)
• M3: 896,690 km (0.089 R)
• M4: 1,408,913 km (0.11 R)
• M5: 1,796,670 km (0.04 R)
• M6: 2,288,997 km (0.062 R)
• M7: 2,850,288 km (0.076 R)
• M8: 3,569,405 km (0.09 R)
• M9: 3,972,272 km (0.115 R)
• M10: 4,352,700 km (0.115 R)
• M11: 4,785,486 km (0.109 R)
• M12: 6,428,221 km (0.112 R)
• M13: 6,918,752 km (0.049 R)
• M14: 7,585,958 km (0.054 R)
• M15: 8,750,578 km (0.112 R)
• M16: 9,575,760 km (0.096 R)
• M17: 10,404,682 km (0.073 R)
• M18: 10,739,631 km (0.044 R)
• M19: 11,532,500 km (0.033 R)
• M20: 14,676,897 km (0.102 R)
• M21: 16,802,384 km (0.066 R)
• M22: 19,268,655 km (0.084 R)
• M23: 21,193,381 km (0.092 R)
• M24: 21,810,472 km (0.095 R)
• M25: 22,758,773 km (0.116 R)
• M26: 24,483,936 km (0.105 R)
• M27: 31,857,166 km (0.069 R)
• M28: 32,974,512 km (0.09 R)
• M29: 33,387,253 km (0.095 R)
• M30: 37,035,496 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.6

Radius: 10.2

Gravity: 9.58 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 4.89 AU - 5.25 AU

Year: 7743 Days

Day: 11.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 45,797,913 km

• M1: 127,757 km (0.113 R)
• M2: 619,784 km (0.119 R)
• M3: 996,172 km (0.097 R)
• M4: 1,798,166 km (0.096 R)
• M5: 5,434,442 km (0.041 R)
• M6: 6,149,520 km (0.112 R)
• M7: 6,735,644 km (0.099 R)
• M8: 7,358,420 km (0.11 R)
• M9: 7,850,447 km (0.097 R)
• M10: 8,719,013 km (0.108 R)
• M11: 10,391,666 km (0.08 R)
• M12: 11,438,403 km (0.064 R)
• M13: 12,268,372 km (0.102 R)
• M14: 12,843,725 km (0.078 R)
• M15: 14,110,520 km (0.078 R)
• M16: 14,614,366 km (0.049 R)
• M17: 15,524,968 km (0.116 R)
• M18: 16,062,174 km (0.049 R)
• M19: 19,240,530 km (0.094 R)
• M20: 19,782,224 km (0.115 R)
• M21: 20,493,562 km (0.039 R)
• M22: 21,551,069 km (0.098 R)
• M23: 23,686,280 km (0.047 R)
• M24: 25,033,109 km (0.102 R)
• M25: 25,585,873 km (0.117 R)
• M26: 26,811,379 km (0.096 R)
• M27: 27,878,610 km (0.108 R)
• M28: 28,973,966 km (0.117 R)
• M29: 29,685,902 km (0.057 R)
• M30: 36,744,379 km (0.053 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 496 - 16,889 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit