🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.3

Radius: 9.7

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.92 AU - 1.5 AU

Year: 846 Days

Day: 12.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 44,684,452 km

• M1: 120,725 km (0.084 R)
• M2: 481,406 km (0.117 R)
• M3: 810,222 km (0.096 R)
• M4: 1,145,321 km (0.063 R)
• M5: 2,024,508 km (0.08 R)
• M6: 3,704,193 km (0.116 R)
• M7: 5,273,475 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.7

Radius: 13.6

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.74 AU - 2.24 AU

Year: 1785 Days

Day: 5.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 44,684,452 km

• M1: 169,195 km (0.076 R)
• M2: 618,138 km (0.05 R)
• M3: 1,162,076 km (0.046 R)
• M4: 2,135,958 km (0.052 R)
• M5: 2,872,878 km (0.102 R)
• M6: 5,569,379 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.6

Radius: 10.7

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.98 AU - 2.68 AU

Year: 2261 Days

Day: 7.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,684,452 km

• M1: 133,740 km (0.113 R)
• M2: 471,233 km (0.104 R)
• M3: 964,457 km (0.079 R)
• M4: 1,364,333 km (0.115 R)
• M5: 1,802,654 km (0.045 R)
• M6: 2,852,532 km (0.12 R)
• M7: 4,519,651 km (0.071 R)
• M8: 5,176,535 km (0.071 R)
• M9: 7,178,903 km (0.107 R)
• M10: 7,673,623 km (0.036 R)
• M11: 8,338,585 km (0.092 R)
• M12: 8,792,615 km (0.1 R)
• M13: 9,684,517 km (0.055 R)
• M14: 10,084,692 km (0.118 R)
• M15: 13,325,580 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.5

Radius: 11.6

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.04 AU - 2.68 AU

Year: 2305 Days

Day: 14.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,684,452 km

• M1: 175,179 km (0.074 R)
• M2: 935,136 km (0.052 R)
• M3: 2,079,111 km (0.112 R)
• M4: 3,594,238 km (0.101 R)
• M5: 5,272,128 km (0.104 R)
• M6: 6,004,709 km (0.113 R)
• M7: 6,395,907 km (0.113 R)
• M8: 6,935,058 km (0.077 R)
• M9: 9,499,465 km (0.092 R)
• M10: 11,011,899 km (0.108 R)
• M11: 12,364,114 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.2

Radius: 12.6

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 3.03 AU - 4.01 AU

Year: 4199 Days

Day: 11.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 44,684,452 km

• M1: 156,629 km (0.114 R)
• M2: 825,182 km (0.112 R)
• M3: 1,380,788 km (0.094 R)
• M4: 1,844,542 km (0.115 R)
• M5: 2,526,708 km (0.1 R)
• M6: 2,964,581 km (0.119 R)
• M7: 3,515,550 km (0.105 R)
• M8: 4,323,977 km (0.098 R)
• M9: 5,035,464 km (0.106 R)
• M10: 6,467,415 km (0.11 R)
• M11: 7,717,305 km (0.116 R)
• M12: 8,687,747 km (0.094 R)
• M13: 10,557,421 km (0.06 R)
• M14: 11,052,590 km (0.119 R)
• M15: 13,241,955 km (0.093 R)
• M16: 14,248,150 km (0.118 R)
• M17: 15,648,835 km (0.102 R)
• M18: 17,698,625 km (0.093 R)
• M19: 20,263,480 km (0.045 R)
• M20: 22,105,329 km (0.056 R)
• M21: 23,520,076 km (0.068 R)
• M22: 24,836,388 km (0.08 R)
• M23: 27,785,261 km (0.069 R)
• M24: 28,212,513 km (0.083 R)
• M25: 28,992,516 km (0.039 R)
• M26: 29,698,020 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.8

Radius: 14.3

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 4.47 AU - 5.05 AU

Year: 6603 Days

Day: 11.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,684,452 km

• M1: 177,872 km (0.056 R)
• M2: 714,629 km (0.061 R)
• M3: 1,200,972 km (0.113 R)
• M4: 1,832,275 km (0.055 R)
• M5: 2,662,992 km (0.106 R)
• M6: 3,228,621 km (0.062 R)
• M7: 3,945,494 km (0.119 R)
• M8: 7,249,812 km (0.114 R)
• M9: 8,402,763 km (0.103 R)
• M10: 11,169,276 km (0.068 R)
• M11: 11,666,540 km (0.119 R)
• M12: 12,335,092 km (0.09 R)
• M13: 13,193,036 km (0.035 R)
• M14: 14,262,960 km (0.1 R)
• M15: 14,730,454 km (0.086 R)
• M16: 15,390,031 km (0.114 R)
• M17: 16,575,743 km (0.116 R)
• M18: 18,570,780 km (0.078 R)
• M19: 21,170,642 km (0.049 R)
• M20: 23,840,814 km (0.092 R)
• M21: 25,003,040 km (0.086 R)
• M22: 31,485,864 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.7

Radius: 9.6

Gravity: 9.25 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 5.03 AU - 5.85 AU

Year: 8067 Days

Day: 10.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 44,684,452 km

• M1: 119,529 km (0.047 R)
• M2: 613,650 km (0.11 R)
• M3: 939,325 km (0.093 R)
• M4: 1,298,809 km (0.095 R)
• M5: 1,965,417 km (0.12 R)
• M6: 2,928,977 km (0.084 R)
• M7: 3,235,952 km (0.078 R)
• M8: 3,889,844 km (0.103 R)
• M9: 5,078,848 km (0.073 R)
• M10: 7,533,898 km (0.119 R)
• M11: 8,995,769 km (0.077 R)
• M12: 9,697,383 km (0.115 R)
• M13: 10,435,050 km (0.054 R)
• M14: 11,315,882 km (0.069 R)
• M15: 11,747,173 km (0.12 R)
• M16: 12,358,131 km (0.114 R)
• M17: 13,403,221 km (0.09 R)
• M18: 16,753,166 km (0.053 R)
• M19: 17,814,563 km (0.077 R)
• M20: 20,544,126 km (0.08 R)
• M21: 24,067,156 km (0.095 R)
• M22: 27,295,179 km (0.088 R)
• M23: 29,668,399 km (0.098 R)
• M24: 30,905,275 km (0.112 R)
• M25: 32,176,108 km (0.113 R)
• M26: 33,261,441 km (0.106 R)
• M27: 34,035,610 km (0.071 R)
• M28: 35,048,537 km (0.052 R)
• M29: 41,297,988 km (0.09 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 524 - 12,479 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit