🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.5

Radius: 9.7

Gravity: 9.35 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.53 AU - 0.81 AU

Year: 372 Days

Day: 8.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 16,623,858 km

• M1: 121,773 km (0.095 R)
• M2: 506,688 km (0.111 R)
• M3: 991,086 km (0.093 R)
• M4: 1,624,782 km (0.051 R)
• M5: 1,947,764 km (0.12 R)
• M6: 2,286,903 km (0.109 R)
• M7: 3,335,883 km (0.104 R)
• M8: 3,825,367 km (0.113 R)
• M9: 4,518,304 km (0.11 R)
• M10: 5,536,617 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.3

Radius: 11

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.57 AU - 1.77 AU

Year: 1464 Days

Day: 14.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 16,623,858 km

• M1: 136,882 km (0.109 R)
• M2: 556,654 km (0.086 R)
• M3: 1,127,220 km (0.074 R)
• M4: 1,589,477 km (0.117 R)
• M5: 2,210,757 km (0.093 R)
• M6: 2,728,216 km (0.047 R)
• M7: 3,073,638 km (0.105 R)
• M8: 4,437,821 km (0.092 R)
• M9: 5,805,445 km (0.115 R)
• M10: 6,405,781 km (0.028 R)
• M11: 6,845,299 km (0.054 R)
• M12: 7,304,864 km (0.12 R)
• M13: 9,855,358 km (0.053 R)
• M14: 10,948,919 km (0.092 R)
• M15: 11,685,838 km (0.118 R)
• M16: 12,380,869 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.4

Radius: 14.6

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.55 AU - 1.87 AU

Year: 1517 Days

Day: 10.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 16,623,858 km

• M1: 182,210 km (0.11 R)
• M2: 889,509 km (0.12 R)
• M3: 1,735,186 km (0.101 R)
• M4: 2,291,540 km (0.12 R)
• M5: 2,993,902 km (0.079 R)
• M6: 4,684,508 km (0.08 R)
• M7: 5,363,682 km (0.096 R)
• M8: 5,823,696 km (0.093 R)
• M9: 6,332,927 km (0.118 R)
• M10: 7,190,122 km (0.11 R)
• M11: 7,803,773 km (0.045 R)
• M12: 8,314,051 km (0.089 R)
• M13: 9,462,065 km (0.103 R)
• M14: 11,583,812 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.5

Radius: 14.9

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.52 AU - 2.22 AU

Year: 1734 Days

Day: 14 Hours

Environment

Temp: -205 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 16,623,858 km

• M1: 185,501 km (0.037 R)
• M2: 735,423 km (0.117 R)
• M3: 1,328,878 km (0.106 R)
• M4: 2,173,208 km (0.049 R)
• M5: 2,858,067 km (0.095 R)
• M6: 3,963,895 km (0.101 R)
• M7: 4,645,911 km (0.051 R)
• M8: 5,676,641 km (0.069 R)
• M9: 7,309,651 km (0.078 R)
• M10: 7,841,621 km (0.04 R)
• M11: 9,928,063 km (0.116 R)
• M12: 11,899,912 km (0.103 R)
• M13: 12,917,926 km (0.084 R)
• M14: 14,379,347 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.7

Radius: 11.5

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.55 AU - 2.57 AU

Year: 2778 Days

Day: 9.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 16,623,858 km

• M1: 143,016 km (0.032 R)
• M2: 606,021 km (0.118 R)
• M3: 989,291 km (0.077 R)
• M4: 1,767,349 km (0.113 R)
• M5: 2,590,886 km (0.066 R)
• M6: 4,149,695 km (0.096 R)
• M7: 4,757,362 km (0.114 R)
• M8: 5,473,487 km (0.109 R)
• M9: 5,831,475 km (0.099 R)
• M10: 6,232,546 km (0.082 R)
• M11: 6,595,022 km (0.116 R)
• M12: 7,896,075 km (0.09 R)
• M13: 8,727,241 km (0.078 R)
• M14: 11,866,552 km (0.106 R)
• M15: 12,295,000 km (0.085 R)
• M16: 13,001,850 km (0.069 R)
• M17: 14,448,312 km (0.055 R)
• M18: 16,051,253 km (0.067 R)
• M19: 16,735,215 km (0.099 R)
• M20: 17,438,474 km (0.098 R)
• M21: 17,825,185 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.1

Radius: 13.4

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.01 AU - 3.87 AU

Year: 4327 Days

Day: 13.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 16,623,858 km

• M1: 166,652 km (0.083 R)
• M2: 1,722,470 km (0.025 R)
• M3: 2,777,284 km (0.118 R)
• M4: 4,063,677 km (0.077 R)
• M5: 6,660,247 km (0.041 R)
• M6: 7,187,430 km (0.089 R)
• M7: 8,177,319 km (0.087 R)
• M8: 9,704,863 km (0.095 R)
• M9: 13,473,831 km (0.104 R)
• M10: 14,051,578 km (0.109 R)
• M11: 15,032,641 km (0.113 R)
• M12: 15,597,074 km (0.083 R)
• M13: 17,809,627 km (0.093 R)
• M14: 18,763,762 km (0.053 R)
• M15: 19,484,823 km (0.07 R)
• M16: 21,403,865 km (0.118 R)
• M17: 22,702,225 km (0.084 R)
• M18: 26,584,290 km (0.061 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.9

Radius: 9.9

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.47 AU - 3.49 AU

Year: 4403 Days

Day: 10.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 16,623,858 km

• M1: 123,119 km (0.074 R)
• M2: 688,749 km (0.098 R)
• M3: 1,288,337 km (0.102 R)
• M4: 2,080,458 km (0.113 R)
• M5: 2,464,924 km (0.09 R)
• M6: 2,879,310 km (0.103 R)
• M7: 3,206,032 km (0.093 R)
• M8: 3,517,345 km (0.083 R)
• M9: 4,044,678 km (0.079 R)
• M10: 4,456,371 km (0.073 R)
• M11: 5,720,772 km (0.099 R)
• M12: 6,542,962 km (0.079 R)
• M13: 7,408,685 km (0.117 R)
• M14: 8,312,555 km (0.106 R)
• M15: 10,007,350 km (0.105 R)
• M16: 11,466,228 km (0.065 R)
• M17: 13,709,747 km (0.043 R)
• M18: 14,118,897 km (0.086 R)
• M19: 14,483,617 km (0.091 R)
• M20: 14,854,470 km (0.096 R)
• M21: 15,560,123 km (0.086 R)
• M22: 19,556,481 km (0.108 R)
• M23: 20,206,334 km (0.106 R)
• M24: 20,603,217 km (0.065 R)
• M25: 20,937,868 km (0.051 R)
• M26: 24,711,623 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 25.2

Radius: 4.7

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 5.66 AU - 6.88 AU

Year: 10649 Days

Day: 17.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 16,623,858 km

• M1: 58,493 km (0.096 R)
• M2: 211,831 km (0.117 R)
• M3: 552,016 km (0.087 R)
• M4: 715,227 km (0.093 R)
• M5: 1,488,948 km (0.088 R)
• M6: 1,789,340 km (0.079 R)
• M7: 2,347,639 km (0.07 R)
• M8: 2,952,015 km (0.104 R)
• M9: 4,240,202 km (0.041 R)
• M10: 6,991,157 km (0.112 R)
• M11: 7,591,643 km (0.096 R)
• M12: 8,194,822 km (0.079 R)
• M13: 12,624,116 km (0.049 R)
• M14: 13,211,736 km (0.086 R)
• M15: 14,127,125 km (0.091 R)
• M16: 14,623,042 km (0.112 R)
• M17: 15,793,346 km (0.062 R)
• M18: 16,034,648 km (0.047 R)
• M19: 16,574,247 km (0.112 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 394 - 12,671 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit