🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.5 AU - 0.66 AU

Year: 290 Days

Day: 28.7 Hours

Environment

Temp: -132 °C

Axial Tilt: 36.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 31,459,160 km

• M1: 392,246 km (0.097 R)

Asteroid Belt

Center: 0.97 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.2

Radius: 14.1

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.12 AU - 1.58 AU

Year: 1029 Days

Day: 8.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,459,160 km

• M1: 176,525 km (0.038 R)
• M2: 725,550 km (0.113 R)
• M3: 1,228,647 km (0.094 R)
• M4: 2,635,466 km (0.055 R)
• M5: 3,704,941 km (0.031 R)
• M6: 4,248,879 km (0.107 R)
• M7: 4,984,302 km (0.114 R)
• M8: 6,101,499 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.3

Radius: 14.2

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.3 AU - 3.66 AU

Year: 3375 Days

Day: 7 Hours

Environment

Temp: -194 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 31,459,160 km

• M1: 176,675 km (0.114 R)
• M2: 666,459 km (0.085 R)
• M3: 1,129,314 km (0.084 R)
• M4: 1,649,466 km (0.101 R)
• M5: 2,517,732 km (0.112 R)
• M6: 3,177,908 km (0.113 R)
• M7: 3,951,628 km (0.053 R)
• M8: 4,438,868 km (0.084 R)
• M9: 5,382,980 km (0.056 R)
• M10: 6,805,955 km (0.071 R)
• M11: 10,188,662 km (0.114 R)
• M12: 15,114,471 km (0.064 R)
• M13: 15,576,878 km (0.116 R)
• M14: 19,807,506 km (0.053 R)
• M15: 21,437,524 km (0.065 R)
• M16: 21,891,105 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.8

Radius: 13.2

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.53 AU - 3.45 AU

Year: 3392 Days

Day: 8.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,459,160 km

• M1: 164,109 km (0.111 R)
• M2: 615,894 km (0.069 R)
• M3: 1,362,089 km (0.1 R)
• M4: 2,251,448 km (0.105 R)
• M5: 2,968,022 km (0.109 R)
• M6: 4,035,403 km (0.086 R)
• M7: 4,483,897 km (0.092 R)
• M8: 4,922,518 km (0.076 R)
• M9: 5,886,826 km (0.1 R)
• M10: 6,864,448 km (0.118 R)
• M11: 7,593,738 km (0.061 R)
• M12: 8,656,481 km (0.084 R)
• M13: 9,407,313 km (0.099 R)
• M14: 12,811,262 km (0.116 R)
• M15: 13,700,173 km (0.066 R)
• M16: 14,270,889 km (0.078 R)
• M17: 15,226,071 km (0.109 R)
• M18: 15,838,525 km (0.114 R)

Asteroid Belt

Center: 3.27 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.6

Radius: 10.6

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 3.52 AU - 3.58 AU

Year: 4388 Days

Day: 13.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,459,160 km

• M1: 198,666 km (0.05 R)
• M2: 921,523 km (0.039 R)
• M3: 1,459,626 km (0.112 R)
• M4: 2,156,154 km (0.086 R)
• M5: 2,679,298 km (0.112 R)
• M6: 3,285,468 km (0.062 R)
• M7: 4,601,032 km (0.112 R)
• M8: 5,049,227 km (0.11 R)
• M9: 6,150,567 km (0.096 R)
• M10: 7,272,551 km (0.08 R)
• M11: 7,709,526 km (0.096 R)
• M12: 8,128,550 km (0.092 R)
• M13: 8,562,683 km (0.112 R)
• M14: 11,277,735 km (0.116 R)
• M15: 14,052,775 km (0.12 R)
• M16: 16,440,656 km (0.093 R)
• M17: 19,920,303 km (0.071 R)
• M18: 20,378,970 km (0.062 R)
• M19: 21,659,528 km (0.059 R)
• M20: 22,850,028 km (0.078 R)
• M21: 24,009,860 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.5

Radius: 14.8

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 5.31 AU - 5.31 AU

Year: 8027 Days

Day: 7 Hours

Environment

Temp: -210 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,459,160 km

• M1: 184,005 km (0.082 R)
• M2: 733,179 km (0.119 R)
• M3: 2,290,343 km (0.05 R)
• M4: 2,843,706 km (0.112 R)
• M5: 4,660,572 km (0.066 R)
• M6: 5,752,487 km (0.065 R)
• M7: 7,544,520 km (0.068 R)
• M8: 11,149,230 km (0.064 R)
• M9: 11,934,769 km (0.042 R)
• M10: 12,533,908 km (0.082 R)
• M11: 19,532,545 km (0.074 R)
• M12: 22,185,215 km (0.073 R)
• M13: 23,938,950 km (0.072 R)
• M14: 26,418,984 km (0.113 R)
• M15: 30,756,425 km (0.068 R)
• M16: 32,722,739 km (0.041 R)
• M17: 33,467,886 km (0.105 R)
• M18: 39,362,192 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.1

Radius: 9.9

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 5.25 AU - 5.49 AU

Year: 8163 Days

Day: 9.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 31,459,160 km

• M1: 123,867 km (0.105 R)
• M2: 616,493 km (0.048 R)
• M3: 1,046,587 km (0.087 R)
• M4: 1,378,395 km (0.114 R)
• M5: 1,809,237 km (0.096 R)
• M6: 4,070,408 km (0.107 R)
• M7: 4,716,970 km (0.074 R)
• M8: 5,051,023 km (0.103 R)
• M9: 5,371,012 km (0.094 R)
• M10: 6,084,295 km (0.078 R)
• M11: 6,720,086 km (0.088 R)
• M12: 7,436,510 km (0.08 R)
• M13: 8,687,747 km (0.079 R)
• M14: 10,028,592 km (0.115 R)
• M15: 10,489,354 km (0.057 R)
• M16: 12,633,091 km (0.059 R)
• M17: 15,475,002 km (0.062 R)
• M18: 20,497,751 km (0.08 R)
• M19: 21,165,256 km (0.087 R)
• M20: 22,309,979 km (0.077 R)
• M21: 22,937,243 km (0.044 R)
• M22: 23,981,287 km (0.045 R)
• M23: 25,309,566 km (0.083 R)
• M24: 26,511,435 km (0.066 R)
• M25: 28,843,816 km (0.119 R)
• M26: 29,776,259 km (0.118 R)
• M27: 31,407,325 km (0.118 R)
• M28: 32,694,166 km (0.068 R)
• M29: 34,637,741 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 187

Radius: 7.9

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 5.96 AU - 6.48 AU

Year: 10176 Days

Day: 21.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 31,459,160 km

• M1: 98,286 km (0.112 R)
• M2: 360,531 km (0.105 R)
• M3: 786,735 km (0.086 R)
• M4: 1,598,304 km (0.119 R)
• M5: 2,455,051 km (0.115 R)
• M6: 2,937,055 km (0.103 R)
• M7: 3,251,360 km (0.103 R)
• M8: 4,041,985 km (0.112 R)
• M9: 4,558,846 km (0.082 R)
• M10: 5,546,939 km (0.064 R)
• M11: 5,875,606 km (0.098 R)
• M12: 6,344,595 km (0.068 R)
• M13: 7,181,595 km (0.063 R)
• M14: 7,865,557 km (0.105 R)
• M15: 8,357,883 km (0.113 R)
• M16: 10,626,236 km (0.078 R)
• M17: 13,702,567 km (0.119 R)
• M18: 23,730,860 km (0.079 R)
• M19: 25,161,165 km (0.115 R)
• M20: 27,071,380 km (0.076 R)
• M21: 28,280,131 km (0.119 R)
• M22: 28,809,109 km (0.094 R)
• M23: 30,435,537 km (0.092 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 500 - 11,924 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit