🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.7

Radius: 14.4

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.4 AU - 0.66 AU

Year: 262 Days

Day: 9.7 Hours

Environment

Temp: -135 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,242,036 km

• M1: 179,069 km (0.059 R)
• M2: 850,015 km (0.09 R)
• M3: 1,364,632 km (0.094 R)
• M4: 2,054,278 km (0.084 R)
• M5: 2,555,132 km (0.101 R)
• M6: 3,695,067 km (0.104 R)
• M7: 4,393,989 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.7

Radius: 8.1

Gravity: 9.43 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.57 AU - 0.91 AU

Year: 432 Days

Day: 6.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,242,036 km

• M1: 100,829 km (0.059 R)
• M2: 375,341 km (0.029 R)
• M3: 638,933 km (0.093 R)
• M4: 939,475 km (0.101 R)
• M5: 1,227,899 km (0.036 R)
• M6: 1,494,782 km (0.085 R)
• M7: 1,748,051 km (0.115 R)
• M8: 2,288,847 km (0.103 R)
• M9: 2,628,285 km (0.09 R)
• M10: 3,133,178 km (0.108 R)
• M11: 3,468,576 km (0.085 R)
• M12: 3,905,103 km (0.06 R)
• M13: 4,198,015 km (0.099 R)
• M14: 4,505,439 km (0.084 R)
• M15: 4,873,151 km (0.11 R)
• M16: 5,454,039 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.3

Radius: 12.1

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.94 AU - 1.16 AU

Year: 730 Days

Day: 13.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,242,036 km

• M1: 150,495 km (0.08 R)
• M2: 531,820 km (0.101 R)
• M3: 984,803 km (0.106 R)
• M4: 1,430,006 km (0.036 R)
• M5: 1,945,820 km (0.112 R)
• M6: 2,442,185 km (0.1 R)
• M7: 3,426,988 km (0.037 R)
• M8: 3,838,532 km (0.053 R)
• M9: 4,542,988 km (0.086 R)
• M10: 7,342,114 km (0.095 R)
• M11: 8,814,007 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.3

Radius: 11.2

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.08 AU - 1.46 AU

Year: 971 Days

Day: 5.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,242,036 km

• M1: 139,425 km (0.102 R)
• M2: 620,981 km (0.107 R)
• M3: 1,231,789 km (0.093 R)
• M4: 1,622,539 km (0.114 R)
• M5: 3,064,961 km (0.069 R)
• M6: 3,564,319 km (0.043 R)
• M7: 4,744,646 km (0.101 R)
• M8: 6,231,350 km (0.084 R)
• M9: 6,945,979 km (0.108 R)
• M10: 7,642,506 km (0.115 R)
• M11: 9,012,823 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.8

Radius: 11.4

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.02 AU - 2.04 AU

Year: 1962 Days

Day: 5.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,242,036 km

• M1: 141,819 km (0.118 R)
• M2: 629,657 km (0.084 R)
• M3: 1,060,649 km (0.1 R)
• M4: 1,836,015 km (0.059 R)
• M5: 2,224,820 km (0.096 R)
• M6: 2,868,689 km (0.103 R)
• M7: 4,214,920 km (0.101 R)
• M8: 6,833,481 km (0.065 R)
• M9: 7,578,479 km (0.118 R)
• M10: 8,530,519 km (0.112 R)
• M11: 10,528,249 km (0.096 R)
• M12: 11,035,985 km (0.096 R)
• M13: 11,598,173 km (0.097 R)
• M14: 12,061,478 km (0.067 R)
• M15: 12,417,072 km (0.065 R)
• M16: 13,357,743 km (0.067 R)
• M17: 13,738,620 km (0.09 R)
• M18: 14,257,575 km (0.062 R)
• M19: 15,151,721 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.3

Radius: 12.4

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.3 AU - 4.7 AU

Year: 5426 Days

Day: 10.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,242,036 km

• M1: 155,133 km (0.118 R)
• M2: 700,866 km (0.042 R)
• M3: 1,135,298 km (0.108 R)
• M4: 1,861,746 km (0.07 R)
• M5: 2,425,430 km (0.109 R)
• M6: 2,879,460 km (0.106 R)
• M7: 3,484,434 km (0.047 R)
• M8: 4,436,774 km (0.076 R)
• M9: 5,171,449 km (0.105 R)
• M10: 6,792,940 km (0.077 R)
• M11: 7,704,290 km (0.052 R)
• M12: 8,275,305 km (0.116 R)
• M13: 9,885,427 km (0.077 R)
• M14: 10,358,755 km (0.113 R)
• M15: 10,764,764 km (0.117 R)
• M16: 14,456,839 km (0.119 R)
• M17: 17,003,444 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 232.1

Radius: 4.9

Gravity: 9.67 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 9.17 AU - 9.99 AU

Year: 20111 Days

Day: 19.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,242,036 km

• M1: 65,225 km (0.063 R)
• M2: 299,794 km (0.095 R)
• M3: 1,017,415 km (0.107 R)
• M4: 2,114,566 km (0.092 R)
• M5: 3,025,467 km (0.111 R)
• M6: 3,191,371 km (0.063 R)
• M7: 3,619,969 km (0.104 R)
• M8: 4,972,035 km (0.112 R)
• M9: 5,512,233 km (0.118 R)
• M10: 6,394,561 km (0.056 R)
• M11: 13,422,071 km (0.107 R)
• M12: 14,464,469 km (0.096 R)
• M13: 14,868,981 km (0.033 R)
• M14: 18,458,881 km (0.106 R)
• M15: 20,579,730 km (0.067 R)
• M16: 23,869,986 km (0.104 R)
• M17: 26,380,986 km (0.073 R)
• M18: 31,920,446 km (0.091 R)
• M19: 34,005,242 km (0.074 R)
• M20: 41,607,656 km (0.078 R)
• M21: 44,373,421 km (0.119 R)
• M22: 45,945,695 km (0.07 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: 476 - 14,624 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit