🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.9

Radius: 10.6

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.9 AU - 1.32 AU

Year: 807 Days

Day: 8.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,515,055 km

• M1: 131,796 km (0.105 R)
• M2: 472,729 km (0.04 R)
• M3: 810,072 km (0.118 R)
• M4: 1,450,052 km (0.094 R)
• M5: 1,824,944 km (0.114 R)
• M6: 2,564,556 km (0.068 R)
• M7: 3,373,282 km (0.098 R)
• M8: 3,974,965 km (0.116 R)
• M9: 4,765,889 km (0.101 R)
• M10: 5,263,152 km (0.115 R)
• M11: 5,863,638 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968

Radius: 9.9

Gravity: 9.88 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.51 AU - 2.43 AU

Year: 1909 Days

Day: 10.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 77,515,055 km

• M1: 124,017 km (0.106 R)
• M2: 550,520 km (0.108 R)
• M3: 1,492,089 km (0.116 R)
• M4: 3,283,075 km (0.084 R)
• M5: 4,122,618 km (0.045 R)
• M6: 4,614,346 km (0.09 R)
• M7: 5,121,932 km (0.075 R)
• M8: 5,472,739 km (0.104 R)
• M9: 5,789,737 km (0.073 R)
• M10: 7,096,923 km (0.053 R)
• M11: 7,835,188 km (0.063 R)
• M12: 8,302,083 km (0.11 R)
• M13: 8,656,182 km (0.077 R)
• M14: 9,886,474 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.1

Radius: 10.7

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.04 AU - 3.06 AU

Year: 2811 Days

Day: 12.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 77,515,055 km

• M1: 133,292 km (0.115 R)
• M2: 1,152,502 km (0.094 R)
• M3: 1,498,971 km (0.088 R)
• M4: 1,856,958 km (0.064 R)
• M5: 2,232,449 km (0.058 R)
• M6: 2,734,948 km (0.06 R)
• M7: 3,105,353 km (0.097 R)
• M8: 4,008,176 km (0.101 R)
• M9: 4,731,781 km (0.051 R)
• M10: 5,148,860 km (0.059 R)
• M11: 6,466,069 km (0.097 R)
• M12: 7,678,260 km (0.071 R)
• M13: 8,421,463 km (0.113 R)
• M14: 9,426,162 km (0.114 R)
• M15: 9,976,233 km (0.065 R)
• M16: 10,354,865 km (0.042 R)
• M17: 10,821,760 km (0.111 R)
• M18: 11,672,673 km (0.117 R)
• M19: 12,050,707 km (0.071 R)
• M20: 13,370,609 km (0.077 R)
• M21: 14,881,996 km (0.069 R)
• M22: 16,821,233 km (0.11 R)
• M23: 18,073,667 km (0.108 R)
• M24: 18,466,960 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.4

Radius: 12.4

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.63 AU - 2.77 AU

Year: 3062 Days

Day: 9 Hours

Environment

Temp: -205 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,515,055 km

• M1: 154,235 km (0.109 R)
• M2: 571,613 km (0.097 R)
• M3: 1,001,408 km (0.074 R)
• M4: 1,557,613 km (0.116 R)
• M5: 2,903,545 km (0.045 R)
• M6: 3,950,730 km (0.055 R)
• M7: 4,493,471 km (0.115 R)
• M8: 4,963,059 km (0.113 R)
• M9: 6,871,329 km (0.104 R)
• M10: 8,505,836 km (0.116 R)
• M11: 9,911,457 km (0.109 R)
• M12: 10,752,048 km (0.093 R)
• M13: 12,575,047 km (0.118 R)
• M14: 13,608,320 km (0.098 R)
• M15: 18,669,365 km (0.113 R)
• M16: 20,581,077 km (0.115 R)
• M17: 21,551,518 km (0.116 R)
• M18: 23,098,659 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.3

Radius: 8.8

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 2.63 AU - 2.79 AU

Year: 3079 Days

Day: 11.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,515,055 km

• M1: 110,104 km (0.104 R)
• M2: 405,261 km (0.098 R)
• M3: 1,056,011 km (0.09 R)
• M4: 1,648,269 km (0.113 R)
• M5: 2,019,870 km (0.104 R)
• M6: 2,321,011 km (0.117 R)
• M7: 2,759,183 km (0.042 R)
• M8: 3,482,938 km (0.063 R)
• M9: 3,763,434 km (0.077 R)
• M10: 4,285,680 km (0.071 R)
• M11: 5,182,669 km (0.086 R)
• M12: 5,777,919 km (0.083 R)
• M13: 6,308,243 km (0.086 R)
• M14: 8,356,687 km (0.115 R)
• M15: 8,691,337 km (0.119 R)
• M16: 9,069,969 km (0.108 R)
• M17: 9,713,240 km (0.103 R)
• M18: 10,617,709 km (0.102 R)
• M19: 13,484,902 km (0.11 R)
• M20: 15,244,023 km (0.106 R)
• M21: 15,543,069 km (0.073 R)
• M22: 19,269,552 km (0.036 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 465.7

Radius: 5.5

Gravity: 15.4 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 4.77 AU - 7.81 AU

Year: 10889 Days

Day: 19.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 67.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,515,055 km

• M1: 139,724 km (0.09 R)
• M2: 403,765 km (0.091 R)
• M3: 707,448 km (0.083 R)
• M4: 1,035,666 km (0.113 R)
• M5: 1,834,519 km (0.077 R)
• M6: 3,138,264 km (0.111 R)
• M7: 3,487,575 km (0.089 R)
• M8: 3,659,463 km (0.11 R)
• M9: 4,752,126 km (0.093 R)
• M10: 6,152,362 km (0.072 R)
• M11: 6,624,792 km (0.101 R)
• M12: 7,278,684 km (0.091 R)
• M13: 9,403,573 km (0.091 R)
• M14: 12,470,778 km (0.027 R)
• M15: 13,404,867 km (0.112 R)
• M16: 13,766,894 km (0.075 R)
• M17: 16,972,028 km (0.087 R)
• M18: 25,079,036 km (0.105 R)
• M19: 29,907,606 km (0.063 R)
• M20: 31,257,428 km (0.111 R)
• M21: 33,192,776 km (0.092 R)
• M22: 33,855,345 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 778.3

Radius: 3.3

Gravity: 71.47 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 8.12 AU - 10.3 AU

Year: 19293 Days

Day: 22.6 Hours

Environment

Temp: -242 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 77,515,055 km

• M1: 42,037 km (0.079 R)
• M2: 158,873 km (0.09 R)
• M3: 580,889 km (0.082 R)
• M4: 738,265 km (0.086 R)
• M5: 996,023 km (0.116 R)
• M6: 1,634,806 km (0.066 R)
• M7: 2,749,908 km (0.095 R)
• M8: 3,334,387 km (0.051 R)
• M9: 3,478,001 km (0.081 R)
• M10: 3,808,313 km (0.072 R)
• M11: 4,462,205 km (0.111 R)
• M12: 5,225,902 km (0.096 R)
• M13: 5,419,781 km (0.119 R)
• M14: 6,287,150 km (0.114 R)
• M15: 7,290,802 km (0.105 R)
• M16: 12,651,642 km (0.1 R)
• M17: 14,616,460 km (0.097 R)
• M18: 15,001,375 km (0.104 R)
• M19: 16,442,900 km (0.105 R)
• M20: 19,691,269 km (0.059 R)
• M21: 19,971,914 km (0.117 R)
• M22: 20,926,947 km (0.116 R)
• M23: 30,428,207 km (0.042 R)
• M24: 31,947,224 km (0.079 R)
• M25: 32,725,432 km (0.117 R)
• M26: 33,119,173 km (0.108 R)
• M27: 36,103,950 km (0.087 R)
• M28: 38,529,530 km (0.109 R)
• M29: 39,856,613 km (0.084 R)
• M30: 40,606,996 km (0.072 R)
• M31: 43,228,250 km (0.111 R)
• M32: 44,983,182 km (0.079 R)
• M33: 46,453,879 km (0.041 R)
• M34: 52,837,370 km (0.087 R)
• M35: 53,379,213 km (0.107 R)
• M36: 60,961,282 km (0.06 R)
• M37: 61,358,165 km (0.092 R)
• M38: 67,944,511 km (0.112 R)
• M39: 71,187,792 km (0.029 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 248 - 16,616 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit