🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.88 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.5

Radius: 13.1

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.42 AU - 2.1 AU

Year: 1584 Days

Day: 8 Hours

Environment

Temp: -204 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,390,888 km

• M1: 162,912 km (0.119 R)
• M2: 647,310 km (0.108 R)
• M3: 1,118,693 km (0.09 R)
• M4: 2,092,425 km (0.081 R)
• M5: 3,049,553 km (0.094 R)
• M6: 3,570,752 km (0.08 R)
• M7: 4,412,389 km (0.046 R)
• M8: 5,729,748 km (0.046 R)
• M9: 6,260,372 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.6

Radius: 9.9

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.62 AU - 2.1 AU

Year: 1721 Days

Day: 12.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,390,888 km

• M1: 124,017 km (0.109 R)
• M2: 483,201 km (0.109 R)
• M3: 812,167 km (0.114 R)
• M4: 1,258,417 km (0.103 R)
• M5: 1,656,048 km (0.109 R)
• M6: 1,992,195 km (0.114 R)
• M7: 2,349,734 km (0.104 R)
• M8: 3,120,911 km (0.112 R)
• M9: 3,476,655 km (0.101 R)
• M10: 3,946,242 km (0.064 R)
• M11: 5,075,108 km (0.079 R)
• M12: 5,771,336 km (0.112 R)
• M13: 6,166,275 km (0.063 R)
• M14: 6,529,797 km (0.097 R)
• M15: 7,141,204 km (0.04 R)
• M16: 7,596,879 km (0.066 R)
• M17: 8,360,726 km (0.05 R)
• M18: 8,958,968 km (0.07 R)
• M19: 9,553,320 km (0.083 R)
• M20: 9,975,036 km (0.119 R)
• M21: 11,172,418 km (0.103 R)
• M22: 12,927,799 km (0.091 R)
• M23: 13,605,777 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223

Radius: 10.9

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.06 AU - 2.12 AU

Year: 2049 Days

Day: 11.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,390,888 km

• M1: 138,528 km (0.113 R)
• M2: 672,891 km (0.065 R)
• M3: 1,259,764 km (0.118 R)
• M4: 1,637,947 km (0.076 R)
• M5: 2,019,870 km (0.093 R)
• M6: 2,461,633 km (0.095 R)
• M7: 3,245,975 km (0.088 R)
• M8: 3,634,331 km (0.106 R)
• M9: 6,177,046 km (0.118 R)
• M10: 6,518,428 km (0.09 R)
• M11: 7,339,571 km (0.11 R)
• M12: 8,926,355 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.4

Radius: 10.4

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.16 AU - 3.36 AU

Year: 3110 Days

Day: 9.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,390,888 km

• M1: 129,402 km (0.088 R)
• M2: 1,470,397 km (0.097 R)
• M3: 2,309,791 km (0.064 R)
• M4: 3,314,191 km (0.094 R)
• M5: 3,746,230 km (0.091 R)
• M6: 4,089,557 km (0.108 R)
• M7: 4,981,459 km (0.032 R)
• M8: 5,347,675 km (0.118 R)
• M9: 5,758,172 km (0.114 R)
• M10: 7,937,513 km (0.039 R)
• M11: 8,749,381 km (0.053 R)
• M12: 9,284,193 km (0.11 R)
• M13: 14,477,932 km (0.092 R)
• M14: 14,824,401 km (0.112 R)
• M15: 15,792,299 km (0.073 R)
• M16: 17,517,312 km (0.082 R)
• M17: 18,024,150 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.1

Radius: 12.8

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.26 AU - 3.44 AU

Year: 3263 Days

Day: 5.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,390,888 km

• M1: 160,070 km (0.079 R)
• M2: 621,729 km (0.087 R)
• M3: 1,638,097 km (0.086 R)
• M4: 2,122,195 km (0.095 R)
• M5: 2,600,460 km (0.071 R)
• M6: 3,193,765 km (0.086 R)
• M7: 3,909,292 km (0.086 R)
• M8: 5,100,390 km (0.064 R)
• M9: 6,449,314 km (0.1 R)
• M10: 6,857,866 km (0.108 R)
• M11: 7,753,957 km (0.04 R)
• M12: 8,161,162 km (0.115 R)
• M13: 8,697,620 km (0.05 R)
• M14: 10,416,949 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.6

Radius: 12.2

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.18 AU - 3.56 AU

Year: 3298 Days

Day: 13.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,390,888 km

• M1: 152,889 km (0.025 R)
• M2: 917,783 km (0.075 R)
• M3: 1,896,901 km (0.099 R)
• M4: 2,603,601 km (0.102 R)
• M5: 3,149,783 km (0.101 R)
• M6: 3,536,344 km (0.078 R)
• M7: 4,230,329 km (0.072 R)
• M8: 4,703,207 km (0.101 R)
• M9: 8,083,970 km (0.079 R)
• M10: 9,141,926 km (0.103 R)
• M11: 10,052,977 km (0.116 R)
• M12: 11,107,193 km (0.096 R)
• M13: 11,617,920 km (0.112 R)
• M14: 12,368,453 km (0.105 R)
• M15: 12,824,726 km (0.114 R)
• M16: 14,411,212 km (0.048 R)
• M17: 15,591,688 km (0.056 R)
• M18: 17,510,580 km (0.079 R)
• M19: 20,328,406 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.1

Radius: 15

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.41 AU - 6.67 AU

Year: 8844 Days

Day: 12.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,390,888 km

• M1: 188,493 km (0.104 R)
• M2: 806,781 km (0.092 R)
• M3: 1,652,907 km (0.119 R)
• M4: 2,567,249 km (0.108 R)
• M5: 3,045,663 km (0.072 R)
• M6: 3,734,112 km (0.048 R)
• M7: 5,683,074 km (0.117 R)
• M8: 9,255,770 km (0.066 R)
• M9: 10,797,675 km (0.114 R)
• M10: 11,868,796 km (0.108 R)
• M11: 14,114,410 km (0.077 R)
• M12: 19,232,751 km (0.092 R)
• M13: 21,804,488 km (0.051 R)
• M14: 22,611,419 km (0.084 R)
• M15: 27,283,959 km (0.039 R)
• M16: 28,567,209 km (0.042 R)
• M17: 29,444,900 km (0.064 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 483.9

Radius: 6.1

Gravity: 13 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 6.04 AU - 9 AU

Year: 13987 Days

Day: 18.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 53,390,888 km

• M1: 75,846 km (0.081 R)
• M2: 699,520 km (0.076 R)
• M3: 1,012,927 km (0.11 R)
• M4: 1,246,300 km (0.116 R)
• M5: 1,742,217 km (0.112 R)
• M6: 1,940,135 km (0.048 R)
• M7: 2,776,387 km (0.06 R)
• M8: 3,462,443 km (0.096 R)
• M9: 4,374,242 km (0.106 R)
• M10: 4,586,521 km (0.113 R)
• M11: 6,195,895 km (0.049 R)
• M12: 7,231,711 km (0.119 R)
• M13: 8,611,751 km (0.068 R)
• M14: 10,053,725 km (0.038 R)
• M15: 10,371,022 km (0.089 R)
• M16: 14,853,124 km (0.084 R)
• M17: 17,819,799 km (0.077 R)
• M18: 18,206,659 km (0.095 R)
• M19: 21,944,212 km (0.118 R)
• M20: 26,562,448 km (0.057 R)
• M21: 27,475,594 km (0.046 R)
• M22: 28,620,017 km (0.097 R)
• M23: 29,795,857 km (0.119 R)
• M24: 35,305,097 km (0.045 R)
• M25: 44,358,461 km (0.106 R)
• M26: 49,948,934 km (0.084 R)
• M27: 50,255,609 km (0.055 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 269 - 13,002 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit