🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.1

Radius: 9.3

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.47 AU - 0.55 AU

Year: 247 Days

Day: 7.9 Hours

Environment

Temp: -132 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 20,041,372 km

• M1: 115,789 km (0.083 R)
• M2: 467,194 km (0.089 R)
• M3: 794,065 km (0.034 R)
• M4: 1,137,542 km (0.094 R)
• M5: 1,542,653 km (0.107 R)
• M6: 1,881,492 km (0.034 R)
• M7: 2,655,661 km (0.112 R)
• M8: 3,014,547 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.8

Radius: 10.1

Gravity: 7.78 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.45 AU - 0.73 AU

Year: 307 Days

Day: 8.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,041,372 km

• M1: 125,662 km (0.114 R)
• M2: 472,280 km (0.077 R)
• M3: 867,069 km (0.099 R)
• M4: 1,218,475 km (0.057 R)
• M5: 1,606,382 km (0.088 R)
• M6: 2,006,257 km (0.063 R)
• M7: 2,609,286 km (0.071 R)
• M8: 3,061,670 km (0.093 R)
• M9: 3,417,863 km (0.065 R)
• M10: 4,111,847 km (0.085 R)
• M11: 4,519,800 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.3

Radius: 8.3

Gravity: 9.53 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.71 AU - 1.15 AU

Year: 608 Days

Day: 12.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 70.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,041,372 km

• M1: 103,522 km (0.062 R)
• M2: 366,964 km (0.092 R)
• M3: 809,175 km (0.098 R)
• M4: 1,200,373 km (0.041 R)
• M5: 1,628,672 km (0.103 R)
• M6: 2,358,859 km (0.112 R)
• M7: 2,883,349 km (0.119 R)
• M8: 3,496,401 km (0.109 R)
• M9: 4,654,439 km (0.068 R)
• M10: 6,050,037 km (0.12 R)
• M11: 6,359,555 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.5

Radius: 11.2

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.98 AU - 1.48 AU

Year: 925 Days

Day: 11.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,041,372 km

• M1: 139,276 km (0.11 R)
• M2: 573,708 km (0.043 R)
• M3: 970,890 km (0.088 R)
• M4: 2,325,200 km (0.1 R)
• M5: 2,711,461 km (0.104 R)
• M6: 4,010,121 km (0.061 R)
• M7: 5,546,790 km (0.094 R)
• M8: 5,949,657 km (0.086 R)
• M9: 6,928,326 km (0.115 R)
• M10: 7,444,289 km (0.104 R)
• M11: 8,928,450 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.3

Radius: 10.5

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.64 AU - 2.12 AU

Year: 1748 Days

Day: 12.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 20,041,372 km

• M1: 130,599 km (0.12 R)
• M2: 458,517 km (0.106 R)
• M3: 806,781 km (0.08 R)
• M4: 1,186,012 km (0.06 R)
• M5: 1,558,211 km (0.085 R)
• M6: 2,055,176 km (0.11 R)
• M7: 2,478,687 km (0.116 R)
• M8: 2,930,173 km (0.072 R)
• M9: 3,336,930 km (0.077 R)
• M10: 3,799,188 km (0.101 R)
• M11: 5,311,772 km (0.117 R)
• M12: 6,017,275 km (0.105 R)
• M13: 6,521,719 km (0.096 R)
• M14: 7,136,267 km (0.117 R)
• M15: 7,643,853 km (0.047 R)
• M16: 8,388,701 km (0.091 R)
• M17: 9,246,794 km (0.111 R)
• M18: 9,646,519 km (0.046 R)
• M19: 9,988,351 km (0.106 R)
• M20: 11,589,796 km (0.04 R)
• M21: 12,898,628 km (0.086 R)
• M22: 15,157,256 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.4

Radius: 14.1

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.83 AU - 2.09 AU

Year: 1861 Days

Day: 13.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 20,041,372 km

• M1: 175,777 km (0.105 R)
• M2: 661,671 km (0.037 R)
• M3: 1,379,292 km (0.078 R)
• M4: 1,843,495 km (0.105 R)
• M5: 2,298,422 km (0.117 R)
• M6: 3,862,168 km (0.081 R)
• M7: 4,517,108 km (0.095 R)
• M8: 5,155,591 km (0.045 R)
• M9: 6,277,127 km (0.081 R)
• M10: 6,747,762 km (0.092 R)
• M11: 7,469,122 km (0.059 R)
• M12: 9,001,154 km (0.105 R)
• M13: 10,733,946 km (0.105 R)
• M14: 11,486,125 km (0.098 R)
• M15: 15,881,609 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.4

Radius: 12.9

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.68 AU - 2.62 AU

Year: 2138 Days

Day: 10 Hours

Environment

Temp: -213 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 20,041,372 km

• M1: 160,369 km (0.07 R)
• M2: 629,059 km (0.092 R)
• M3: 1,487,900 km (0.105 R)
• M4: 3,261,832 km (0.067 R)
• M5: 4,143,263 km (0.05 R)
• M6: 5,016,914 km (0.03 R)
• M7: 7,908,342 km (0.078 R)
• M8: 9,601,341 km (0.093 R)
• M9: 10,589,884 km (0.099 R)
• M10: 11,404,594 km (0.039 R)
• M11: 12,053,250 km (0.063 R)
• M12: 13,827,930 km (0.078 R)
• M13: 15,919,906 km (0.113 R)
• M14: 16,525,329 km (0.09 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.7

Radius: 9.4

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.19 AU - 2.79 AU

Year: 2665 Days

Day: 11.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 20,041,372 km

• M1: 121,922 km (0.108 R)
• M2: 465,848 km (0.056 R)
• M3: 774,618 km (0.115 R)
• M4: 1,153,250 km (0.052 R)
• M5: 1,495,380 km (0.076 R)
• M6: 1,804,450 km (0.117 R)
• M7: 2,310,240 km (0.114 R)
• M8: 2,742,129 km (0.094 R)
• M9: 3,464,687 km (0.062 R)
• M10: 4,966,649 km (0.117 R)
• M11: 5,284,694 km (0.065 R)
• M12: 6,295,976 km (0.074 R)
• M13: 6,723,676 km (0.084 R)
• M14: 7,199,547 km (0.116 R)
• M15: 9,399,085 km (0.101 R)
• M16: 10,246,706 km (0.084 R)
• M17: 11,376,768 km (0.095 R)
• M18: 13,224,901 km (0.097 R)
• M19: 13,794,120 km (0.117 R)
• M20: 16,384,707 km (0.113 R)
• M21: 16,736,112 km (0.039 R)

Planet 9 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.3

Radius: 11.1

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.35 AU - 3.53 AU

Year: 3419 Days

Day: 10.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 20,041,372 km

• M1: 161,715 km (0.092 R)
• M2: 772,075 km (0.102 R)
• M3: 1,560,605 km (0.113 R)
• M4: 1,939,686 km (0.098 R)
• M5: 2,339,262 km (0.115 R)
• M6: 3,431,476 km (0.118 R)
• M7: 4,122,768 km (0.114 R)
• M8: 4,501,998 km (0.038 R)
• M9: 4,950,792 km (0.082 R)
• M10: 5,404,672 km (0.073 R)
• M11: 7,023,620 km (0.035 R)
• M12: 7,535,993 km (0.116 R)
• M13: 8,008,722 km (0.099 R)
• M14: 13,980,968 km (0.117 R)
• M15: 15,993,060 km (0.09 R)
• M16: 18,813,578 km (0.08 R)
• M17: 19,508,759 km (0.108 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 464 - 18,549 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit