🌌 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 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.82

Radius: 0.92

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.44 AU - 0.62 AU

Year: 249 Days

Day: 37.9 Hours

Environment

Temp: -122 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.5

Radius: 12.6

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.83 AU - 1.01 AU

Year: 570 Days

Day: 9.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,767,589 km

• M1: 156,779 km (0.102 R)
• M2: 592,408 km (0.09 R)
• M3: 1,050,327 km (0.09 R)
• M4: 1,450,202 km (0.095 R)
• M5: 1,890,169 km (0.085 R)
• M6: 2,354,521 km (0.065 R)
• M7: 2,757,687 km (0.076 R)
• M8: 3,265,572 km (0.112 R)
• M9: 3,718,853 km (0.108 R)
• M10: 4,117,233 km (0.087 R)
• M11: 4,603,426 km (0.086 R)
• M12: 5,240,862 km (0.077 R)
• M13: 5,848,230 km (0.107 R)
• M14: 6,279,071 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.9

Radius: 11

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.27 AU - 1.27 AU

Year: 924 Days

Day: 14.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,767,589 km

• M1: 136,882 km (0.036 R)
• M2: 593,156 km (0.078 R)
• M3: 958,474 km (0.115 R)
• M4: 1,311,225 km (0.09 R)
• M5: 1,707,959 km (0.057 R)
• M6: 2,195,947 km (0.096 R)
• M7: 2,544,061 km (0.106 R)
• M8: 3,075,433 km (0.054 R)
• M9: 3,529,014 km (0.048 R)
• M10: 5,399,735 km (0.034 R)
• M11: 6,414,308 km (0.087 R)
• M12: 6,802,814 km (0.1 R)
• M13: 7,476,902 km (0.103 R)
• M14: 8,274,707 km (0.077 R)
• M15: 9,242,605 km (0.067 R)
• M16: 9,591,168 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.8

Radius: 10.1

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.16 AU - 1.4 AU

Year: 935 Days

Day: 10.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,767,589 km

• M1: 125,662 km (0.094 R)
• M2: 461,210 km (0.103 R)
• M3: 895,792 km (0.102 R)
• M4: 1,222,963 km (0.12 R)
• M5: 1,631,814 km (0.088 R)
• M6: 1,957,039 km (0.12 R)
• M7: 2,719,240 km (0.091 R)
• M8: 3,244,628 km (0.116 R)
• M9: 4,578,592 km (0.1 R)
• M10: 5,009,733 km (0.108 R)
• M11: 6,247,057 km (0.105 R)
• M12: 6,694,804 km (0.101 R)
• M13: 7,229,616 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.6

Radius: 14.2

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.2 AU - 3.08 AU

Year: 2770 Days

Day: 14.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,767,589 km

• M1: 187,446 km (0.107 R)
• M2: 1,004,101 km (0.117 R)
• M3: 1,456,036 km (0.112 R)
• M4: 2,151,068 km (0.114 R)
• M5: 4,027,923 km (0.067 R)
• M6: 4,673,437 km (0.086 R)
• M7: 8,610,554 km (0.053 R)
• M8: 11,011,151 km (0.082 R)
• M9: 12,147,048 km (0.087 R)
• M10: 14,019,415 km (0.09 R)
• M11: 15,150,674 km (0.06 R)
• M12: 15,764,474 km (0.093 R)
• M13: 16,933,133 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.3

Radius: 10.5

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.48 AU - 3.26 AU

Year: 3139 Days

Day: 10.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,767,589 km

• M1: 132,544 km (0.12 R)
• M2: 549,772 km (0.09 R)
• M3: 1,002,306 km (0.061 R)
• M4: 1,631,066 km (0.065 R)
• M5: 2,240,976 km (0.112 R)
• M6: 2,865,248 km (0.077 R)
• M7: 3,468,127 km (0.12 R)
• M8: 3,844,366 km (0.036 R)
• M9: 4,209,983 km (0.102 R)
• M10: 4,885,268 km (0.104 R)
• M11: 5,585,386 km (0.111 R)
• M12: 6,707,370 km (0.034 R)
• M13: 7,488,271 km (0.108 R)
• M14: 8,268,723 km (0.089 R)
• M15: 10,615,465 km (0.086 R)
• M16: 11,979,947 km (0.107 R)
• M17: 14,004,754 km (0.099 R)
• M18: 14,698,440 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.2

Radius: 8.7

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 3.5 AU - 3.82 AU

Year: 4521 Days

Day: 12 Hours

Environment

Temp: -218 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,767,589 km

• M1: 110,852 km (0.101 R)
• M2: 389,553 km (0.085 R)
• M3: 1,173,446 km (0.084 R)
• M4: 1,519,466 km (0.118 R)
• M5: 2,068,490 km (0.072 R)
• M6: 2,611,530 km (0.114 R)
• M7: 3,323,018 km (0.059 R)
• M8: 3,724,389 km (0.114 R)
• M9: 5,917,045 km (0.12 R)
• M10: 7,982,542 km (0.101 R)
• M11: 8,266,330 km (0.039 R)
• M12: 9,043,341 km (0.103 R)
• M13: 9,747,498 km (0.111 R)
• M14: 10,871,427 km (0.09 R)
• M15: 12,933,185 km (0.066 R)
• M16: 14,496,782 km (0.087 R)
• M17: 16,126,351 km (0.097 R)
• M18: 19,680,797 km (0.105 R)
• M19: 20,004,227 km (0.043 R)

Asteroid Belt

Center: 4.18 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958

Radius: 9.5

Gravity: 10.61 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 4.22 AU - 5.16 AU

Year: 6558 Days

Day: 13.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,767,589 km

• M1: 118,182 km (0.112 R)
• M2: 939,026 km (0.12 R)
• M3: 1,379,143 km (0.103 R)
• M4: 2,228,709 km (0.078 R)
• M5: 2,566,950 km (0.114 R)
• M6: 3,370,739 km (0.093 R)
• M7: 3,868,451 km (0.082 R)
• M8: 4,253,516 km (0.119 R)
• M9: 5,532,877 km (0.109 R)
• M10: 6,124,387 km (0.082 R)
• M11: 8,030,414 km (0.104 R)
• M12: 10,302,207 km (0.112 R)
• M13: 10,693,854 km (0.11 R)
• M14: 11,663,996 km (0.082 R)
• M15: 13,085,326 km (0.113 R)
• M16: 13,428,952 km (0.107 R)
• M17: 18,108,972 km (0.105 R)
• M18: 22,607,230 km (0.081 R)
• M19: 26,048,280 km (0.117 R)
• M20: 37,052,401 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 189.6

Radius: 4.8

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 7.44 AU - 11.96 AU

Year: 19506 Days

Day: 16.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,767,589 km

• M1: 59,839 km (0.072 R)
• M2: 307,573 km (0.081 R)
• M3: 473,178 km (0.086 R)
• M4: 848,519 km (0.096 R)
• M5: 1,272,330 km (0.113 R)
• M6: 1,582,147 km (0.099 R)
• M7: 1,990,998 km (0.062 R)
• M8: 2,467,318 km (0.047 R)
• M9: 2,904,742 km (0.094 R)
• M10: 4,739,111 km (0.083 R)
• M11: 6,258,427 km (0.089 R)
• M12: 6,635,563 km (0.095 R)
• M13: 8,031,610 km (0.061 R)
• M14: 8,476,814 km (0.106 R)
• M15: 10,899,402 km (0.092 R)
• M16: 13,251,679 km (0.078 R)
• M17: 15,852,886 km (0.081 R)
• M18: 16,838,138 km (0.041 R)
• M19: 17,566,530 km (0.11 R)
• M20: 18,698,088 km (0.066 R)
• M21: 19,797,333 km (0.111 R)
• M22: 26,621,988 km (0.028 R)
• M23: 29,135,831 km (0.032 R)
• M24: 31,584,150 km (0.086 R)
• M25: 37,250,767 km (0.108 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 513 - 13,880 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit