🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.46 AU - 0.64 AU

Year: 263 Days

Day: 33.2 Hours

Environment

Temp: -125 °C

Axial Tilt: 38.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.51 AU - 0.63 AU

Year: 278 Days

Day: 25.6 Hours

Environment

Temp: -120 °C

Axial Tilt: 8.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.87 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.2

Radius: 11.5

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.92 AU - 1.42 AU

Year: 817 Days

Day: 14.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,749,384 km

• M1: 143,464 km (0.109 R)
• M2: 572,511 km (0.112 R)
• M3: 930,200 km (0.118 R)
• M4: 1,634,207 km (0.073 R)
• M5: 2,463,428 km (0.099 R)
• M6: 2,957,849 km (0.089 R)
• M7: 3,920,811 km (0.116 R)
• M8: 5,112,956 km (0.062 R)
• M9: 5,784,501 km (0.03 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.3

Radius: 11.6

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.82 AU - 2.38 AU

Year: 1965 Days

Day: 7.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,749,384 km

• M1: 357,539 km (0.118 R)
• M2: 946,057 km (0.099 R)
• M3: 1,364,333 km (0.067 R)
• M4: 2,209,860 km (0.053 R)
• M5: 3,778,244 km (0.105 R)
• M6: 4,195,323 km (0.099 R)
• M7: 4,732,828 km (0.097 R)
• M8: 5,883,385 km (0.077 R)
• M9: 8,758,058 km (0.093 R)
• M10: 9,148,658 km (0.1 R)
• M11: 10,055,370 km (0.039 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.2

Radius: 9

Gravity: 7.51 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.39 AU - 2.71 AU

Year: 2629 Days

Day: 8.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 43,749,384 km

• M1: 112,198 km (0.105 R)
• M2: 442,211 km (0.101 R)
• M3: 850,613 km (0.115 R)
• M4: 1,135,149 km (0.071 R)
• M5: 1,544,598 km (0.037 R)
• M6: 2,769,954 km (0.058 R)
• M7: 3,055,088 km (0.031 R)
• M8: 4,111,249 km (0.096 R)
• M9: 5,714,489 km (0.118 R)
• M10: 6,313,329 km (0.111 R)
• M11: 7,185,934 km (0.118 R)
• M12: 8,559,691 km (0.042 R)
• M13: 9,169,302 km (0.092 R)
• M14: 9,449,499 km (0.079 R)
• M15: 10,174,899 km (0.106 R)
• M16: 10,742,922 km (0.113 R)
• M17: 12,660,468 km (0.101 R)
• M18: 13,140,228 km (0.073 R)
• M19: 13,496,720 km (0.057 R)
• M20: 14,369,324 km (0.101 R)
• M21: 16,534,155 km (0.062 R)
• M22: 17,748,142 km (0.074 R)
• M23: 18,074,415 km (0.1 R)
• M24: 18,738,928 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.6

Radius: 9.5

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.42 AU - 3.96 AU

Year: 3679 Days

Day: 10.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 43,749,384 km

• M1: 136,433 km (0.072 R)
• M2: 599,439 km (0.103 R)
• M3: 1,562,849 km (0.077 R)
• M4: 2,511,599 km (0.105 R)
• M5: 5,516,721 km (0.096 R)
• M6: 6,009,197 km (0.079 R)
• M7: 6,838,567 km (0.119 R)
• M8: 9,156,586 km (0.05 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.4

Radius: 14.9

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 4.23 AU - 5.23 AU

Year: 6642 Days

Day: 5.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,749,384 km

• M1: 185,352 km (0.117 R)
• M2: 994,975 km (0.075 R)
• M3: 1,546,842 km (0.087 R)
• M4: 3,994,712 km (0.091 R)
• M5: 6,750,155 km (0.111 R)
• M6: 9,142,225 km (0.042 R)
• M7: 10,156,050 km (0.096 R)
• M8: 12,631,595 km (0.098 R)
• M9: 14,474,342 km (0.112 R)
• M10: 15,538,132 km (0.077 R)
• M11: 20,569,707 km (0.095 R)
• M12: 21,459,515 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.3

Radius: 8.1

Gravity: 15.06 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 5.02 AU - 6.3 AU

Year: 8694 Days

Day: 5 Hours

Environment

Temp: -210 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 43,749,384 km

• M1: 105,466 km (0.113 R)
• M2: 625,020 km (0.093 R)
• M3: 1,113,607 km (0.116 R)
• M4: 1,377,647 km (0.03 R)
• M5: 2,175,901 km (0.111 R)
• M6: 2,910,576 km (0.064 R)
• M7: 3,347,552 km (0.102 R)
• M8: 4,015,506 km (0.099 R)
• M9: 4,439,616 km (0.095 R)
• M10: 5,683,373 km (0.115 R)
• M11: 7,348,547 km (0.114 R)
• M12: 8,382,417 km (0.082 R)
• M13: 10,789,597 km (0.109 R)
• M14: 11,167,331 km (0.095 R)
• M15: 12,121,915 km (0.113 R)
• M16: 13,560,598 km (0.081 R)
• M17: 14,580,856 km (0.068 R)
• M18: 16,773,362 km (0.101 R)
• M19: 18,098,650 km (0.116 R)
• M20: 18,864,441 km (0.058 R)
• M21: 20,542,630 km (0.075 R)
• M22: 21,375,741 km (0.061 R)
• M23: 21,630,057 km (0.03 R)
• M24: 23,647,235 km (0.108 R)
• M25: 26,268,189 km (0.11 R)
• M26: 28,254,699 km (0.119 R)
• M27: 29,914,488 km (0.119 R)
• M28: 37,205,439 km (0.119 R)
• M29: 39,578,510 km (0.102 R)
• M30: 39,962,229 km (0.073 R)
• M31: 41,917,922 km (0.119 R)
• M32: 42,717,822 km (0.116 R)
• M33: 46,443,706 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 329.2

Radius: 5

Gravity: 13.17 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 6.77 AU - 7.71 AU

Year: 12578 Days

Day: 19.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 43,749,384 km

• M1: 79,885 km (0.071 R)
• M2: 449,691 km (0.066 R)
• M3: 614,847 km (0.103 R)
• M4: 778,059 km (0.104 R)
• M5: 1,376,300 km (0.081 R)
• M6: 2,459,389 km (0.119 R)
• M7: 3,487,426 km (0.101 R)
• M8: 3,834,642 km (0.12 R)
• M9: 4,177,371 km (0.111 R)
• M10: 4,833,507 km (0.099 R)
• M11: 6,603,100 km (0.065 R)
• M12: 8,152,785 km (0.056 R)
• M13: 8,324,224 km (0.102 R)
• M14: 8,808,472 km (0.077 R)
• M15: 10,125,382 km (0.09 R)
• M16: 10,934,108 km (0.057 R)
• M17: 11,142,797 km (0.097 R)
• M18: 14,227,505 km (0.085 R)
• M19: 15,897,317 km (0.097 R)
• M20: 20,240,891 km (0.082 R)
• M21: 24,861,820 km (0.044 R)
• M22: 26,514,577 km (0.113 R)
• M23: 27,559,967 km (0.06 R)
• M24: 29,229,030 km (0.072 R)
• M25: 30,241,658 km (0.075 R)
• M26: 38,232,728 km (0.113 R)
• M27: 39,077,357 km (0.1 R)
• M28: 41,940,062 km (0.085 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: 522 - 19,037 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit