🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.03 AU - 1.09 AU

Year: 403 Days

Day: 32.7 Hours

Environment

Temp: 22 °C

Axial Tilt: 47.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 97,643,616 km

• M1: 39,793 km (0.096 R)
• M2: 883,375 km (0.096 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1 AU - 1.16 AU

Year: 414 Days

Day: 20.3 Hours

Environment

Temp: 19 °C

Axial Tilt: 15.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.97 AU - 3.09 AU

Year: 1485 Days

Day: 40.9 Hours

Environment

Temp: -101 °C

Axial Tilt: 3.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.57

Radius: 1.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.48 AU - 3.72 AU

Year: 2014 Days

Day: 22.7 Hours

Environment

Temp: -115 °C

Axial Tilt: 22.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 97,643,616 km

• M1: 37,998 km (0.118 R)
• M2: 183,407 km (0.099 R)

Asteroid Belt

Center: 4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.9

Radius: 8

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 4.3 AU - 5.48 AU

Year: 3990 Days

Day: 12.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 97,643,616 km

• M1: 99,483 km (0.1 R)
• M2: 384,467 km (0.117 R)
• M3: 670,498 km (0.093 R)
• M4: 1,020,856 km (0.113 R)
• M5: 1,281,904 km (0.09 R)
• M6: 1,771,239 km (0.109 R)
• M7: 2,278,824 km (0.038 R)
• M8: 2,998,540 km (0.104 R)
• M9: 3,429,980 km (0.086 R)
• M10: 3,881,766 km (0.113 R)
• M11: 4,175,725 km (0.082 R)
• M12: 4,484,645 km (0.04 R)
• M13: 5,198,376 km (0.082 R)
• M14: 6,236,586 km (0.041 R)
• M15: 6,971,111 km (0.108 R)
• M16: 7,696,661 km (0.099 R)
• M17: 8,298,792 km (0.104 R)
• M18: 9,521,456 km (0.106 R)
• M19: 10,058,213 km (0.11 R)
• M20: 10,374,014 km (0.117 R)
• M21: 11,150,427 km (0.118 R)
• M22: 11,833,790 km (0.108 R)
• M23: 13,096,396 km (0.08 R)
• M24: 14,100,646 km (0.09 R)
• M25: 15,834,037 km (0.111 R)
• M26: 16,100,471 km (0.113 R)
• M27: 17,028,576 km (0.109 R)
• M28: 17,991,986 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.1

Radius: 11.5

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 4.38 AU - 6.66 AU

Year: 4785 Days

Day: 9.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 97,643,616 km

• M1: 147,055 km (0.072 R)
• M2: 630,106 km (0.085 R)
• M3: 995,275 km (0.12 R)
• M4: 1,712,746 km (0.059 R)
• M5: 2,331,932 km (0.047 R)
• M6: 2,813,487 km (0.064 R)
• M7: 3,342,615 km (0.115 R)
• M8: 4,401,768 km (0.065 R)
• M9: 5,314,913 km (0.109 R)
• M10: 5,724,363 km (0.107 R)
• M11: 6,293,882 km (0.071 R)
• M12: 7,770,413 km (0.035 R)
• M13: 9,137,588 km (0.088 R)
• M14: 9,577,555 km (0.067 R)
• M15: 10,779,723 km (0.108 R)
• M16: 11,906,495 km (0.089 R)
• M17: 14,889,326 km (0.06 R)
• M18: 17,710,593 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.7

Radius: 10.5

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 6.06 AU - 8.44 AU

Year: 7203 Days

Day: 11.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 97,643,616 km

• M1: 131,197 km (0.103 R)
• M2: 583,282 km (0.111 R)
• M3: 1,039,256 km (0.108 R)
• M4: 2,049,341 km (0.091 R)
• M5: 2,613,624 km (0.11 R)
• M6: 5,933,650 km (0.12 R)
• M7: 7,047,705 km (0.114 R)
• M8: 7,914,326 km (0.05 R)
• M9: 9,345,529 km (0.108 R)
• M10: 9,858,948 km (0.045 R)
• M11: 10,942,336 km (0.105 R)
• M12: 13,079,043 km (0.042 R)
• M13: 14,106,630 km (0.072 R)
• M14: 15,598,720 km (0.058 R)
• M15: 22,173,396 km (0.106 R)
• M16: 23,710,664 km (0.086 R)
• M17: 26,910,862 km (0.104 R)
• M18: 31,420,639 km (0.12 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.3

Radius: 12

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 9.31 AU - 9.59 AU

Year: 10718 Days

Day: 12.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 97,643,616 km

• M1: 149,448 km (0.101 R)
• M2: 565,330 km (0.063 R)
• M3: 1,128,267 km (0.072 R)
• M4: 1,798,316 km (0.094 R)
• M5: 2,351,379 km (0.097 R)
• M6: 3,751,615 km (0.114 R)
• M7: 4,603,126 km (0.099 R)
• M8: 5,714,639 km (0.107 R)
• M9: 6,997,291 km (0.105 R)
• M10: 7,685,591 km (0.092 R)
• M11: 8,597,838 km (0.079 R)
• M12: 9,056,805 km (0.079 R)
• M13: 9,483,907 km (0.117 R)
• M14: 10,074,369 km (0.098 R)
• M15: 11,059,322 km (0.064 R)
• M16: 11,881,362 km (0.086 R)
• M17: 15,314,035 km (0.084 R)
• M18: 20,389,891 km (0.119 R)
• M19: 20,796,348 km (0.102 R)
• M20: 21,625,419 km (0.039 R)
• M21: 25,537,553 km (0.12 R)
• M22: 27,167,871 km (0.072 R)
• M23: 28,561,674 km (0.109 R)
• M24: 33,029,115 km (0.114 R)
• M25: 34,043,539 km (0.059 R)
• M26: 35,898,253 km (0.112 R)
• M27: 36,970,720 km (0.093 R)
• M28: 41,344,812 km (0.088 R)
• M29: 41,865,712 km (0.083 R)
• M30: 43,723,568 km (0.07 R)
• M31: 45,359,122 km (0.075 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 579

Radius: 3

Gravity: 64.33 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 15.79 AU - 23.09 AU

Year: 31624 Days

Day: 22.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 97,643,616 km

• M1: 46,824 km (0.081 R)
• M2: 210,185 km (0.064 R)
• M3: 2,179,940 km (0.084 R)
• M4: 2,467,467 km (0.108 R)
• M5: 3,326,458 km (0.086 R)
• M6: 5,267,341 km (0.112 R)
• M7: 5,650,910 km (0.105 R)
• M8: 11,103,902 km (0.1 R)
• M9: 12,165,000 km (0.045 R)
• M10: 16,100,022 km (0.074 R)
• M11: 18,018,316 km (0.099 R)
• M12: 19,378,459 km (0.101 R)
• M13: 21,331,759 km (0.104 R)
• M14: 24,559,931 km (0.036 R)
• M15: 27,340,357 km (0.07 R)
• M16: 27,591,682 km (0.097 R)
• M17: 34,238,764 km (0.101 R)
• M18: 43,223,313 km (0.117 R)
• M19: 44,079,013 km (0.076 R)
• M20: 47,433,745 km (0.106 R)
• M21: 55,645,920 km (0.067 R)
• M22: 56,862,001 km (0.073 R)
• M23: 64,311,377 km (0.115 R)
• M24: 66,100,717 km (0.107 R)
• M25: 70,718,953 km (0.104 R)
• M26: 93,601,293 km (0.037 R)
• M27: 94,171,860 km (0.081 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 247 - 14,545 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit