🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.01 AU - 1.15 AU

Year: 430 Days

Day: 28 Hours

Environment

Temp: -9 °C

Axial Tilt: 25.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.99 AU - 4.47 AU

Year: 2758 Days

Day: 39.9 Hours

Environment

Temp: -127 °C

Axial Tilt: 1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.1

Radius: 8.5

Gravity: 11.2 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 5.17 AU - 5.23 AU

Year: 4540 Days

Day: 13.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 87,897,617 km

• M1: 105,766 km (0.03 R)
• M2: 549,772 km (0.091 R)
• M3: 1,341,145 km (0.111 R)
• M4: 2,161,240 km (0.108 R)
• M5: 3,404,100 km (0.092 R)
• M6: 4,421,515 km (0.087 R)
• M7: 4,828,271 km (0.098 R)
• M8: 5,315,512 km (0.119 R)
• M9: 6,325,148 km (0.109 R)
• M10: 8,956,125 km (0.11 R)
• M11: 9,483,757 km (0.06 R)
• M12: 10,467,812 km (0.107 R)
• M13: 10,916,306 km (0.103 R)
• M14: 12,487,981 km (0.101 R)
• M15: 13,616,099 km (0.105 R)
• M16: 14,478,232 km (0.058 R)
• M17: 14,810,638 km (0.1 R)
• M18: 15,205,128 km (0.108 R)
• M19: 15,838,974 km (0.114 R)
• M20: 17,036,355 km (0.093 R)
• M21: 19,076,272 km (0.072 R)
• M22: 20,086,357 km (0.105 R)
• M23: 21,703,659 km (0.109 R)
• M24: 22,359,646 km (0.099 R)
• M25: 24,095,879 km (0.107 R)
• M26: 28,522,180 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.4

Radius: 9.2

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 5.06 AU - 5.58 AU

Year: 4698 Days

Day: 10.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 87,897,617 km

• M1: 114,442 km (0.104 R)
• M2: 455,226 km (0.082 R)
• M3: 751,131 km (0.095 R)
• M4: 1,225,057 km (0.057 R)
• M5: 3,101,313 km (0.102 R)
• M6: 3,746,978 km (0.12 R)
• M7: 4,501,250 km (0.062 R)
• M8: 5,256,420 km (0.118 R)
• M9: 5,804,996 km (0.09 R)
• M10: 7,589,250 km (0.071 R)
• M11: 11,048,551 km (0.104 R)
• M12: 12,288,418 km (0.106 R)
• M13: 19,031,692 km (0.053 R)

Planet 5 - Ice Giant

Semi-Major Axis: 15.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 448.4

Radius: 7.7

Gravity: 7.56 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 13.96 AU - 17.3 AU

Year: 23660 Days

Day: 18.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 87,897,617 km

• M1: 96,341 km (0.08 R)
• M2: 427,252 km (0.096 R)
• M3: 704,008 km (0.053 R)
• M4: 1,065,885 km (0.105 R)
• M5: 1,990,400 km (0.118 R)
• M6: 2,747,963 km (0.103 R)
• M7: 3,369,692 km (0.102 R)
• M8: 7,660,757 km (0.047 R)
• M9: 10,235,187 km (0.033 R)
• M10: 10,775,086 km (0.106 R)
• M11: 11,977,105 km (0.084 R)
• M12: 12,441,606 km (0.069 R)
• M13: 13,907,665 km (0.065 R)
• M14: 14,199,531 km (0.105 R)
• M15: 16,847,413 km (0.108 R)
• M16: 20,177,013 km (0.11 R)
• M17: 20,740,099 km (0.09 R)
• M18: 21,604,176 km (0.077 R)
• M19: 22,193,443 km (0.115 R)
• M20: 25,736,668 km (0.119 R)
• M21: 26,846,535 km (0.092 R)
• M22: 31,480,628 km (0.054 R)
• M23: 33,526,828 km (0.087 R)
• M24: 34,849,871 km (0.108 R)
• M25: 36,069,991 km (0.111 R)
• M26: 40,342,806 km (0.117 R)
• M27: 41,536,597 km (0.058 R)
• M28: 43,682,429 km (0.076 R)
• M29: 48,027,200 km (0.095 R)
• M30: 57,190,368 km (0.107 R)
• M31: 61,003,917 km (0.101 R)
• M32: 63,571,615 km (0.112 R)
• M33: 65,187,123 km (0.111 R)
• M34: 72,796,119 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 291.9

Radius: 5.5

Gravity: 9.65 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 14.66 AU - 17.52 AU

Year: 24712 Days

Day: 18.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 87,897,617 km

• M1: 68,366 km (0.094 R)
• M2: 265,087 km (0.075 R)
• M3: 713,881 km (0.051 R)
• M4: 2,107,385 km (0.102 R)
• M5: 2,566,800 km (0.064 R)
• M6: 3,541,580 km (0.089 R)
• M7: 4,220,605 km (0.089 R)
• M8: 4,674,335 km (0.077 R)
• M9: 5,794,374 km (0.094 R)
• M10: 8,805,031 km (0.099 R)
• M11: 11,572,891 km (0.077 R)
• M12: 13,457,974 km (0.108 R)
• M13: 19,700,244 km (0.094 R)
• M14: 22,658,991 km (0.065 R)
• M15: 23,343,551 km (0.083 R)
• M16: 31,928,075 km (0.095 R)
• M17: 44,190,613 km (0.111 R)
• M18: 46,498,908 km (0.107 R)
• M19: 51,020,354 km (0.109 R)
• M20: 59,253,772 km (0.055 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 239.1

Radius: 6.5

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 13.39 AU - 21.99 AU

Year: 28488 Days

Day: 18.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 87,897,617 km

• M1: 309,518 km (0.12 R)
• M2: 1,077,105 km (0.085 R)
• M3: 1,327,232 km (0.077 R)
• M4: 2,079,410 km (0.052 R)
• M5: 2,604,798 km (0.095 R)
• M6: 3,768,670 km (0.063 R)
• M7: 4,224,045 km (0.079 R)
• M8: 5,429,206 km (0.1 R)
• M9: 6,546,253 km (0.09 R)
• M10: 9,496,323 km (0.096 R)
• M11: 15,608,593 km (0.096 R)
• M12: 17,590,166 km (0.076 R)
• M13: 26,109,765 km (0.11 R)
• M14: 27,531,244 km (0.084 R)
• M15: 28,773,654 km (0.09 R)
• M16: 32,975,111 km (0.082 R)
• M17: 37,158,466 km (0.082 R)
• M18: 37,842,577 km (0.083 R)
• M19: 46,087,364 km (0.068 R)
• M20: 55,630,362 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 492.4

Radius: 3.4

Gravity: 42.6 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 15.86 AU - 20.18 AU

Year: 29289 Days

Day: 19 Hours

Environment

Temp: -193 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 87,897,617 km

• M1: 56,099 km (0.103 R)
• M2: 1,604,288 km (0.099 R)
• M3: 1,909,617 km (0.096 R)
• M4: 4,901,275 km (0.104 R)
• M5: 8,263,487 km (0.07 R)
• M6: 13,345,327 km (0.028 R)
• M7: 14,819,315 km (0.05 R)
• M8: 18,829,884 km (0.11 R)
• M9: 22,115,053 km (0.096 R)
• M10: 27,911,223 km (0.075 R)
• M11: 33,383,662 km (0.105 R)
• M12: 38,304,984 km (0.098 R)
• M13: 39,374,908 km (0.104 R)
• M14: 40,621,806 km (0.114 R)
• M15: 44,687,726 km (0.097 R)
• M16: 46,559,495 km (0.091 R)
• M17: 59,100,584 km (0.072 R)
• M18: 73,246,708 km (0.032 R)
• M19: 82,984,482 km (0.091 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 307 - 11,393 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit