🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.39 AU - 0.63 AU

Year: 135 Days

Day: 17.6 Hours

Environment

Temp: 215 °C

Axial Tilt: 28.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 72,961,320 km

• M1: 37,549 km (0.102 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.61 AU - 0.91 AU

Year: 246 Days

Day: 37.8 Hours

Environment

Temp: 117 °C

Axial Tilt: 15.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 72,961,320 km

• M1: 100,530 km (0.109 R)
• M2: 150,495 km (0.092 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.16

Radius: 1.58

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.77 AU - 1.09 AU

Year: 333 Days

Day: 28.6 Hours

Environment

Temp: 26 °C

Axial Tilt: 36.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 2.88 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.7

Radius: 9.1

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 3.69 AU - 5.95 AU

Year: 3924 Days

Day: 7.3 Hours

Environment

Temp: -137 °C

Axial Tilt: 104 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,961,320 km

• M1: 127,457 km (0.05 R)
• M2: 426,952 km (0.093 R)
• M3: 910,901 km (0.111 R)
• M4: 1,198,728 km (0.086 R)
• M5: 1,941,032 km (0.03 R)
• M6: 2,313,531 km (0.118 R)
• M7: 2,623,947 km (0.103 R)
• M8: 3,275,296 km (0.091 R)
• M9: 3,866,806 km (0.112 R)
• M10: 4,306,773 km (0.063 R)
• M11: 4,756,464 km (0.093 R)
• M12: 5,114,153 km (0.098 R)
• M13: 6,669,372 km (0.088 R)
• M14: 7,365,900 km (0.115 R)
• M15: 9,010,579 km (0.039 R)
• M16: 10,169,813 km (0.082 R)
• M17: 10,684,430 km (0.088 R)
• M18: 11,509,911 km (0.112 R)
• M19: 12,332,998 km (0.034 R)
• M20: 13,569,275 km (0.068 R)
• M21: 15,395,117 km (0.071 R)
• M22: 16,609,403 km (0.092 R)
• M23: 17,323,284 km (0.087 R)
• M24: 20,385,103 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.7

Radius: 12.7

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 5.09 AU - 5.11 AU

Year: 4271 Days

Day: 6.2 Hours

Environment

Temp: -136 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,961,320 km

• M1: 157,975 km (0.116 R)
• M2: 562,937 km (0.119 R)
• M3: 992,881 km (0.09 R)
• M4: 1,425,518 km (0.052 R)
• M5: 1,839,904 km (0.078 R)
• M6: 3,519,739 km (0.06 R)
• M7: 4,175,725 km (0.032 R)
• M8: 4,732,828 km (0.083 R)
• M9: 5,284,395 km (0.093 R)
• M10: 5,820,105 km (0.066 R)
• M11: 6,237,932 km (0.084 R)
• M12: 8,077,836 km (0.057 R)
• M13: 10,385,084 km (0.096 R)
• M14: 11,182,740 km (0.108 R)
• M15: 12,261,041 km (0.107 R)
• M16: 15,797,984 km (0.091 R)
• M17: 18,017,717 km (0.12 R)
• M18: 20,099,072 km (0.113 R)
• M19: 20,506,427 km (0.106 R)
• M20: 21,058,294 km (0.032 R)
• M21: 22,553,973 km (0.095 R)
• M22: 24,734,362 km (0.074 R)
• M23: 26,642,483 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.8

Radius: 14.9

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 11.07 AU - 11.63 AU

Year: 14181 Days

Day: 5.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,961,320 km

• M1: 185,352 km (0.084 R)
• M2: 999,314 km (0.094 R)
• M3: 1,661,584 km (0.111 R)
• M4: 2,910,277 km (0.114 R)
• M5: 3,403,950 km (0.087 R)
• M6: 4,563,034 km (0.092 R)
• M7: 5,134,797 km (0.089 R)
• M8: 8,843,179 km (0.103 R)
• M9: 10,311,332 km (0.089 R)
• M10: 11,936,863 km (0.067 R)
• M11: 14,185,618 km (0.087 R)
• M12: 16,265,178 km (0.053 R)
• M13: 19,182,187 km (0.115 R)
• M14: 20,339,925 km (0.088 R)
• M15: 24,953,822 km (0.12 R)
• M16: 26,939,734 km (0.084 R)
• M17: 29,459,411 km (0.105 R)
• M18: 35,329,033 km (0.1 R)
• M19: 37,574,348 km (0.092 R)
• M20: 49,016,191 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 485.7

Radius: 4.6

Gravity: 22.95 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 11.67 AU - 13.03 AU

Year: 16096 Days

Day: 20.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 72,961,320 km

• M1: 57,745 km (0.087 R)
• M2: 251,175 km (0.072 R)
• M3: 656,435 km (0.109 R)
• M4: 847,771 km (0.085 R)
• M5: 1,099,844 km (0.084 R)
• M6: 1,721,124 km (0.094 R)
• M7: 2,183,979 km (0.08 R)
• M8: 2,362,300 km (0.079 R)
• M9: 2,593,279 km (0.069 R)
• M10: 2,932,567 km (0.074 R)
• M11: 3,125,249 km (0.062 R)
• M12: 3,536,045 km (0.039 R)
• M13: 3,782,433 km (0.117 R)
• M14: 4,188,591 km (0.106 R)
• M15: 5,260,011 km (0.113 R)
• M16: 5,436,985 km (0.103 R)
• M17: 6,030,141 km (0.085 R)
• M18: 8,398,873 km (0.086 R)
• M19: 9,189,648 km (0.071 R)
• M20: 9,603,136 km (0.095 R)
• M21: 10,691,012 km (0.078 R)
• M22: 12,788,224 km (0.101 R)
• M23: 14,101,993 km (0.105 R)
• M24: 14,306,493 km (0.036 R)
• M25: 14,651,765 km (0.063 R)
• M26: 17,071,511 km (0.088 R)
• M27: 26,726,856 km (0.1 R)
• M28: 28,210,119 km (0.102 R)
• M29: 37,489,675 km (0.055 R)
• M30: 44,689,671 km (0.113 R)
• M31: 58,352,145 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 356.9

Radius: 5.5

Gravity: 11.8 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 13.4 AU - 20.62 AU

Year: 26017 Days

Day: 20.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 72,961,320 km

• M1: 68,366 km (0.08 R)
• M2: 243,845 km (0.106 R)
• M3: 426,504 km (0.116 R)
• M4: 803,041 km (0.087 R)
• M5: 1,334,862 km (0.083 R)
• M6: 2,261,022 km (0.041 R)
• M7: 3,441,050 km (0.096 R)
• M8: 3,820,879 km (0.064 R)
• M9: 4,425,703 km (0.09 R)
• M10: 4,803,887 km (0.112 R)
• M11: 5,353,958 km (0.072 R)
• M12: 5,546,341 km (0.109 R)
• M13: 6,235,538 km (0.117 R)
• M14: 7,303,218 km (0.059 R)
• M15: 9,966,958 km (0.11 R)
• M16: 11,230,462 km (0.118 R)
• M17: 14,736,587 km (0.074 R)
• M18: 15,039,074 km (0.039 R)
• M19: 15,422,942 km (0.071 R)
• M20: 16,370,794 km (0.118 R)
• M21: 17,440,868 km (0.094 R)
• M22: 18,121,987 km (0.055 R)
• M23: 22,188,805 km (0.032 R)
• M24: 26,268,040 km (0.119 R)
• M25: 28,776,048 km (0.055 R)
• M26: 29,011,665 km (0.067 R)
• M27: 35,464,270 km (0.049 R)
• M28: 37,670,240 km (0.027 R)
• M29: 38,520,405 km (0.105 R)
• M30: 42,353,102 km (0.087 R)
• M31: 42,658,132 km (0.079 R)
• M32: 43,736,882 km (0.11 R)
• M33: 44,048,495 km (0.027 R)
• M34: 54,097,881 km (0.07 R)
• M35: 57,014,591 km (0.075 R)
• M36: 63,158,875 km (0.116 R)
• M37: 66,801,732 km (0.103 R)
• M38: 67,837,997 km (0.118 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 273 - 10,277 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit