🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.88 AU - 0.96 AU

Year: 318 Days

Day: 43.5 Hours

Environment

Temp: 168 °C

Axial Tilt: 162.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.59 AU - 1.81 AU

Year: 798 Days

Day: 35.2 Hours

Environment

Temp: -34 °C

Axial Tilt: 39.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.51 AU - 2.35 AU

Year: 965 Days

Day: 42.9 Hours

Environment

Temp: -67 °C

Axial Tilt: 25.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.73 AU - 3.19 AU

Year: 1833 Days

Day: 14.8 Hours

Environment

Temp: -96 °C

Axial Tilt: 38.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 54,025,192 km

• M1: 66,870 km (0.12 R)
• M2: 1,380,788 km (0.089 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 3.8 AU - 4.34 AU

Year: 2955 Days

Day: 41.5 Hours

Environment

Temp: -122 °C

Axial Tilt: 6.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 4.48 AU - 4.58 AU

Year: 3470 Days

Day: 21.7 Hours

Environment

Temp: -125 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.4

Radius: 12.5

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 4.56 AU - 6.06 AU

Year: 4404 Days

Day: 7.4 Hours

Environment

Temp: -136 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 54,025,192 km

• M1: 157,227 km (0.112 R)
• M2: 256,860 km (0.085 R)
• M3: 456,872 km (0.079 R)
• M4: 572,511 km (0.11 R)
• M5: 656,435 km (0.066 R)
• M6: 829,221 km (0.103 R)
• M7: 1,091,765 km (0.114 R)
• M8: 1,346,830 km (0.077 R)
• M9: 1,499,719 km (0.118 R)
• M10: 1,609,224 km (0.039 R)
• M11: 1,875,509 km (0.098 R)
• M12: 1,954,197 km (0.104 R)
• M13: 2,308,894 km (0.039 R)
• M14: 2,493,946 km (0.062 R)
• M15: 2,595,822 km (0.057 R)
• M16: 2,773,545 km (0.108 R)
• M17: 2,955,456 km (0.073 R)
• M18: 3,251,659 km (0.053 R)
• M19: 3,460,049 km (0.112 R)
• M20: 3,606,954 km (0.114 R)
• M21: 3,772,559 km (0.06 R)
• M22: 3,957,761 km (0.119 R)
• M23: 4,128,752 km (0.052 R)
• M24: 4,407,452 km (0.089 R)
• M25: 4,531,469 km (0.073 R)
• M26: 4,782,794 km (0.12 R)
• M27: 4,873,749 km (0.098 R)
• M28: 5,187,157 km (0.046 R)
• M29: 5,299,355 km (0.064 R)
• M30: 5,507,296 km (0.093 R)
• M31: 6,166,873 km (0.095 R)
• M32: 6,325,896 km (0.071 R)
• M33: 6,445,873 km (0.074 R)
• M34: 6,526,357 km (0.108 R)
• M35: 7,391,631 km (0.048 R)
• M36: 7,539,433 km (0.087 R)
• M37: 7,666,741 km (0.106 R)
• M38: 7,966,984 km (0.108 R)
• M39: 8,075,143 km (0.073 R)
• M40: 8,183,752 km (0.049 R)
• M41: 8,424,454 km (0.098 R)
• M42: 8,645,411 km (0.058 R)
• M43: 8,734,272 km (0.044 R)
• M44: 8,823,432 km (0.112 R)
• M45: 9,115,447 km (0.095 R)
• M46: 9,342,387 km (0.047 R)
• M47: 9,848,028 km (0.091 R)
• M48: 9,940,928 km (0.095 R)
• M49: 10,244,761 km (0.082 R)
• M50: 10,457,041 km (0.101 R)
• M51: 10,790,046 km (0.072 R)
• M52: 11,589,048 km (0.112 R)
• M53: 11,687,184 km (0.1 R)
• M54: 11,933,721 km (0.11 R)
• M55: 12,407,049 km (0.108 R)
• M56: 12,734,369 km (0.102 R)
• M57: 13,449,148 km (0.034 R)
• M58: 14,334,618 km (0.107 R)
• M59: 14,413,755 km (0.12 R)
• M60: 14,519,371 km (0.07 R)
• M61: 14,757,830 km (0.119 R)
• M62: 15,158,453 km (0.083 R)
• M63: 15,292,792 km (0.112 R)
• M64: 15,427,430 km (0.057 R)
• M65: 16,326,513 km (0.112 R)
• M66: 16,824,076 km (0.086 R)
• M67: 17,186,551 km (0.117 R)
• M68: 17,326,575 km (0.111 R)
• M69: 17,467,047 km (0.025 R)
• M70: 17,579,695 km (0.078 R)
• M71: 17,692,641 km (0.12 R)
• M72: 18,004,403 km (0.05 R)
• M73: 18,146,671 km (0.073 R)
• M74: 18,834,821 km (0.085 R)
• M75: 19,502,476 km (0.119 R)
• M76: 19,619,312 km (0.073 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817

Radius: 12.1

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 9.46 AU - 10.04 AU

Year: 10957 Days

Day: 13.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 54,025,192 km

• M1: 152,141 km (0.101 R)
• M2: 291,566 km (0.113 R)
• M3: 376,388 km (0.119 R)
• M4: 488,287 km (0.106 R)
• M5: 883,675 km (0.104 R)
• M6: 1,346,680 km (0.106 R)
• M7: 1,728,005 km (0.065 R)
• M8: 1,828,684 km (0.086 R)
• M9: 2,389,976 km (0.104 R)
• M10: 2,793,142 km (0.095 R)
• M11: 2,972,659 km (0.076 R)
• M12: 3,155,917 km (0.069 R)
• M13: 3,280,382 km (0.095 R)
• M14: 3,728,577 km (0.098 R)
• M15: 3,926,645 km (0.092 R)
• M16: 4,094,494 km (0.092 R)
• M17: 4,264,736 km (0.059 R)
• M18: 4,507,085 km (0.1 R)
• M19: 4,789,675 km (0.116 R)
• M20: 5,558,907 km (0.073 R)
• M21: 6,287,898 km (0.109 R)
• M22: 6,445,275 km (0.069 R)
• M23: 7,128,638 km (0.114 R)
• M24: 7,793,002 km (0.05 R)
• M25: 8,520,646 km (0.065 R)
• M26: 9,002,949 km (0.059 R)
• M27: 9,449,350 km (0.086 R)
• M28: 9,629,914 km (0.05 R)
• M29: 9,857,153 km (0.095 R)
• M30: 9,994,484 km (0.095 R)
• M31: 10,178,340 km (0.104 R)
• M32: 10,596,466 km (0.115 R)
• M33: 10,878,458 km (0.037 R)
• M34: 14,762,318 km (0.104 R)
• M35: 14,972,054 km (0.087 R)
• M36: 15,341,561 km (0.115 R)
• M37: 15,660,653 km (0.078 R)
• M38: 16,794,605 km (0.103 R)
• M39: 17,731,836 km (0.07 R)
• M40: 19,657,011 km (0.117 R)
• M41: 19,772,351 km (0.055 R)
• M42: 20,119,567 km (0.112 R)
• M43: 21,588,319 km (0.092 R)
• M44: 22,667,069 km (0.085 R)
• M45: 23,152,215 km (0.074 R)
• M46: 23,273,988 km (0.086 R)
• M47: 24,009,261 km (0.093 R)
• M48: 24,441,749 km (0.087 R)
• M49: 25,628,658 km (0.077 R)
• M50: 27,090,379 km (0.08 R)
• M51: 27,218,734 km (0.098 R)
• M52: 27,540,669 km (0.107 R)
• M53: 29,432,184 km (0.079 R)
• M54: 29,630,252 km (0.115 R)
• M55: 30,761,062 km (0.108 R)
• M56: 30,894,952 km (0.12 R)
• M57: 31,702,781 km (0.05 R)
• M58: 32,722,440 km (0.085 R)
• M59: 33,064,720 km (0.109 R)
• M60: 34,584,784 km (0.071 R)
• M61: 35,423,429 km (0.084 R)
• M62: 36,198,197 km (0.111 R)
• M63: 37,477,857 km (0.04 R)
• M64: 37,692,530 km (0.046 R)
• M65: 38,339,241 km (0.106 R)
• M66: 39,062,098 km (0.057 R)
• M67: 40,888,688 km (0.108 R)
• M68: 42,593,655 km (0.098 R)
• M69: 42,817,753 km (0.067 R)
• M70: 43,267,145 km (0.117 R)
• M71: 44,019,622 km (0.064 R)
• M72: 46,456,572 km (0.119 R)
• M73: 47,923,977 km (0.098 R)
• M74: 48,624,544 km (0.092 R)
• M75: 48,780,574 km (0.066 R)
• M76: 48,936,904 km (0.081 R)
• M77: 49,250,013 km (0.117 R)
• M78: 49,642,258 km (0.064 R)
• M79: 50,587,866 km (0.115 R)
• M80: 51,300,999 km (0.088 R)
• M81: 51,380,585 km (0.118 R)
• M82: 52,977,992 km (0.082 R)
• M83: 53,782,978 km (0.117 R)
• M84: 54,025,177 km (0.061 R)

Kuiper Belt

Range: 30.5 - 53.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 354 - 11,325 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit