🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.44 AU - 0.6 AU

Year: 135 Days

Day: 14.2 Hours

Environment

Temp: 185 °C

Axial Tilt: 45.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 30,113,288 km

• M1: 189,541 km (0.031 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.6

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.45 AU - 0.75 AU

Year: 167 Days

Day: 39.5 Hours

Environment

Temp: 168 °C

Axial Tilt: 44.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 30,113,288 km

• M1: 193,879 km (0.11 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.26 AU - 1.3 AU

Year: 521 Days

Day: 39 Hours

Environment

Temp: 19 °C

Axial Tilt: 15.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.51 AU - 1.99 AU

Year: 833 Days

Day: 43.6 Hours

Environment

Temp: -48 °C

Axial Tilt: 31.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.37 AU - 2.23 AU

Year: 869 Days

Day: 12.8 Hours

Environment

Temp: -59 °C

Axial Tilt: 7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.91

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.84 AU - 4.8 AU

Year: 3231 Days

Day: 22.7 Hours

Environment

Temp: -127 °C

Axial Tilt: 10.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Ice Giant

Semi-Major Axis: 17.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 828.4

Radius: 4.8

Gravity: 35.95 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 16.85 AU - 18.41 AU

Year: 26641 Days

Day: 21.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 30,113,288 km

• M1: 94,396 km (0.086 R)
• M2: 143,464 km (0.065 R)
• M3: 494,870 km (0.064 R)
• M4: 903,870 km (0.038 R)
• M5: 964,906 km (0.091 R)
• M6: 996,023 km (0.1 R)
• M7: 1,091,167 km (0.043 R)
• M8: 1,189,303 km (0.1 R)
• M9: 1,359,396 km (0.057 R)
• M10: 2,796,583 km (0.096 R)
• M11: 3,068,701 km (0.05 R)
• M12: 3,686,840 km (0.118 R)
• M13: 4,290,766 km (0.055 R)
• M14: 5,475,132 km (0.098 R)
• M15: 6,102,995 km (0.066 R)
• M16: 6,395,758 km (0.041 R)
• M17: 8,635,687 km (0.099 R)
• M18: 8,766,585 km (0.089 R)
• M19: 9,498,418 km (0.116 R)
• M20: 13,213,082 km (0.085 R)
• M21: 13,288,480 km (0.058 R)
• M22: 15,535,739 km (0.108 R)
• M23: 16,499,448 km (0.059 R)
• M24: 16,824,973 km (0.096 R)
• M25: 18,148,166 km (0.105 R)
• M26: 19,418,851 km (0.083 R)
• M27: 19,590,440 km (0.104 R)
• M28: 19,676,309 km (0.106 R)
• M29: 20,281,731 km (0.117 R)
• M30: 21,510,678 km (0.12 R)
• M31: 21,955,283 km (0.09 R)
• M32: 22,134,052 km (0.119 R)
• M33: 22,403,029 km (0.115 R)
• M34: 22,673,203 km (0.079 R)
• M35: 24,131,782 km (0.09 R)
• M36: 26,471,044 km (0.046 R)
• M37: 27,043,106 km (0.091 R)
• M38: 27,522,867 km (0.1 R)
• M39: 27,619,208 km (0.046 R)
• M40: 28,783,678 km (0.086 R)
• M41: 29,175,325 km (0.07 R)
• M42: 30,360,888 km (0.086 R)
• M43: 32,168,629 km (0.088 R)
• M44: 33,187,988 km (0.119 R)
• M45: 33,701,558 km (0.039 R)
• M46: 35,782,165 km (0.113 R)
• M47: 37,796,800 km (0.1 R)
• M48: 39,088,128 km (0.103 R)
• M49: 41,052,049 km (0.079 R)
• M50: 42,267,981 km (0.068 R)
• M51: 44,057,620 km (0.103 R)
• M52: 45,757,800 km (0.113 R)
• M53: 46,100,379 km (0.11 R)
• M54: 47,479,223 km (0.107 R)
• M55: 48,173,656 km (0.099 R)
• M56: 48,522,219 km (0.098 R)
• M57: 50,277,301 km (0.111 R)
• M58: 51,103,381 km (0.089 R)
• M59: 51,696,237 km (0.083 R)
• M60: 52,291,337 km (0.091 R)
• M61: 52,410,716 km (0.047 R)
• M62: 54,936,676 km (0.102 R)
• M63: 55,544,044 km (0.059 R)
• M64: 56,765,211 km (0.109 R)
• M65: 57,133,222 km (0.106 R)
• M66: 57,379,011 km (0.109 R)
• M67: 58,985,543 km (0.11 R)
• M68: 59,109,709 km (0.112 R)
• M69: 61,989,917 km (0.11 R)
• M70: 63,510,579 km (0.051 R)
• M71: 64,659,192 km (0.057 R)
• M72: 66,072,443 km (0.067 R)
• M73: 66,847,509 km (0.102 R)
• M74: 67,885,719 km (0.099 R)
• M75: 68,406,768 km (0.059 R)
• M76: 69,321,709 km (0.047 R)
• M77: 69,583,954 km (0.044 R)
• M78: 70,240,838 km (0.11 R)
• M79: 72,091,214 km (0.114 R)
• M80: 73,823,557 km (0.048 R)
• M81: 76,922,178 km (0.113 R)
• M82: 80,889,065 km (0.111 R)
• M83: 81,026,994 km (0.088 R)
• M84: 82,272,247 km (0.101 R)
• M85: 83,384,507 km (0.066 R)
• M86: 85,342,892 km (0.098 R)
• M87: 85,764,459 km (0.028 R)
• M88: 91,308,108 km (0.097 R)
• M89: 93,760,465 km (0.097 R)
• M90: 95,942,350 km (0.115 R)
• M91: 96,966,348 km (0.106 R)
• M92: 97,993,786 km (0.045 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 18.1

Radius: 3

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 14.96 AU - 23.74 AU

Year: 30633 Days

Day: 22.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (50)

Outer Limit: 30,113,288 km

• M1: 39,943 km (0.07 R)
• M2: 98,136 km (0.115 R)
• M3: 242,797 km (0.104 R)
• M4: 314,904 km (0.105 R)
• M5: 547,229 km (0.076 R)
• M6: 1,256,473 km (0.106 R)
• M7: 1,962,126 km (0.099 R)
• M8: 2,567,548 km (0.04 R)
• M9: 2,627,088 km (0.116 R)
• M10: 3,162,050 km (0.076 R)
• M11: 3,485,481 km (0.07 R)
• M12: 3,796,794 km (0.066 R)
• M13: 4,303,781 km (0.053 R)
• M14: 4,517,257 km (0.095 R)
• M15: 5,507,146 km (0.094 R)
• M16: 5,635,501 km (0.114 R)
• M17: 5,661,232 km (0.115 R)
• M18: 6,052,580 km (0.062 R)
• M19: 6,696,749 km (0.114 R)
• M20: 7,390,584 km (0.113 R)
• M21: 7,703,094 km (0.12 R)
• M22: 8,107,008 km (0.036 R)
• M23: 8,311,658 km (0.119 R)
• M24: 9,512,629 km (0.079 R)
• M25: 9,666,416 km (0.074 R)
• M26: 10,448,214 km (0.12 R)
• M27: 11,380,209 km (0.1 R)
• M28: 15,005,115 km (0.076 R)
• M29: 15,076,773 km (0.114 R)
• M30: 15,112,526 km (0.105 R)
• M31: 15,616,971 km (0.115 R)
• M32: 16,865,066 km (0.109 R)
• M33: 17,051,165 km (0.099 R)
• M34: 17,388,060 km (0.104 R)
• M35: 18,950,460 km (0.053 R)
• M36: 20,121,811 km (0.117 R)
• M37: 20,279,637 km (0.099 R)
• M38: 21,881,531 km (0.04 R)
• M39: 22,574,618 km (0.096 R)
• M40: 23,316,175 km (0.114 R)
• M41: 24,907,746 km (0.041 R)
• M42: 25,545,632 km (0.111 R)
• M43: 25,888,061 km (0.109 R)
• M44: 26,447,707 km (0.058 R)
• M45: 27,534,984 km (0.09 R)
• M46: 27,578,816 km (0.026 R)
• M47: 28,106,149 km (0.085 R)
• M48: 28,326,955 km (0.085 R)
• M49: 29,439,066 km (0.102 R)
• M50: 29,708,192 km (0.045 R)

Kuiper Belt

Range: 30.5 - 55.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 377 - 18,110 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit