🌌 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: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.39 AU - 0.63 AU

Year: 158 Days

Day: 27.7 Hours

Environment

Temp: 155 °C

Axial Tilt: 13.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.51 AU - 0.81 AU

Year: 232 Days

Day: 43.7 Hours

Environment

Temp: 15 °C

Axial Tilt: 37.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 49,109,934 km

• M1: 382,671 km (0.095 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.73 AU - 0.75 AU

Year: 276 Days

Day: 40.1 Hours

Environment

Temp: -9 °C

Axial Tilt: 5.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.35 AU - 1.51 AU

Year: 741 Days

Day: 47.1 Hours

Environment

Temp: -91 °C

Axial Tilt: 42.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.22 AU - 1.94 AU

Year: 861 Days

Day: 20 Hours

Environment

Temp: -97 °C

Axial Tilt: 157.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.36 AU - 2.06 AU

Year: 969 Days

Day: 44.8 Hours

Environment

Temp: -97 °C

Axial Tilt: 4.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.81 AU - 1.81 AU

Year: 1056 Days

Day: 38.2 Hours

Environment

Temp: -104 °C

Axial Tilt: 37.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.35 AU - 2.43 AU

Year: 1602 Days

Day: 41.3 Hours

Environment

Temp: -137 °C

Axial Tilt: 16.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,109,934 km

• M1: 2,258,030 km (0.068 R)

Asteroid Belt

Center: 3.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49

Radius: 10.3

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.79 AU - 5.59 AU

Year: 4403 Days

Day: 14.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 49,109,934 km

• M1: 165,306 km (0.115 R)
• M2: 338,989 km (0.07 R)
• M3: 711,936 km (0.105 R)
• M4: 836,551 km (0.076 R)
• M5: 961,765 km (0.094 R)
• M6: 1,026,840 km (0.097 R)
• M7: 1,108,670 km (0.115 R)
• M8: 1,327,232 km (0.056 R)
• M9: 1,517,521 km (0.102 R)
• M10: 1,897,200 km (0.081 R)
• M11: 2,055,624 km (0.114 R)
• M12: 2,208,813 km (0.111 R)
• M13: 2,296,627 km (0.104 R)
• M14: 2,649,528 km (0.108 R)
• M15: 2,774,592 km (0.094 R)
• M16: 3,063,016 km (0.088 R)
• M17: 3,139,461 km (0.111 R)
• M18: 3,294,295 km (0.099 R)
• M19: 3,417,713 km (0.105 R)
• M20: 3,600,073 km (0.065 R)
• M21: 3,879,522 km (0.056 R)
• M22: 3,950,581 km (0.087 R)
• M23: 4,069,960 km (0.083 R)
• M24: 4,202,503 km (0.099 R)
• M25: 4,398,177 km (0.104 R)
• M26: 4,509,478 km (0.104 R)
• M27: 4,609,260 km (0.115 R)
• M28: 5,093,209 km (0.105 R)
• M29: 5,197,180 km (0.119 R)
• M30: 5,262,554 km (0.079 R)
• M31: 5,420,529 km (0.097 R)
• M32: 5,849,426 km (0.079 R)
• M33: 6,247,805 km (0.112 R)
• M34: 6,387,081 km (0.11 R)
• M35: 6,868,786 km (0.104 R)
• M36: 7,172,320 km (0.086 R)
• M37: 7,289,007 km (0.098 R)
• M38: 7,687,685 km (0.112 R)
• M39: 8,048,216 km (0.06 R)
• M40: 8,444,949 km (0.084 R)
• M41: 8,583,776 km (0.087 R)
• M42: 8,676,677 km (0.108 R)
• M43: 8,816,850 km (0.066 R)
• M44: 8,941,914 km (0.088 R)
• M45: 9,432,595 km (0.045 R)
• M46: 10,045,946 km (0.103 R)
• M47: 10,209,456 km (0.119 R)
• M48: 10,275,130 km (0.115 R)
• M49: 10,589,136 km (0.096 R)
• M50: 10,822,359 km (0.086 R)
• M51: 10,922,889 km (0.078 R)

Planet 10 - Gas Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.5

Radius: 8.4

Gravity: 13.77 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 6.27 AU - 8.51 AU

Year: 8708 Days

Day: 14.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 147.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 49,109,934 km

• M1: 203,603 km (0.112 R)
• M2: 321,935 km (0.106 R)
• M3: 668,852 km (0.046 R)
• M4: 1,111,063 km (0.026 R)
• M5: 1,539,362 km (0.117 R)
• M6: 1,843,794 km (0.084 R)
• M7: 1,966,015 km (0.102 R)
• M8: 2,116,211 km (0.103 R)
• M9: 2,979,990 km (0.092 R)
• M10: 3,270,209 km (0.036 R)
• M11: 3,418,910 km (0.097 R)
• M12: 3,661,408 km (0.107 R)
• M13: 4,356,739 km (0.049 R)
• M14: 4,553,610 km (0.113 R)
• M15: 4,753,323 km (0.115 R)
• M16: 4,955,878 km (0.07 R)
• M17: 5,161,276 km (0.118 R)
• M18: 5,404,522 km (0.063 R)
• M19: 6,230,153 km (0.072 R)
• M20: 6,751,801 km (0.111 R)
• M21: 6,903,493 km (0.119 R)
• M22: 7,248,765 km (0.099 R)
• M23: 7,639,215 km (0.104 R)
• M24: 7,718,053 km (0.102 R)
• M25: 7,876,627 km (0.045 R)
• M26: 7,996,305 km (0.044 R)
• M27: 8,116,582 km (0.099 R)
• M28: 8,318,539 km (0.108 R)
• M29: 8,399,621 km (0.044 R)
• M30: 8,521,992 km (0.094 R)
• M31: 10,382,391 km (0.099 R)
• M32: 11,133,672 km (0.037 R)
• M33: 11,358,069 km (0.095 R)
• M34: 12,455,519 km (0.059 R)
• M35: 13,491,035 km (0.107 R)
• M36: 13,922,475 km (0.087 R)
• M37: 15,244,173 km (0.095 R)
• M38: 16,096,880 km (0.065 R)
• M39: 16,452,325 km (0.105 R)
• M40: 17,952,941 km (0.06 R)
• M41: 18,268,742 km (0.072 R)
• M42: 18,799,366 km (0.101 R)
• M43: 19,173,809 km (0.112 R)
• M44: 19,227,515 km (0.063 R)
• M45: 19,281,221 km (0.078 R)
• M46: 19,388,931 km (0.072 R)
• M47: 19,442,786 km (0.116 R)
• M48: 19,658,806 km (0.115 R)
• M49: 20,861,423 km (0.116 R)
• M50: 21,862,981 km (0.118 R)
• M51: 22,426,217 km (0.12 R)
• M52: 23,108,233 km (0.104 R)
• M53: 23,279,822 km (0.116 R)
• M54: 24,492,911 km (0.094 R)
• M55: 25,608,014 km (0.085 R)
• M56: 25,844,977 km (0.047 R)
• M57: 26,022,998 km (0.063 R)
• M58: 26,559,905 km (0.087 R)
• M59: 26,799,711 km (0.084 R)
• M60: 27,160,690 km (0.098 R)
• M61: 27,705,226 km (0.092 R)
• M62: 28,070,245 km (0.117 R)
• M63: 28,682,250 km (0.114 R)
• M64: 28,989,823 km (0.089 R)
• M65: 30,481,613 km (0.091 R)
• M66: 32,125,694 km (0.111 R)
• M67: 32,381,058 km (0.096 R)
• M68: 34,318,649 km (0.041 R)
• M69: 35,169,861 km (0.11 R)
• M70: 35,763,316 km (0.063 R)
• M71: 36,893,228 km (0.099 R)
• M72: 37,967,192 km (0.109 R)
• M73: 38,304,984 km (0.088 R)
• M74: 39,529,143 km (0.051 R)
• M75: 40,214,900 km (0.057 R)
• M76: 40,490,160 km (0.04 R)
• M77: 40,697,054 km (0.115 R)
• M78: 42,505,243 km (0.026 R)
• M79: 43,137,144 km (0.047 R)
• M80: 43,418,987 km (0.089 R)
• M81: 45,839,630 km (0.111 R)
• M82: 46,055,200 km (0.081 R)
• M83: 46,343,326 km (0.036 R)
• M84: 48,303,507 km (0.119 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 263 - 11,471 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit