🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.62 AU - 1 AU

Year: 214 Days

Day: 32.9 Hours

Environment

Temp: 282 °C

Axial Tilt: 6.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.74 AU - 0.88 AU

Year: 214 Days

Day: 15.2 Hours

Environment

Temp: 263 °C

Axial Tilt: 34.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 54,207,976 km

• M1: 27,376 km (0.113 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.84 AU - 2.14 AU

Year: 824 Days

Day: 32.7 Hours

Environment

Temp: 98 °C

Axial Tilt: 14.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 54,207,976 km

• M1: 655,239 km (0.101 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.76 AU - 4.5 AU

Year: 2029 Days

Day: 18.1 Hours

Environment

Temp: -39 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,207,976 km

• M1: 1,434,045 km (0.097 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.91 AU - 4.35 AU

Year: 2462 Days

Day: 13.8 Hours

Environment

Temp: -65 °C

Axial Tilt: 10.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.07

Radius: 1.03

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 4.21 AU - 6.59 AU

Year: 3681 Days

Day: 13.7 Hours

Environment

Temp: -93 °C

Axial Tilt: 29.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 5.05 AU - 6.19 AU

Year: 3909 Days

Day: 37.7 Hours

Environment

Temp: -94 °C

Axial Tilt: 8.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 9.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 7.89 AU - 11.01 AU

Year: 8523 Days

Day: 22.8 Hours

Environment

Temp: -125 °C

Axial Tilt: 24.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Gas Giant

Semi-Major Axis: 11.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.4

Radius: 13.6

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 11.1 AU - 11.78 AU

Year: 11352 Days

Day: 12 Hours

Environment

Temp: -144 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 54,207,976 km

• M1: 174,431 km (0.12 R)
• M2: 346,917 km (0.051 R)
• M3: 535,411 km (0.102 R)
• M4: 672,143 km (0.076 R)
• M5: 1,027,887 km (0.069 R)
• M6: 1,182,571 km (0.086 R)
• M7: 1,466,658 km (0.102 R)
• M8: 1,746,854 km (0.118 R)
• M9: 2,016,878 km (0.11 R)
• M10: 2,751,554 km (0.027 R)
• M11: 2,908,033 km (0.034 R)
• M12: 3,164,743 km (0.1 R)
• M13: 3,329,001 km (0.118 R)
• M14: 3,563,720 km (0.086 R)
• M15: 4,446,797 km (0.083 R)
• M16: 5,008,537 km (0.079 R)
• M17: 5,672,302 km (0.101 R)
• M18: 6,910,973 km (0.059 R)
• M19: 6,996,543 km (0.059 R)
• M20: 7,298,581 km (0.103 R)
• M21: 7,429,479 km (0.088 R)
• M22: 7,960,551 km (0.086 R)
• M23: 8,230,725 km (0.091 R)
• M24: 9,436,484 km (0.118 R)
• M25: 9,722,665 km (0.111 R)
• M26: 10,060,158 km (0.08 R)
• M27: 11,753,606 km (0.102 R)
• M28: 13,107,466 km (0.101 R)
• M29: 13,802,947 km (0.084 R)
• M30: 13,965,111 km (0.111 R)
• M31: 14,182,327 km (0.102 R)
• M32: 14,455,493 km (0.077 R)
• M33: 15,173,862 km (0.112 R)
• M34: 15,285,462 km (0.115 R)
• M35: 16,875,837 km (0.117 R)
• M36: 17,281,696 km (0.105 R)
• M37: 17,456,576 km (0.095 R)
• M38: 17,632,054 km (0.117 R)
• M39: 17,808,131 km (0.108 R)
• M40: 18,697,490 km (0.095 R)
• M41: 18,936,996 km (0.115 R)
• M42: 19,177,699 km (0.078 R)
• M43: 19,722,684 km (0.028 R)
• M44: 19,905,642 km (0.11 R)
• M45: 20,027,714 km (0.045 R)
• M46: 20,150,235 km (0.098 R)
• M47: 20,395,874 km (0.097 R)
• M48: 20,766,279 km (0.077 R)
• M49: 23,420,743 km (0.087 R)
• M50: 23,549,697 km (0.103 R)
• M51: 23,743,725 km (0.079 R)
• M52: 24,459,850 km (0.053 R)
• M53: 25,248,979 km (0.103 R)
• M54: 25,979,765 km (0.058 R)
• M55: 26,582,794 km (0.097 R)
• M56: 26,919,838 km (0.115 R)
• M57: 27,802,914 km (0.118 R)
• M58: 28,764,379 km (0.118 R)
• M59: 30,719,923 km (0.116 R)
• M60: 31,999,733 km (0.074 R)
• M61: 32,502,082 km (0.091 R)
• M62: 33,660,269 km (0.093 R)
• M63: 34,390,905 km (0.116 R)
• M64: 34,611,263 km (0.105 R)
• M65: 36,389,981 km (0.119 R)
• M66: 37,139,766 km (0.098 R)
• M67: 37,516,752 km (0.086 R)
• M68: 39,958,638 km (0.114 R)
• M69: 40,267,408 km (0.11 R)
• M70: 41,120,864 km (0.051 R)
• M71: 41,667,046 km (0.115 R)
• M72: 41,980,154 km (0.086 R)
• M73: 42,372,849 km (0.089 R)
• M74: 45,476,556 km (0.116 R)
• M75: 45,799,089 km (0.07 R)
• M76: 46,122,370 km (0.12 R)
• M77: 46,365,317 km (0.085 R)
• M78: 47,341,144 km (0.104 R)
• M79: 47,668,015 km (0.086 R)
• M80: 48,570,689 km (0.064 R)
• M81: 50,559,592 km (0.111 R)
• M82: 51,228,594 km (0.09 R)
• M83: 52,575,124 km (0.113 R)
• M84: 53,677,810 km (0.073 R)
• M85: 53,933,324 km (0.118 R)
• M86: 54,189,285 km (0.117 R)
• M87: 56,078,557 km (0.113 R)
• M88: 56,165,025 km (0.032 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 186

Radius: 7.3

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 15.33 AU - 21.39 AU

Year: 23080 Days

Day: 16.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 54,207,976 km

• M1: 109,954 km (0.103 R)
• M2: 607,367 km (0.06 R)
• M3: 659,876 km (0.062 R)
• M4: 1,029,383 km (0.083 R)
• M5: 1,431,951 km (0.117 R)
• M6: 1,879,697 km (0.088 R)
• M7: 2,340,459 km (0.119 R)
• M8: 2,482,427 km (0.113 R)
• M9: 2,598,216 km (0.087 R)
• M10: 2,804,960 km (0.089 R)
• M11: 2,986,572 km (0.079 R)
• M12: 3,109,841 km (0.039 R)
• M13: 3,717,956 km (0.088 R)
• M14: 4,894,842 km (0.094 R)
• M15: 5,040,551 km (0.103 R)
• M16: 5,485,754 km (0.115 R)
• M17: 6,099,105 km (0.056 R)
• M18: 6,334,722 km (0.117 R)
• M19: 6,977,544 km (0.108 R)
• M20: 7,810,056 km (0.116 R)
• M21: 8,108,953 km (0.079 R)
• M22: 9,341,190 km (0.111 R)
• M23: 10,303,254 km (0.114 R)
• M24: 10,583,900 km (0.061 R)
• M25: 10,630,873 km (0.034 R)
• M26: 11,489,116 km (0.094 R)
• M27: 12,568,016 km (0.085 R)
• M28: 12,617,832 km (0.106 R)
• M29: 12,667,648 km (0.105 R)
• M30: 13,627,768 km (0.119 R)
• M31: 13,781,405 km (0.116 R)
• M32: 14,298,116 km (0.107 R)
• M33: 14,402,086 km (0.119 R)
• M34: 15,778,087 km (0.09 R)
• M35: 15,885,648 km (0.06 R)
• M36: 16,155,523 km (0.069 R)
• M37: 16,700,059 km (0.107 R)
• M38: 16,864,617 km (0.12 R)
• M39: 17,472,583 km (0.117 R)
• M40: 17,807,233 km (0.119 R)
• M41: 17,975,231 km (0.071 R)
• M42: 18,709,906 km (0.081 R)
• M43: 19,052,186 km (0.109 R)
• M44: 19,109,482 km (0.088 R)
• M45: 20,500,743 km (0.084 R)
• M46: 21,684,810 km (0.043 R)
• M47: 22,405,871 km (0.117 R)
• M48: 22,648,070 km (0.058 R)
• M49: 24,491,415 km (0.073 R)
• M50: 24,803,327 km (0.081 R)
• M51: 24,928,391 km (0.116 R)
• M52: 26,000,559 km (0.107 R)
• M53: 26,254,875 km (0.058 R)
• M54: 26,830,378 km (0.092 R)
• M55: 27,798,725 km (0.111 R)
• M56: 28,319,924 km (0.084 R)
• M57: 28,712,918 km (0.069 R)
• M58: 29,636,834 km (0.08 R)
• M59: 30,704,664 km (0.12 R)
• M60: 31,040,960 km (0.066 R)
• M61: 32,946,687 km (0.039 R)
• M62: 33,498,105 km (0.11 R)
• M63: 33,913,688 km (0.089 R)
• M64: 34,331,066 km (0.083 R)
• M65: 34,749,940 km (0.061 R)
• M66: 35,663,534 km (0.099 R)
• M67: 35,946,274 km (0.049 R)
• M68: 36,371,730 km (0.118 R)
• M69: 36,513,848 km (0.065 R)
• M70: 38,959,175 km (0.06 R)
• M71: 39,031,880 km (0.114 R)
• M72: 39,761,618 km (0.075 R)
• M73: 40,348,640 km (0.056 R)
• M74: 40,864,603 km (0.087 R)
• M75: 41,531,062 km (0.055 R)
• M76: 43,477,031 km (0.094 R)
• M77: 44,309,094 km (0.105 R)
• M78: 44,613,077 km (0.095 R)
• M79: 45,528,915 km (0.065 R)
• M80: 45,989,228 km (0.069 R)
• M81: 46,759,657 km (0.062 R)
• M82: 49,647,494 km (0.118 R)
• M83: 50,042,133 km (0.053 R)
• M84: 50,675,830 km (0.041 R)
• M85: 50,993,576 km (0.051 R)
• M86: 51,471,541 km (0.114 R)
• M87: 52,351,775 km (0.082 R)
• M88: 52,753,445 km (0.084 R)
• M89: 53,559,927 km (0.106 R)
• M90: 53,964,589 km (0.083 R)

Kuiper Belt

Range: 37.4 - 60.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 557 - 20,258 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit