🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.7 AU - 1.1 AU

Year: 325 Days

Day: 19.1 Hours

Environment

Temp: 14 °C

Axial Tilt: 0.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 39,242,546 km

• M1: 67,319 km (0.112 R)
• M2: 394,490 km (0.086 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.19 AU - 1.45 AU

Year: 578 Days

Day: 46.4 Hours

Environment

Temp: -43 °C

Axial Tilt: 20.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,242,546 km

• M1: 220,058 km (0.087 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.76 AU - 1.9 AU

Year: 943 Days

Day: 30.5 Hours

Environment

Temp: -75 °C

Axial Tilt: 16.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.62 AU - 2.24 AU

Year: 1021 Days

Day: 20.9 Hours

Environment

Temp: -70 °C

Axial Tilt: 7.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.18

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.79 AU - 2.67 AU

Year: 1268 Days

Day: 21.7 Hours

Environment

Temp: -93 °C

Axial Tilt: 13.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,242,546 km

• M1: 203,752 km (0.119 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.64 AU - 2.86 AU

Year: 1737 Days

Day: 14.5 Hours

Environment

Temp: -104 °C

Axial Tilt: 14.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.28

Radius: 1.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.56 AU - 3.48 AU

Year: 1999 Days

Day: 46.2 Hours

Environment

Temp: -113 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.9

Radius: 8.1

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 5.88 AU - 6.74 AU

Year: 6036 Days

Day: 9.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 39,242,546 km

• M1: 227,688 km (0.116 R)
• M2: 311,014 km (0.109 R)
• M3: 398,828 km (0.087 R)
• M4: 533,915 km (0.09 R)
• M5: 592,408 km (0.072 R)
• M6: 653,443 km (0.107 R)
• M7: 827,276 km (0.112 R)
• M8: 1,004,101 km (0.114 R)
• M9: 1,352,963 km (0.033 R)
• M10: 1,533,977 km (0.118 R)
• M11: 1,634,806 km (0.102 R)
• M12: 2,028,547 km (0.091 R)
• M13: 2,252,794 km (0.072 R)
• M14: 2,569,792 km (0.111 R)
• M15: 2,673,015 km (0.051 R)
• M16: 2,742,428 km (0.111 R)
• M17: 3,099,219 km (0.117 R)
• M18: 3,413,973 km (0.118 R)
• M19: 3,489,670 km (0.116 R)
• M20: 3,719,751 km (0.071 R)
• M21: 3,797,542 km (0.08 R)
• M22: 3,856,334 km (0.097 R)
• M23: 4,074,298 km (0.113 R)
• M24: 4,501,550 km (0.09 R)
• M25: 5,050,424 km (0.113 R)
• M26: 5,464,960 km (0.082 R)
• M27: 5,575,812 km (0.092 R)
• M28: 5,754,880 km (0.102 R)
• M29: 5,890,416 km (0.064 R)
• M30: 6,280,119 km (0.107 R)
• M31: 6,489,855 km (0.106 R)
• M32: 6,607,289 km (0.114 R)
• M33: 7,181,296 km (0.1 R)
• M34: 7,327,154 km (0.058 R)
• M35: 7,746,178 km (0.092 R)
• M36: 7,921,058 km (0.09 R)
• M37: 8,198,263 km (0.114 R)
• M38: 8,325,421 km (0.108 R)
• M39: 8,788,426 km (0.029 R)
• M40: 8,944,756 km (0.094 R)
• M41: 9,128,163 km (0.089 R)
• M42: 9,233,480 km (0.102 R)
• M43: 9,418,981 km (0.054 R)
• M44: 9,498,717 km (0.033 R)
• M45: 9,874,207 km (0.105 R)
• M46: 10,778,676 km (0.052 R)
• M47: 11,283,120 km (0.114 R)
• M48: 11,623,605 km (0.106 R)
• M49: 11,795,194 km (0.065 R)
• M50: 11,881,212 km (0.106 R)
• M51: 12,140,765 km (0.084 R)
• M52: 12,198,809 km (0.095 R)
• M53: 12,256,703 km (0.119 R)
• M54: 12,343,919 km (0.059 R)
• M55: 12,489,777 km (0.104 R)
• M56: 12,842,080 km (0.07 R)
• M57: 13,646,617 km (0.086 R)
• M58: 14,009,392 km (0.117 R)
• M59: 14,283,605 km (0.074 R)
• M60: 14,375,458 km (0.078 R)
• M61: 14,806,449 km (0.054 R)
• M62: 15,210,513 km (0.052 R)
• M63: 15,304,161 km (0.117 R)
• M64: 15,492,355 km (0.091 R)
• M65: 16,029,412 km (0.119 R)
• M66: 17,056,850 km (0.091 R)
• M67: 17,545,736 km (0.073 R)
• M68: 18,006,348 km (0.068 R)
• M69: 18,337,707 km (0.097 R)
• M70: 18,537,420 km (0.072 R)
• M71: 18,905,581 km (0.042 R)
• M72: 19,073,729 km (0.076 R)
• M73: 19,141,197 km (0.058 R)
• M74: 20,196,012 km (0.114 R)
• M75: 20,436,864 km (0.082 R)
• M76: 20,886,556 km (0.05 R)
• M77: 21,795,811 km (0.067 R)
• M78: 22,825,045 km (0.092 R)
• M79: 23,004,113 km (0.069 R)
• M80: 23,255,587 km (0.099 R)
• M81: 23,399,800 km (0.06 R)
• M82: 24,088,399 km (0.053 R)
• M83: 24,526,720 km (0.099 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.2

Radius: 13.8

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 7.7 AU - 10.94 AU

Year: 10835 Days

Day: 6.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 39,242,546 km

• M1: 194,477 km (0.09 R)
• M2: 282,142 km (0.091 R)
• M3: 532,269 km (0.11 R)
• M4: 804,238 km (0.11 R)
• M5: 1,089,072 km (0.082 R)
• M6: 1,444,367 km (0.06 R)
• M7: 1,597,107 km (0.073 R)
• M8: 1,775,577 km (0.115 R)
• M9: 3,081,118 km (0.087 R)
• M10: 3,745,183 km (0.096 R)
• M11: 4,012,364 km (0.119 R)
• M12: 4,175,875 km (0.115 R)
• M13: 4,341,480 km (0.114 R)
• M14: 4,565,877 km (0.086 R)
• M15: 4,967,846 km (0.117 R)
• M16: 5,291,725 km (0.111 R)
• M17: 5,471,393 km (0.111 R)
• M18: 5,867,677 km (0.118 R)
• M19: 6,527,553 km (0.073 R)
• M20: 7,046,209 km (0.111 R)
• M21: 7,244,277 km (0.074 R)
• M22: 7,477,500 km (0.092 R)
• M23: 7,815,292 km (0.089 R)
• M24: 8,787,379 km (0.119 R)
• M25: 9,215,678 km (0.08 R)
• M26: 9,432,445 km (0.098 R)
• M27: 10,055,819 km (0.11 R)
• M28: 10,316,419 km (0.05 R)
• M29: 10,882,497 km (0.12 R)
• M30: 11,926,690 km (0.099 R)
• M31: 12,044,573 km (0.077 R)
• M32: 12,163,055 km (0.043 R)
• M33: 12,401,065 km (0.115 R)
• M34: 12,841,332 km (0.104 R)
• M35: 13,205,453 km (0.099 R)
• M36: 13,368,365 km (0.079 R)
• M37: 14,443,674 km (0.108 R)
• M38: 14,906,979 km (0.099 R)
• M39: 15,247,015 km (0.092 R)
• M40: 16,985,492 km (0.045 R)
• M41: 17,429,798 km (0.096 R)
• M42: 17,878,142 km (0.077 R)
• M43: 18,375,555 km (0.098 R)
• M44: 18,466,511 km (0.073 R)
• M45: 18,877,606 km (0.063 R)
• M46: 19,755,446 km (0.088 R)
• M47: 20,835,842 km (0.06 R)
• M48: 21,407,306 km (0.078 R)
• M49: 21,550,920 km (0.057 R)
• M50: 21,791,024 km (0.108 R)
• M51: 21,887,365 km (0.068 R)
• M52: 21,983,706 km (0.118 R)
• M53: 24,690,979 km (0.101 R)
• M54: 25,650,500 km (0.084 R)
• M55: 25,854,102 km (0.095 R)
• M56: 25,955,979 km (0.054 R)
• M57: 26,570,826 km (0.092 R)
• M58: 27,086,639 km (0.079 R)
• M59: 27,293,982 km (0.08 R)
• M60: 28,023,720 km (0.1 R)
• M61: 28,812,699 km (0.056 R)
• M62: 29,183,403 km (0.112 R)
• M63: 29,555,752 km (0.042 R)
• M64: 29,715,672 km (0.046 R)
• M65: 29,983,153 km (0.097 R)
• M66: 30,197,527 km (0.098 R)
• M67: 30,520,210 km (0.098 R)
• M68: 30,735,930 km (0.071 R)
• M69: 31,114,712 km (0.027 R)
• M70: 31,386,232 km (0.114 R)
• M71: 32,205,579 km (0.077 R)
• M72: 32,645,397 km (0.085 R)
• M73: 33,087,159 km (0.089 R)
• M74: 34,144,368 km (0.051 R)
• M75: 35,043,301 km (0.117 R)
• M76: 35,665,928 km (0.099 R)
• M77: 36,749,764 km (0.102 R)
• M78: 36,864,506 km (0.066 R)
• M79: 37,613,093 km (0.064 R)
• M80: 38,599,691 km (0.079 R)
• M81: 38,949,900 km (0.053 R)
• M82: 39,125,378 km (0.066 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 424 - 12,102 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit