🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.4

Radius: 14.3

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.99 AU - 1.31 AU

Year: 867 Days

Day: 6.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,602,158 km

• M1: 178,021 km (0.109 R)
• M2: 634,893 km (0.073 R)
• M3: 1,083,986 km (0.114 R)
• M4: 1,838,109 km (0.106 R)
• M5: 2,754,097 km (0.106 R)
• M6: 3,317,183 km (0.109 R)
• M7: 5,389,114 km (0.117 R)
• M8: 6,108,829 km (0.12 R)
• M9: 6,557,772 km (0.115 R)
• M10: 7,097,970 km (0.068 R)
• M11: 7,692,173 km (0.1 R)
• M12: 8,242,394 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.5

Radius: 12.1

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.13 AU - 1.81 AU

Year: 1253 Days

Day: 11.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,602,158 km

• M1: 150,495 km (0.106 R)
• M2: 592,707 km (0.067 R)
• M3: 1,070,971 km (0.05 R)
• M4: 1,642,884 km (0.118 R)
• M5: 2,837,572 km (0.098 R)
• M6: 3,453,467 km (0.088 R)
• M7: 3,996,208 km (0.061 R)
• M8: 6,250,199 km (0.077 R)
• M9: 6,759,580 km (0.101 R)
• M10: 7,392,678 km (0.089 R)
• M11: 7,861,667 km (0.074 R)
• M12: 8,777,655 km (0.065 R)
• M13: 9,647,267 km (0.112 R)
• M14: 10,118,052 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.5

Radius: 13.9

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.31 AU - 3.47 AU

Year: 4387 Days

Day: 7.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,602,158 km

• M1: 173,534 km (0.116 R)
• M2: 672,742 km (0.058 R)
• M3: 1,389,315 km (0.117 R)
• M4: 2,284,958 km (0.11 R)
• M5: 3,191,970 km (0.112 R)
• M6: 4,386,658 km (0.109 R)
• M7: 5,097,996 km (0.06 R)
• M8: 5,933,949 km (0.119 R)
• M9: 6,805,806 km (0.113 R)
• M10: 7,644,451 km (0.115 R)
• M11: 8,180,012 km (0.117 R)
• M12: 9,293,618 km (0.11 R)
• M13: 12,784,634 km (0.106 R)
• M14: 13,370,609 km (0.119 R)
• M15: 14,641,293 km (0.045 R)
• M16: 16,280,437 km (0.032 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.5

Radius: 8.1

Gravity: 12.67 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.49 AU - 5.05 AU

Year: 6202 Days

Day: 13.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,602,158 km

• M1: 105,616 km (0.058 R)
• M2: 379,979 km (0.111 R)
• M3: 715,676 km (0.096 R)
• M4: 1,122,283 km (0.105 R)
• M5: 1,704,518 km (0.055 R)
• M6: 2,947,676 km (0.109 R)
• M7: 3,259,887 km (0.102 R)
• M8: 4,764,393 km (0.075 R)
• M9: 5,255,373 km (0.093 R)
• M10: 5,528,838 km (0.104 R)
• M11: 7,487,373 km (0.097 R)
• M12: 9,868,373 km (0.083 R)
• M13: 12,496,957 km (0.102 R)
• M14: 12,930,642 km (0.105 R)
• M15: 13,828,079 km (0.115 R)
• M16: 14,116,803 km (0.104 R)
• M17: 14,527,898 km (0.079 R)
• M18: 17,972,239 km (0.071 R)
• M19: 18,594,866 km (0.073 R)
• M20: 21,076,994 km (0.115 R)
• M21: 24,522,083 km (0.096 R)
• M22: 27,407,826 km (0.075 R)
• M23: 27,955,803 km (0.112 R)
• M24: 31,697,096 km (0.039 R)
• M25: 32,402,300 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.7

Radius: 8.9

Gravity: 8.1 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 4.82 AU - 5.4 AU

Year: 8120 Days

Day: 13.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,602,158 km

• M1: 110,702 km (0.112 R)
• M2: 562,189 km (0.095 R)
• M3: 1,947,465 km (0.073 R)
• M4: 2,240,378 km (0.078 R)
• M5: 3,126,745 km (0.044 R)
• M6: 3,531,407 km (0.113 R)
• M7: 4,473,575 km (0.115 R)
• M8: 6,309,589 km (0.057 R)
• M9: 8,302,682 km (0.098 R)
• M10: 10,049,536 km (0.111 R)
• M11: 11,342,211 km (0.114 R)
• M12: 13,600,690 km (0.096 R)
• M13: 15,496,095 km (0.099 R)
• M14: 16,607,159 km (0.027 R)
• M15: 19,281,221 km (0.118 R)
• M16: 22,803,802 km (0.101 R)
• M17: 28,137,714 km (0.101 R)
• M18: 32,121,655 km (0.054 R)
• M19: 33,493,467 km (0.119 R)
• M20: 37,958,814 km (0.074 R)
• M21: 39,252,985 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 849.5

Radius: 5.7

Gravity: 26.15 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 6.69 AU - 9.13 AU

Year: 15638 Days

Day: 19.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 53,602,158 km

• M1: 71,059 km (0.107 R)
• M2: 324,029 km (0.072 R)
• M3: 947,553 km (0.109 R)
• M4: 1,261,110 km (0.116 R)
• M5: 1,465,610 km (0.057 R)
• M6: 1,942,229 km (0.118 R)
• M7: 2,135,659 km (0.091 R)
• M8: 2,867,791 km (0.092 R)
• M9: 3,331,694 km (0.09 R)
• M10: 3,696,713 km (0.105 R)
• M11: 4,088,061 km (0.072 R)
• M12: 4,847,869 km (0.109 R)
• M13: 6,471,305 km (0.116 R)
• M14: 6,950,167 km (0.063 R)
• M15: 7,736,005 km (0.087 R)
• M16: 9,704,414 km (0.06 R)
• M17: 10,506,857 km (0.119 R)
• M18: 14,967,117 km (0.098 R)
• M19: 17,237,115 km (0.108 R)
• M20: 18,155,048 km (0.116 R)
• M21: 19,369,932 km (0.12 R)
• M22: 20,916,774 km (0.067 R)
• M23: 26,265,497 km (0.051 R)
• M24: 28,385,298 km (0.057 R)
• M25: 30,018,458 km (0.105 R)
• M26: 30,616,551 km (0.099 R)
• M27: 32,584,062 km (0.088 R)
• M28: 35,424,626 km (0.116 R)
• M29: 36,092,581 km (0.098 R)
• M30: 37,591,402 km (0.111 R)
• M31: 37,868,307 km (0.09 R)
• M32: 43,849,081 km (0.095 R)
• M33: 46,185,500 km (0.109 R)
• M34: 49,428,034 km (0.069 R)
• M35: 63,917,037 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 309.1

Radius: 8

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 7.46 AU - 9.66 AU

Year: 17604 Days

Day: 23.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 53,602,158 km

• M1: 101,128 km (0.088 R)
• M2: 514,766 km (0.081 R)
• M3: 811,718 km (0.105 R)
• M4: 1,487,003 km (0.09 R)
• M5: 2,637,560 km (0.118 R)
• M6: 3,627,449 km (0.093 R)
• M7: 5,239,665 km (0.117 R)
• M8: 5,618,896 km (0.112 R)
• M9: 7,492,909 km (0.099 R)
• M10: 9,295,563 km (0.082 R)
• M11: 9,545,840 km (0.064 R)
• M12: 10,484,567 km (0.076 R)
• M13: 11,598,323 km (0.049 R)
• M14: 12,544,679 km (0.079 R)
• M15: 13,099,089 km (0.109 R)
• M16: 13,928,609 km (0.073 R)
• M17: 15,621,608 km (0.113 R)
• M18: 17,523,147 km (0.05 R)
• M19: 17,828,925 km (0.074 R)
• M20: 20,572,699 km (0.111 R)
• M21: 22,761,316 km (0.079 R)
• M22: 23,585,899 km (0.102 R)
• M23: 24,240,839 km (0.09 R)
• M24: 26,079,696 km (0.113 R)
• M25: 27,083,947 km (0.114 R)
• M26: 28,009,658 km (0.064 R)
• M27: 34,368,166 km (0.08 R)
• M28: 39,102,939 km (0.104 R)
• M29: 46,261,646 km (0.066 R)
• M30: 48,929,873 km (0.118 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 554 - 11,397 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit