🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.7 AU - 0.98 AU

Year: 284 Days

Day: 19.1 Hours

Environment

Temp: 120 °C

Axial Tilt: 2.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 2.9 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.2

Radius: 13

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 4.67 AU - 5.23 AU

Year: 4063 Days

Day: 14.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,279,879 km

• M1: 161,865 km (0.109 R)
• M2: 829,670 km (0.085 R)
• M3: 1,459,477 km (0.105 R)
• M4: 2,588,791 km (0.107 R)
• M5: 3,038,183 km (0.112 R)
• M6: 3,593,042 km (0.098 R)
• M7: 4,077,140 km (0.083 R)
• M8: 5,873,212 km (0.1 R)
• M9: 6,548,497 km (0.029 R)
• M10: 7,900,712 km (0.093 R)
• M11: 9,157,783 km (0.082 R)
• M12: 9,745,852 km (0.045 R)
• M13: 10,959,390 km (0.12 R)
• M14: 11,424,789 km (0.118 R)
• M15: 12,147,796 km (0.074 R)
• M16: 12,604,518 km (0.111 R)
• M17: 14,043,949 km (0.099 R)
• M18: 16,784,133 km (0.098 R)
• M19: 17,299,348 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.9

Radius: 13.3

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 4.62 AU - 6.1 AU

Year: 4579 Days

Day: 11.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,279,879 km

• M1: 167,101 km (0.057 R)
• M2: 664,514 km (0.085 R)
• M3: 1,501,364 km (0.105 R)
• M4: 2,064,301 km (0.045 R)
• M5: 2,766,513 km (0.08 R)
• M6: 4,093,746 km (0.073 R)
• M7: 4,674,185 km (0.065 R)
• M8: 6,085,043 km (0.052 R)
• M9: 6,843,654 km (0.099 R)
• M10: 7,341,216 km (0.076 R)
• M11: 8,030,862 km (0.111 R)
• M12: 8,620,577 km (0.039 R)
• M13: 9,164,665 km (0.093 R)
• M14: 10,282,011 km (0.106 R)
• M15: 11,749,118 km (0.114 R)
• M16: 13,543,544 km (0.069 R)
• M17: 17,612,307 km (0.101 R)
• M18: 18,194,542 km (0.084 R)
• M19: 18,669,515 km (0.084 R)
• M20: 20,270,511 km (0.088 R)
• M21: 20,781,089 km (0.065 R)
• M22: 21,497,214 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.3

Radius: 8.4

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 4.84 AU - 6.54 AU

Year: 5008 Days

Day: 10.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,279,879 km

• M1: 104,419 km (0.032 R)
• M2: 561,740 km (0.107 R)
• M3: 828,922 km (0.101 R)
• M4: 1,123,181 km (0.098 R)
• M5: 1,913,506 km (0.08 R)
• M6: 2,227,662 km (0.109 R)
• M7: 3,832,548 km (0.079 R)
• M8: 6,904,091 km (0.085 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 126

Radius: 3.9

Gravity: 8.28 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 11.03 AU - 14.53 AU

Year: 16857 Days

Day: 15.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,279,879 km

• M1: 54,304 km (0.109 R)
• M2: 215,571 km (0.069 R)
• M3: 459,116 km (0.082 R)
• M4: 816,056 km (0.1 R)
• M5: 1,908,270 km (0.081 R)
• M6: 2,461,334 km (0.064 R)
• M7: 2,591,334 km (0.12 R)
• M8: 4,001,294 km (0.068 R)
• M9: 4,420,767 km (0.089 R)
• M10: 5,074,061 km (0.076 R)
• M11: 5,724,811 km (0.111 R)
• M12: 6,256,632 km (0.119 R)
• M13: 6,640,949 km (0.08 R)
• M14: 7,379,513 km (0.057 R)
• M15: 12,882,471 km (0.05 R)
• M16: 14,441,879 km (0.083 R)
• M17: 16,187,238 km (0.068 R)
• M18: 17,312,812 km (0.117 R)
• M19: 21,544,786 km (0.116 R)
• M20: 28,066,805 km (0.062 R)
• M21: 30,371,210 km (0.114 R)
• M22: 31,873,771 km (0.074 R)
• M23: 33,320,083 km (0.104 R)
• M24: 37,465,440 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 120.1

Radius: 5.4

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 10.34 AU - 17.08 AU

Year: 18730 Days

Day: 19.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,279,879 km

• M1: 67,469 km (0.067 R)
• M2: 555,906 km (0.111 R)
• M3: 859,290 km (0.04 R)
• M4: 1,723,816 km (0.103 R)
• M5: 1,997,730 km (0.099 R)
• M6: 2,213,300 km (0.044 R)
• M7: 2,407,778 km (0.112 R)
• M8: 2,770,702 km (0.078 R)
• M9: 3,393,927 km (0.098 R)
• M10: 3,951,329 km (0.088 R)
• M11: 4,484,047 km (0.099 R)
• M12: 5,003,151 km (0.118 R)
• M13: 5,465,558 km (0.095 R)
• M14: 5,822,499 km (0.105 R)
• M15: 6,439,889 km (0.105 R)
• M16: 9,719,374 km (0.117 R)
• M17: 10,438,191 km (0.051 R)
• M18: 13,205,154 km (0.064 R)
• M19: 17,861,537 km (0.091 R)
• M20: 20,361,617 km (0.088 R)
• M21: 27,051,185 km (0.11 R)
• M22: 33,119,473 km (0.037 R)
• M23: 33,761,247 km (0.116 R)
• M24: 39,197,036 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 795.8

Radius: 5.4

Gravity: 27.29 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 13.32 AU - 22.02 AU

Year: 27405 Days

Day: 20 Hours

Environment

Temp: -200 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 67,279,879 km

• M1: 67,319 km (0.115 R)
• M2: 448,794 km (0.092 R)
• M3: 632,799 km (0.098 R)
• M4: 1,074,861 km (0.12 R)
• M5: 1,447,509 km (0.092 R)
• M6: 2,118,007 km (0.088 R)
• M7: 2,837,572 km (0.102 R)
• M8: 3,483,686 km (0.077 R)
• M9: 3,942,951 km (0.103 R)
• M10: 5,782,706 km (0.105 R)
• M11: 8,467,389 km (0.085 R)
• M12: 9,791,480 km (0.119 R)
• M13: 11,317,229 km (0.072 R)
• M14: 12,319,833 km (0.054 R)
• M15: 12,616,935 km (0.108 R)
• M16: 12,918,674 km (0.05 R)
• M17: 13,225,200 km (0.119 R)
• M18: 22,450,302 km (0.062 R)
• M19: 26,899,343 km (0.04 R)
• M20: 33,458,162 km (0.117 R)
• M21: 43,184,866 km (0.1 R)
• M22: 45,792,058 km (0.063 R)
• M23: 54,041,782 km (0.11 R)
• M24: 68,189,103 km (0.094 R)
• M25: 71,001,094 km (0.064 R)
• M26: 76,605,030 km (0.09 R)
• M27: 80,931,700 km (0.092 R)
• M28: 93,449,451 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 239

Radius: 8

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 13.87 AU - 22.11 AU

Year: 28153 Days

Day: 21.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,279,879 km

• M1: 121,623 km (0.105 R)
• M2: 575,054 km (0.059 R)
• M3: 1,496,577 km (0.102 R)
• M4: 2,062,356 km (0.11 R)
• M5: 5,112,358 km (0.037 R)
• M6: 7,436,660 km (0.1 R)
• M7: 7,954,867 km (0.114 R)
• M8: 8,346,813 km (0.116 R)
• M9: 17,628,015 km (0.119 R)
• M10: 37,140,663 km (0.057 R)
• M11: 37,412,333 km (0.113 R)
• M12: 41,066,111 km (0.041 R)
• M13: 45,725,188 km (0.089 R)
• M14: 50,391,594 km (0.12 R)
• M15: 58,245,632 km (0.077 R)
• M16: 66,077,828 km (0.065 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 269 - 12,063 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit