🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.82 AU - 1.28 AU

Year: 470 Days

Day: 16.3 Hours

Environment

Temp: -66 °C

Axial Tilt: 5.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.99 AU - 2.33 AU

Year: 1386 Days

Day: 31.2 Hours

Environment

Temp: -127 °C

Axial Tilt: 21.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,547,528 km

• M1: 1,765,255 km (0.092 R)

Asteroid Belt

Center: 4.63 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76

Radius: 11.5

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 6.23 AU - 7.95 AU

Year: 8242 Days

Day: 11.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,547,528 km

• M1: 151,094 km (0.09 R)
• M2: 961,316 km (0.089 R)
• M3: 1,697,188 km (0.081 R)
• M4: 2,151,367 km (0.093 R)
• M5: 2,778,481 km (0.101 R)
• M6: 3,291,004 km (0.094 R)
• M7: 4,045,126 km (0.098 R)
• M8: 4,616,889 km (0.046 R)
• M9: 4,980,712 km (0.081 R)
• M10: 8,092,796 km (0.113 R)
• M11: 11,721,143 km (0.101 R)
• M12: 12,620,226 km (0.101 R)
• M13: 17,707,750 km (0.033 R)

Planet 4 - Ice Giant

Semi-Major Axis: 11.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 723.3

Radius: 6.3

Gravity: 18.22 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 9.11 AU - 13.27 AU

Year: 16341 Days

Day: 24.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 80,547,528 km

• M1: 81,830 km (0.092 R)
• M2: 365,916 km (0.116 R)
• M3: 603,328 km (0.034 R)
• M4: 880,084 km (0.092 R)
• M5: 1,439,431 km (0.068 R)
• M6: 2,112,920 km (0.073 R)
• M7: 3,908,244 km (0.078 R)
• M8: 5,569,529 km (0.07 R)
• M9: 6,038,817 km (0.056 R)
• M10: 8,332,003 km (0.046 R)
• M11: 8,686,400 km (0.087 R)
• M12: 9,479,568 km (0.041 R)
• M13: 9,754,529 km (0.096 R)
• M14: 10,262,713 km (0.097 R)
• M15: 11,088,045 km (0.076 R)
• M16: 11,956,909 km (0.115 R)
• M17: 13,071,862 km (0.095 R)
• M18: 13,899,437 km (0.079 R)
• M19: 15,431,170 km (0.096 R)
• M20: 19,612,879 km (0.067 R)
• M21: 21,252,472 km (0.101 R)
• M22: 27,045,201 km (0.106 R)
• M23: 28,385,897 km (0.076 R)
• M24: 29,303,979 km (0.05 R)
• M25: 30,957,783 km (0.073 R)
• M26: 31,441,583 km (0.102 R)
• M27: 32,053,289 km (0.06 R)
• M28: 34,579,847 km (0.12 R)
• M29: 49,716,608 km (0.074 R)
• M30: 50,881,377 km (0.116 R)
• M31: 55,012,523 km (0.032 R)
• M32: 63,544,987 km (0.066 R)
• M33: 65,311,438 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 511.3

Radius: 5.9

Gravity: 14.69 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 8.7 AU - 13.92 AU

Year: 16605 Days

Day: 24.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 80,547,528 km

• M1: 73,752 km (0.069 R)
• M2: 394,190 km (0.1 R)
• M3: 1,701,227 km (0.119 R)
• M4: 2,202,679 km (0.114 R)
• M5: 2,617,813 km (0.059 R)
• M6: 2,820,967 km (0.112 R)
• M7: 4,457,418 km (0.064 R)
• M8: 4,781,298 km (0.111 R)
• M9: 11,115,271 km (0.087 R)
• M10: 14,446,816 km (0.051 R)
• M11: 24,352,289 km (0.078 R)
• M12: 24,550,806 km (0.041 R)
• M13: 27,229,954 km (0.092 R)
• M14: 30,441,372 km (0.105 R)
• M15: 34,019,902 km (0.115 R)
• M16: 34,267,935 km (0.09 R)
• M17: 35,145,776 km (0.098 R)
• M18: 36,555,287 km (0.038 R)
• M19: 40,451,414 km (0.117 R)
• M20: 41,290,658 km (0.106 R)
• M21: 41,572,949 km (0.064 R)
• M22: 43,003,853 km (0.084 R)
• M23: 57,038,975 km (0.073 R)
• M24: 57,740,739 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 861.3

Radius: 7.9

Gravity: 13.8 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 8.91 AU - 14.03 AU

Year: 16958 Days

Day: 18.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 80,547,528 km

• M1: 98,286 km (0.032 R)
• M2: 1,015,770 km (0.049 R)
• M3: 1,374,804 km (0.079 R)
• M4: 2,102,000 km (0.071 R)
• M5: 2,835,927 km (0.041 R)
• M6: 3,819,982 km (0.112 R)
• M7: 4,098,084 km (0.061 R)
• M8: 6,704,677 km (0.105 R)
• M9: 7,203,287 km (0.074 R)
• M10: 7,533,450 km (0.083 R)
• M11: 8,742,350 km (0.107 R)
• M12: 12,322,377 km (0.111 R)
• M13: 13,350,114 km (0.109 R)
• M14: 15,575,083 km (0.106 R)
• M15: 16,048,112 km (0.117 R)
• M16: 16,857,586 km (0.119 R)
• M17: 19,089,287 km (0.096 R)
• M18: 19,722,385 km (0.055 R)
• M19: 19,997,795 km (0.062 R)
• M20: 21,705,305 km (0.081 R)
• M21: 23,507,809 km (0.101 R)
• M22: 26,954,844 km (0.098 R)
• M23: 27,522,119 km (0.037 R)
• M24: 33,510,970 km (0.102 R)
• M25: 37,155,324 km (0.11 R)
• M26: 39,580,605 km (0.116 R)
• M27: 39,872,769 km (0.096 R)
• M28: 45,220,295 km (0.082 R)
• M29: 47,651,559 km (0.115 R)
• M30: 49,151,278 km (0.105 R)
• M31: 52,244,962 km (0.099 R)
• M32: 53,126,692 km (0.09 R)
• M33: 56,753,543 km (0.07 R)
• M34: 58,627,256 km (0.116 R)
• M35: 65,306,502 km (0.11 R)
• M36: 69,251,098 km (0.079 R)
• M37: 71,389,749 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 424.3

Radius: 6.9

Gravity: 8.91 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 12.64 AU - 19.16 AU

Year: 27678 Days

Day: 18.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 80,547,528 km

• M1: 95,294 km (0.057 R)
• M2: 352,004 km (0.04 R)
• M3: 620,382 km (0.099 R)
• M4: 1,090,568 km (0.09 R)
• M5: 1,583,194 km (0.078 R)
• M6: 3,110,738 km (0.044 R)
• M7: 4,128,452 km (0.065 R)
• M8: 4,641,872 km (0.032 R)
• M9: 6,262,466 km (0.087 R)
• M10: 6,893,171 km (0.071 R)
• M11: 7,866,604 km (0.086 R)
• M12: 8,928,749 km (0.083 R)
• M13: 9,904,127 km (0.078 R)
• M14: 10,325,694 km (0.081 R)
• M15: 11,204,731 km (0.104 R)
• M16: 14,216,136 km (0.105 R)
• M17: 14,908,475 km (0.105 R)
• M18: 16,779,645 km (0.093 R)
• M19: 19,635,618 km (0.077 R)
• M20: 20,981,251 km (0.101 R)
• M21: 21,777,112 km (0.105 R)
• M22: 28,279,832 km (0.103 R)
• M23: 29,005,830 km (0.11 R)
• M24: 31,130,270 km (0.096 R)
• M25: 33,490,326 km (0.096 R)
• M26: 34,439,524 km (0.087 R)
• M27: 43,643,234 km (0.089 R)
• M28: 45,595,636 km (0.065 R)
• M29: 48,117,258 km (0.091 R)
• M30: 56,047,441 km (0.106 R)
• M31: 56,427,270 km (0.105 R)
• M32: 61,321,065 km (0.091 R)
• M33: 62,129,492 km (0.08 R)
• M34: 62,536,248 km (0.097 R)
• M35: 65,434,109 km (0.062 R)
• M36: 66,066,459 km (0.068 R)
• M37: 67,129,501 km (0.114 R)
• M38: 79,585,918 km (0.099 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 395 - 14,879 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit