🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.2

Radius: 9

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.46 AU - 0.76 AU

Year: 318 Days

Day: 11.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,305,935 km

• M1: 112,647 km (0.089 R)
• M2: 573,409 km (0.064 R)
• M3: 1,003,054 km (0.092 R)
• M4: 1,284,747 km (0.061 R)
• M5: 1,594,414 km (0.113 R)
• M6: 2,130,573 km (0.039 R)
• M7: 2,614,821 km (0.101 R)
• M8: 2,908,033 km (0.108 R)
• M9: 3,308,507 km (0.038 R)
• M10: 3,923,354 km (0.116 R)
• M11: 4,348,361 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.9

Radius: 10.8

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.5 AU - 0.76 AU

Year: 333 Days

Day: 5.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 109.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 83,305,935 km

• M1: 134,339 km (0.061 R)
• M2: 801,097 km (0.083 R)
• M3: 1,157,140 km (0.078 R)
• M4: 1,640,640 km (0.082 R)
• M5: 2,129,974 km (0.113 R)
• M6: 2,875,121 km (0.118 R)
• M7: 3,214,409 km (0.062 R)
• M8: 3,625,504 km (0.032 R)

Asteroid Belt

Center: 1.03 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.2

Radius: 9.3

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.32 AU - 1.52 AU

Year: 1128 Days

Day: 10.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 83,305,935 km

• M1: 115,639 km (0.08 R)
• M2: 480,808 km (0.065 R)
• M3: 957,127 km (0.119 R)
• M4: 1,870,721 km (0.05 R)
• M5: 2,441,886 km (0.05 R)
• M6: 2,840,265 km (0.047 R)
• M7: 3,402,304 km (0.115 R)
• M8: 3,841,524 km (0.048 R)
• M9: 4,398,776 km (0.088 R)
• M10: 5,242,807 km (0.096 R)
• M11: 5,655,398 km (0.118 R)
• M12: 6,089,381 km (0.108 R)
• M13: 6,847,543 km (0.088 R)
• M14: 7,620,067 km (0.045 R)
• M15: 7,978,952 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.1

Radius: 13

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.13 AU - 1.85 AU

Year: 1213 Days

Day: 6.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 83,305,935 km

• M1: 166,203 km (0.076 R)
• M2: 797,057 km (0.09 R)
• M3: 1,453,044 km (0.102 R)
• M4: 2,882,153 km (0.119 R)
• M5: 3,896,875 km (0.105 R)
• M6: 6,839,914 km (0.119 R)
• M7: 7,330,595 km (0.094 R)
• M8: 8,086,214 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.9

Radius: 13.2

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.97 AU - 2.93 AU

Year: 2557 Days

Day: 11.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,305,935 km

• M1: 164,109 km (0.09 R)
• M2: 623,973 km (0.064 R)
• M3: 1,175,540 km (0.113 R)
• M4: 1,931,309 km (0.104 R)
• M5: 2,490,356 km (0.093 R)
• M6: 3,669,486 km (0.092 R)
• M7: 4,136,680 km (0.117 R)
• M8: 4,661,769 km (0.117 R)
• M9: 5,310,575 km (0.041 R)
• M10: 5,954,145 km (0.068 R)
• M11: 7,223,782 km (0.091 R)
• M12: 7,676,465 km (0.105 R)
• M13: 8,336,491 km (0.079 R)
• M14: 8,891,649 km (0.107 R)
• M15: 9,922,677 km (0.102 R)
• M16: 10,803,509 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 252

Radius: 6.8

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 5.78 AU - 8.22 AU

Year: 12350 Days

Day: 16.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 142.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 83,305,935 km

• M1: 84,672 km (0.082 R)
• M2: 643,720 km (0.087 R)
• M3: 878,439 km (0.102 R)
• M4: 1,118,094 km (0.105 R)
• M5: 2,050,688 km (0.105 R)
• M6: 2,515,937 km (0.101 R)
• M7: 3,727,680 km (0.091 R)
• M8: 4,206,692 km (0.097 R)
• M9: 6,331,281 km (0.085 R)
• M10: 7,275,842 km (0.104 R)
• M11: 8,311,209 km (0.073 R)
• M12: 10,329,733 km (0.116 R)
• M13: 13,328,422 km (0.089 R)
• M14: 14,994,344 km (0.086 R)
• M15: 16,071,000 km (0.098 R)
• M16: 16,928,495 km (0.104 R)
• M17: 17,677,532 km (0.099 R)
• M18: 18,519,618 km (0.099 R)
• M19: 20,587,958 km (0.062 R)
• M20: 22,317,609 km (0.115 R)
• M21: 22,723,767 km (0.084 R)
• M22: 25,973,631 km (0.114 R)
• M23: 31,308,142 km (0.089 R)
• M24: 34,879,342 km (0.094 R)
• M25: 36,425,586 km (0.116 R)
• M26: 36,762,779 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 782.1

Radius: 7.6

Gravity: 13.54 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 8.51 AU - 8.67 AU

Year: 16789 Days

Day: 22.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 83,305,935 km

• M1: 95,743 km (0.108 R)
• M2: 373,247 km (0.034 R)
• M3: 730,486 km (0.065 R)
• M4: 1,294,171 km (0.115 R)
• M5: 1,645,876 km (0.103 R)
• M6: 2,543,014 km (0.081 R)
• M7: 3,821,478 km (0.095 R)
• M8: 4,190,835 km (0.12 R)
• M9: 4,651,596 km (0.118 R)
• M10: 5,481,565 km (0.053 R)
• M11: 6,973,654 km (0.112 R)
• M12: 7,246,371 km (0.108 R)
• M13: 9,088,669 km (0.091 R)
• M14: 12,639,374 km (0.104 R)
• M15: 13,114,049 km (0.083 R)
• M16: 13,670,852 km (0.107 R)
• M17: 14,389,071 km (0.081 R)
• M18: 15,207,820 km (0.111 R)
• M19: 15,978,848 km (0.082 R)
• M20: 16,294,350 km (0.12 R)
• M21: 17,514,919 km (0.104 R)
• M22: 17,850,467 km (0.036 R)
• M23: 18,882,842 km (0.081 R)
• M24: 19,147,181 km (0.093 R)
• M25: 23,717,546 km (0.116 R)
• M26: 25,927,555 km (0.076 R)
• M27: 34,675,290 km (0.082 R)
• M28: 36,279,279 km (0.119 R)
• M29: 37,792,611 km (0.094 R)
• M30: 43,191,149 km (0.065 R)
• M31: 53,351,986 km (0.078 R)
• M32: 55,306,782 km (0.041 R)
• M33: 56,210,802 km (0.1 R)
• M34: 60,306,342 km (0.04 R)
• M35: 61,264,068 km (0.115 R)
• M36: 66,815,645 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 967.4

Radius: 5.8

Gravity: 28.76 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 7.29 AU - 11.55 AU

Year: 19280 Days

Day: 18.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 83,305,935 km

• M1: 72,106 km (0.102 R)
• M2: 518,207 km (0.079 R)
• M3: 778,807 km (0.092 R)
• M4: 2,081,206 km (0.06 R)
• M5: 3,063,316 km (0.105 R)
• M6: 3,343,512 km (0.114 R)
• M7: 4,119,477 km (0.099 R)
• M8: 4,675,532 km (0.1 R)
• M9: 5,601,393 km (0.118 R)
• M10: 7,066,106 km (0.07 R)
• M11: 10,538,871 km (0.103 R)
• M12: 12,393,735 km (0.106 R)
• M13: 16,144,602 km (0.11 R)
• M14: 16,821,233 km (0.096 R)
• M15: 21,687,503 km (0.038 R)
• M16: 24,001,482 km (0.082 R)
• M17: 25,330,659 km (0.063 R)
• M18: 34,074,655 km (0.025 R)
• M19: 37,044,173 km (0.111 R)
• M20: 39,723,022 km (0.07 R)
• M21: 55,641,282 km (0.108 R)
• M22: 56,793,635 km (0.104 R)
• M23: 60,749,601 km (0.065 R)
• M24: 64,885,234 km (0.102 R)
• M25: 66,590,799 km (0.119 R)
• M26: 69,646,934 km (0.086 R)
• M27: 77,693,953 km (0.094 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 489 - 12,306 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit