🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.3

Radius: 12.3

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.45 AU - 0.65 AU

Year: 272 Days

Day: 9.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 46,063,043 km

• M1: 153,039 km (0.082 R)
• M2: 594,951 km (0.093 R)
• M3: 1,038,957 km (0.102 R)
• M4: 1,504,207 km (0.092 R)
• M5: 2,008,800 km (0.109 R)
• M6: 2,401,644 km (0.067 R)
• M7: 2,897,412 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.2

Radius: 10.9

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.55 AU - 0.89 AU

Year: 407 Days

Day: 5.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,063,043 km

• M1: 135,536 km (0.062 R)
• M2: 613,202 km (0.079 R)
• M3: 1,032,824 km (0.095 R)
• M4: 1,598,154 km (0.064 R)
• M5: 1,976,786 km (0.09 R)
• M6: 2,971,163 km (0.116 R)
• M7: 3,433,870 km (0.096 R)
• M8: 4,046,922 km (0.057 R)
• M9: 4,966,649 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.7

Radius: 8.5

Gravity: 10.75 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.78 AU - 0.94 AU

Year: 532 Days

Day: 9.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,063,043 km

• M1: 105,766 km (0.113 R)
• M2: 582,085 km (0.087 R)
• M3: 914,941 km (0.078 R)
• M4: 1,245,253 km (0.093 R)
• M5: 1,956,740 km (0.07 R)
• M6: 2,393,117 km (0.108 R)
• M7: 3,090,542 km (0.105 R)
• M8: 3,384,652 km (0.096 R)
• M9: 4,232,722 km (0.112 R)
• M10: 4,867,017 km (0.108 R)
• M11: 5,215,580 km (0.057 R)
• M12: 5,492,486 km (0.074 R)
• M13: 6,189,462 km (0.102 R)
• M14: 6,639,154 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.1

Radius: 13.8

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.81 AU - 0.97 AU

Year: 560 Days

Day: 12.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,063,043 km

• M1: 171,738 km (0.072 R)
• M2: 622,327 km (0.12 R)
• M3: 1,089,820 km (0.11 R)
• M4: 1,608,925 km (0.044 R)
• M5: 2,137,454 km (0.084 R)
• M6: 3,328,104 km (0.094 R)
• M7: 3,971,674 km (0.101 R)
• M8: 4,522,344 km (0.075 R)
• M9: 4,953,036 km (0.083 R)
• M10: 5,526,295 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227

Radius: 9.1

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.29 AU - 1.33 AU

Year: 1000 Days

Day: 10.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,063,043 km

• M1: 113,246 km (0.11 R)
• M2: 455,077 km (0.11 R)
• M3: 857,345 km (0.083 R)
• M4: 2,000,273 km (0.105 R)
• M5: 2,285,556 km (0.119 R)
• M6: 2,662,244 km (0.106 R)
• M7: 3,633,283 km (0.116 R)
• M8: 4,047,670 km (0.119 R)
• M9: 4,712,183 km (0.112 R)
• M10: 5,660,933 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.8

Radius: 8.2

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.08 AU - 3.42 AU

Year: 3041 Days

Day: 14.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 46,063,043 km

• M1: 102,325 km (0.061 R)
• M2: 363,972 km (0.072 R)
• M3: 1,347,877 km (0.082 R)
• M4: 1,928,017 km (0.105 R)
• M5: 2,302,162 km (0.114 R)
• M6: 2,876,019 km (0.09 R)
• M7: 3,264,076 km (0.057 R)
• M8: 3,524,077 km (0.089 R)
• M9: 4,027,324 km (0.032 R)
• M10: 4,815,855 km (0.081 R)
• M11: 5,085,131 km (0.025 R)
• M12: 5,388,216 km (0.096 R)
• M13: 5,703,419 km (0.103 R)
• M14: 6,586,345 km (0.042 R)
• M15: 6,947,026 km (0.1 R)
• M16: 7,233,356 km (0.118 R)
• M17: 7,527,615 km (0.099 R)
• M18: 7,891,288 km (0.112 R)
• M19: 8,330,357 km (0.034 R)
• M20: 9,223,008 km (0.111 R)
• M21: 11,236,446 km (0.085 R)
• M22: 12,959,215 km (0.102 R)
• M23: 13,482,209 km (0.115 R)
• M24: 14,019,116 km (0.09 R)
• M25: 15,520,779 km (0.074 R)
• M26: 15,863,059 km (0.07 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.7

Radius: 12.7

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.55 AU - 3.51 AU

Year: 3517 Days

Day: 11.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,063,043 km

• M1: 157,975 km (0.119 R)
• M2: 743,501 km (0.09 R)
• M3: 1,297,462 km (0.118 R)
• M4: 2,534,637 km (0.063 R)
• M5: 3,354,583 km (0.075 R)
• M6: 4,128,153 km (0.089 R)
• M7: 4,929,699 km (0.113 R)
• M8: 5,567,135 km (0.045 R)
• M9: 6,284,756 km (0.097 R)
• M10: 7,091,089 km (0.11 R)
• M11: 8,179,264 km (0.105 R)
• M12: 9,107,668 km (0.107 R)
• M13: 10,465,418 km (0.048 R)
• M14: 12,645,358 km (0.089 R)
• M15: 14,558,865 km (0.034 R)
• M16: 15,206,324 km (0.058 R)
• M17: 16,311,703 km (0.048 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 641.5

Radius: 3.1

Gravity: 66.75 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 4.85 AU - 6.75 AU

Year: 9315 Days

Day: 20.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 46,063,043 km

• M1: 38,596 km (0.084 R)
• M2: 224,995 km (0.116 R)
• M3: 349,909 km (0.066 R)
• M4: 495,169 km (0.114 R)
• M5: 947,852 km (0.059 R)
• M6: 1,435,392 km (0.088 R)
• M7: 1,586,934 km (0.111 R)
• M8: 1,873,713 km (0.046 R)
• M9: 3,232,660 km (0.107 R)
• M10: 3,691,776 km (0.096 R)
• M11: 3,793,802 km (0.094 R)
• M12: 4,474,173 km (0.062 R)
• M13: 5,931,855 km (0.118 R)
• M14: 6,036,723 km (0.093 R)
• M15: 6,616,863 km (0.092 R)
• M16: 7,971,173 km (0.074 R)
• M17: 8,314,799 km (0.074 R)
• M18: 8,758,058 km (0.098 R)
• M19: 9,216,874 km (0.104 R)
• M20: 10,689,366 km (0.095 R)
• M21: 12,030,511 km (0.089 R)
• M22: 12,886,660 km (0.083 R)
• M23: 15,764,773 km (0.12 R)
• M24: 17,139,428 km (0.104 R)
• M25: 17,711,042 km (0.094 R)
• M26: 20,046,115 km (0.093 R)
• M27: 20,680,410 km (0.078 R)
• M28: 20,840,928 km (0.103 R)
• M29: 26,716,085 km (0.107 R)
• M30: 29,772,370 km (0.112 R)
• M31: 31,331,628 km (0.115 R)
• M32: 34,161,571 km (0.085 R)
• M33: 34,498,615 km (0.113 R)
• M34: 35,869,231 km (0.112 R)
• M35: 37,157,269 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 470.5

Radius: 4.5

Gravity: 23.23 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 5.49 AU - 6.29 AU

Year: 9532 Days

Day: 24.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 46,063,043 km

• M1: 102,026 km (0.043 R)
• M2: 257,009 km (0.102 R)
• M3: 750,383 km (0.097 R)
• M4: 1,084,884 km (0.057 R)
• M5: 1,298,360 km (0.106 R)
• M6: 1,840,054 km (0.116 R)
• M7: 2,408,675 km (0.069 R)
• M8: 3,446,436 km (0.071 R)
• M9: 3,612,340 km (0.108 R)
• M10: 5,047,582 km (0.107 R)
• M11: 5,261,956 km (0.079 R)
• M12: 6,111,671 km (0.101 R)
• M13: 6,751,053 km (0.084 R)
• M14: 8,329,909 km (0.065 R)
• M15: 9,250,085 km (0.1 R)
• M16: 10,629,378 km (0.071 R)
• M17: 13,435,983 km (0.102 R)
• M18: 18,226,705 km (0.118 R)
• M19: 21,316,051 km (0.066 R)
• M20: 22,038,010 km (0.073 R)
• M21: 23,446,025 km (0.113 R)
• M22: 25,534,262 km (0.105 R)
• M23: 27,086,340 km (0.104 R)
• M24: 32,642,405 km (0.107 R)
• M25: 35,573,476 km (0.105 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 632.9

Radius: 7.2

Gravity: 12.21 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 5.78 AU - 6.22 AU

Year: 9801 Days

Day: 19.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 46,063,043 km

• M1: 89,609 km (0.117 R)
• M2: 344,524 km (0.094 R)
• M3: 799,301 km (0.09 R)
• M4: 1,153,848 km (0.068 R)
• M5: 1,697,038 km (0.118 R)
• M6: 2,181,287 km (0.069 R)
• M7: 3,719,302 km (0.098 R)
• M8: 6,116,459 km (0.074 R)
• M9: 6,628,682 km (0.116 R)
• M10: 6,972,757 km (0.034 R)
• M11: 9,013,272 km (0.116 R)
• M12: 10,119,398 km (0.117 R)
• M13: 10,524,659 km (0.11 R)
• M14: 10,888,032 km (0.044 R)
• M15: 11,861,017 km (0.076 R)
• M16: 12,368,602 km (0.115 R)
• M17: 13,008,582 km (0.069 R)
• M18: 13,306,731 km (0.03 R)
• M19: 14,545,102 km (0.112 R)
• M20: 17,249,083 km (0.093 R)
• M21: 21,655,638 km (0.108 R)
• M22: 24,521,784 km (0.068 R)
• M23: 25,998,315 km (0.1 R)
• M24: 27,631,176 km (0.11 R)
• M25: 28,124,250 km (0.104 R)
• M26: 29,127,753 km (0.106 R)
• M27: 30,782,754 km (0.104 R)
• M28: 31,526,106 km (0.107 R)
• M29: 32,718,401 km (0.11 R)
• M30: 37,547,869 km (0.118 R)
• M31: 37,909,896 km (0.074 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 403 - 10,760 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit