🌌 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: 327.9

Radius: 8.5

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.47 AU - 0.75 AU

Year: 318 Days

Day: 10.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 145.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,216,309 km

• M1: 105,766 km (0.12 R)
• M2: 441,015 km (0.098 R)
• M3: 765,044 km (0.09 R)
• M4: 1,046,138 km (0.054 R)
• M5: 1,354,160 km (0.035 R)
• M6: 1,641,687 km (0.073 R)
• M7: 1,970,354 km (0.093 R)
• M8: 2,280,171 km (0.117 R)
• M9: 2,761,726 km (0.111 R)
• M10: 3,112,982 km (0.057 R)
• M11: 3,421,453 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.6

Radius: 10.6

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.51 AU - 0.73 AU

Year: 326 Days

Day: 7.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,216,309 km

• M1: 131,796 km (0.109 R)
• M2: 461,360 km (0.086 R)
• M3: 866,770 km (0.075 R)
• M4: 1,203,664 km (0.087 R)
• M5: 1,599,351 km (0.062 R)
• M6: 2,134,762 km (0.071 R)
• M7: 2,616,616 km (0.029 R)
• M8: 3,250,911 km (0.1 R)
• M9: 3,621,465 km (0.066 R)
• M10: 3,996,657 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.2

Radius: 9

Gravity: 8.58 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.52 AU - 0.82 AU

Year: 366 Days

Day: 11.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,216,309 km

• M1: 112,049 km (0.094 R)
• M2: 399,277 km (0.049 R)
• M3: 679,324 km (0.078 R)
• M4: 1,200,822 km (0.119 R)
• M5: 1,585,289 km (0.095 R)
• M6: 1,893,909 km (0.102 R)
• M7: 2,268,801 km (0.035 R)
• M8: 2,673,464 km (0.059 R)
• M9: 3,169,231 km (0.093 R)
• M10: 3,497,748 km (0.076 R)
• M11: 3,924,551 km (0.094 R)
• M12: 4,385,910 km (0.066 R)
• M13: 4,882,874 km (0.104 R)
• M14: 5,307,284 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.5

Radius: 13.8

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.62 AU - 0.96 AU

Year: 468 Days

Day: 8.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 71,216,309 km

• M1: 171,589 km (0.053 R)
• M2: 1,891,067 km (0.053 R)
• M3: 2,763,073 km (0.095 R)
• M4: 3,391,982 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334

Radius: 14.5

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.76 AU - 0.88 AU

Year: 495 Days

Day: 5.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 71,216,309 km

• M1: 180,864 km (0.1 R)
• M2: 790,026 km (0.036 R)
• M3: 1,723,218 km (0.053 R)
• M4: 2,664,488 km (0.106 R)
• M5: 3,301,475 km (0.092 R)
• M6: 4,139,971 km (0.104 R)
• M7: 4,941,517 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642

Radius: 9.1

Gravity: 7.75 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.82 AU - 1.36 AU

Year: 759 Days

Day: 9.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,216,309 km

• M1: 113,246 km (0.09 R)
• M2: 400,623 km (0.117 R)
• M3: 706,102 km (0.117 R)
• M4: 1,125,275 km (0.118 R)
• M5: 1,419,385 km (0.088 R)
• M6: 1,714,840 km (0.098 R)
• M7: 2,197,144 km (0.068 R)
• M8: 2,686,927 km (0.06 R)
• M9: 3,570,752 km (0.092 R)
• M10: 4,472,528 km (0.108 R)
• M11: 5,352,462 km (0.088 R)
• M12: 5,843,293 km (0.077 R)
• M13: 7,451,919 km (0.102 R)
• M14: 7,968,181 km (0.03 R)
• M15: 8,259,598 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.9

Radius: 13.3

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.63 AU - 1.95 AU

Year: 1597 Days

Day: 13.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,216,309 km

• M1: 165,455 km (0.099 R)
• M2: 612,005 km (0.049 R)
• M3: 1,089,372 km (0.086 R)
• M4: 2,124,888 km (0.081 R)
• M5: 3,214,559 km (0.102 R)
• M6: 3,768,670 km (0.061 R)
• M7: 4,773,818 km (0.072 R)
• M8: 5,320,149 km (0.075 R)
• M9: 6,185,722 km (0.109 R)
• M10: 8,382,118 km (0.106 R)
• M11: 9,730,294 km (0.056 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 492.6

Radius: 3.5

Gravity: 40.21 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 6.01 AU - 6.49 AU

Year: 10420 Days

Day: 17.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 71,216,309 km

• M1: 43,533 km (0.074 R)
• M2: 318,195 km (0.117 R)
• M3: 506,688 km (0.043 R)
• M4: 615,745 km (0.092 R)
• M5: 1,198,728 km (0.104 R)
• M6: 1,357,152 km (0.073 R)
• M7: 1,488,349 km (0.078 R)
• M8: 1,934,001 km (0.083 R)
• M9: 2,118,007 km (0.107 R)
• M10: 2,781,623 km (0.058 R)
• M11: 3,573,744 km (0.099 R)
• M12: 3,825,218 km (0.063 R)
• M13: 4,169,592 km (0.104 R)
• M14: 4,650,699 km (0.099 R)
• M15: 4,769,031 km (0.066 R)
• M16: 5,167,858 km (0.094 R)
• M17: 5,456,582 km (0.067 R)
• M18: 5,654,949 km (0.065 R)
• M19: 5,961,625 km (0.105 R)
• M20: 6,101,349 km (0.094 R)
• M21: 9,378,440 km (0.107 R)
• M22: 10,150,664 km (0.099 R)
• M23: 11,386,941 km (0.026 R)
• M24: 12,835,797 km (0.07 R)
• M25: 16,025,971 km (0.113 R)
• M26: 17,911,203 km (0.099 R)
• M27: 19,019,873 km (0.109 R)
• M28: 22,366,228 km (0.04 R)
• M29: 22,619,348 km (0.086 R)
• M30: 23,389,777 km (0.117 R)
• M31: 27,313,878 km (0.083 R)
• M32: 32,080,515 km (0.118 R)
• M33: 33,161,510 km (0.113 R)
• M34: 33,490,475 km (0.078 R)
• M35: 33,710,983 km (0.056 R)
• M36: 40,161,942 km (0.075 R)
• M37: 40,911,876 km (0.092 R)
• M38: 41,290,209 km (0.05 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 657.3

Radius: 4.4

Gravity: 33.95 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 6.39 AU - 10.37 AU

Year: 16177 Days

Day: 20.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 71,216,309 km

• M1: 59,839 km (0.109 R)
• M2: 249,080 km (0.064 R)
• M3: 397,631 km (0.099 R)
• M4: 1,035,666 km (0.073 R)
• M5: 1,238,970 km (0.105 R)
• M6: 1,760,169 km (0.12 R)
• M7: 2,031,838 km (0.103 R)
• M8: 2,967,124 km (0.107 R)
• M9: 3,432,972 km (0.038 R)
• M10: 3,886,553 km (0.089 R)
• M11: 4,707,396 km (0.112 R)
• M12: 5,376,099 km (0.116 R)
• M13: 14,613,468 km (0.081 R)
• M14: 18,263,806 km (0.073 R)
• M15: 18,684,774 km (0.085 R)
• M16: 19,112,026 km (0.088 R)
• M17: 32,028,007 km (0.118 R)
• M18: 32,394,073 km (0.09 R)
• M19: 46,411,243 km (0.079 R)
• M20: 46,723,454 km (0.063 R)
• M21: 47,351,915 km (0.085 R)
• M22: 48,465,372 km (0.042 R)
• M23: 54,122,714 km (0.108 R)
• M24: 54,295,500 km (0.077 R)
• M25: 56,574,624 km (0.042 R)
• M26: 63,217,667 km (0.053 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 783.3

Radius: 7.5

Gravity: 13.93 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 7.29 AU - 9.99 AU

Year: 16936 Days

Day: 16.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 71,216,309 km

• M1: 98,136 km (0.074 R)
• M2: 494,421 km (0.087 R)
• M3: 780,602 km (0.052 R)
• M4: 1,431,951 km (0.089 R)
• M5: 1,739,674 km (0.112 R)
• M6: 4,577,246 km (0.102 R)
• M7: 5,067,179 km (0.057 R)
• M8: 6,028,794 km (0.031 R)
• M9: 6,926,232 km (0.106 R)
• M10: 7,861,069 km (0.11 R)
• M11: 9,527,739 km (0.119 R)
• M12: 10,802,163 km (0.055 R)
• M13: 11,733,859 km (0.085 R)
• M14: 12,717,913 km (0.053 R)
• M15: 15,455,854 km (0.111 R)
• M16: 16,157,617 km (0.088 R)
• M17: 16,798,943 km (0.095 R)
• M18: 22,654,503 km (0.108 R)
• M19: 23,154,459 km (0.066 R)
• M20: 24,698,160 km (0.059 R)
• M21: 27,421,589 km (0.105 R)
• M22: 28,564,965 km (0.085 R)
• M23: 29,620,827 km (0.11 R)
• M24: 33,456,965 km (0.083 R)
• M25: 34,761,758 km (0.053 R)
• M26: 37,611,747 km (0.108 R)
• M27: 38,031,070 km (0.037 R)
• M28: 38,453,684 km (0.052 R)
• M29: 42,248,234 km (0.098 R)
• M30: 50,402,066 km (0.092 R)
• M31: 51,082,587 km (0.08 R)
• M32: 58,790,617 km (0.051 R)
• M33: 64,404,875 km (0.106 R)
• M34: 65,407,630 km (0.081 R)
• M35: 67,238,857 km (0.084 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 222 - 13,472 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit