🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.64

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.51 AU - 0.83 AU

Year: 354 Days

Day: 37.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,381,210 km

• M1: 719,865 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.5

Radius: 13.3

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.65 AU - 0.89 AU

Year: 436 Days

Day: 11.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,381,210 km

• M1: 165,455 km (0.098 R)
• M2: 622,477 km (0.079 R)
• M3: 1,299,706 km (0.056 R)
• M4: 1,839,755 km (0.051 R)
• M5: 2,627,387 km (0.082 R)
• M6: 3,770,016 km (0.095 R)
• M7: 4,600,883 km (0.092 R)
• M8: 5,076,305 km (0.106 R)
• M9: 5,533,924 km (0.079 R)
• M10: 6,199,186 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.1

Radius: 11.1

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.29 AU - 1.67 AU

Year: 1163 Days

Day: 9.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,381,210 km

• M1: 138,079 km (0.034 R)
• M2: 491,728 km (0.089 R)
• M3: 1,059,751 km (0.114 R)
• M4: 1,544,000 km (0.096 R)
• M5: 1,981,873 km (0.097 R)
• M6: 2,445,327 km (0.089 R)
• M7: 3,389,289 km (0.065 R)
• M8: 4,270,271 km (0.091 R)
• M9: 5,125,223 km (0.082 R)
• M10: 5,513,729 km (0.038 R)
• M11: 6,776,036 km (0.113 R)
• M12: 7,561,424 km (0.093 R)
• M13: 8,014,706 km (0.027 R)
• M14: 8,647,355 km (0.101 R)
• M15: 9,171,546 km (0.086 R)
• M16: 9,687,659 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.7

Radius: 8.6

Gravity: 13.23 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.89 AU - 2.63 AU

Year: 2194 Days

Day: 7.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,381,210 km

• M1: 106,962 km (0.114 R)
• M2: 442,361 km (0.043 R)
• M3: 802,443 km (0.115 R)
• M4: 1,195,586 km (0.111 R)
• M5: 1,512,883 km (0.117 R)
• M6: 1,874,761 km (0.097 R)
• M7: 4,241,548 km (0.116 R)
• M8: 5,876,204 km (0.083 R)
• M9: 6,921,145 km (0.093 R)
• M10: 8,313,154 km (0.095 R)
• M11: 10,875,167 km (0.063 R)
• M12: 13,011,873 km (0.079 R)
• M13: 16,276,398 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.2

Radius: 9.6

Gravity: 10.19 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.08 AU - 2.74 AU

Year: 2416 Days

Day: 13.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,381,210 km

• M1: 119,678 km (0.071 R)
• M2: 514,617 km (0.096 R)
• M3: 817,852 km (0.047 R)
• M4: 1,264,102 km (0.109 R)
• M5: 1,597,705 km (0.119 R)
• M6: 2,362,150 km (0.074 R)
• M7: 3,388,990 km (0.095 R)
• M8: 3,962,548 km (0.047 R)
• M9: 4,803,438 km (0.117 R)
• M10: 5,758,920 km (0.087 R)
• M11: 6,894,816 km (0.036 R)
• M12: 11,988,923 km (0.105 R)
• M13: 12,775,060 km (0.058 R)
• M14: 13,180,919 km (0.116 R)
• M15: 13,641,830 km (0.051 R)
• M16: 16,214,464 km (0.061 R)
• M17: 18,344,439 km (0.113 R)
• M18: 19,506,216 km (0.085 R)
• M19: 20,531,560 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.1

Radius: 13.7

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.29 AU - 5.17 AU

Year: 5617 Days

Day: 10.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,381,210 km

• M1: 171,140 km (0.095 R)
• M2: 755,170 km (0.082 R)
• M3: 1,347,428 km (0.039 R)
• M4: 1,835,267 km (0.056 R)
• M5: 2,334,624 km (0.032 R)
• M6: 2,907,285 km (0.067 R)
• M7: 3,353,236 km (0.1 R)
• M8: 4,177,221 km (0.093 R)
• M9: 4,773,668 km (0.114 R)
• M10: 6,228,208 km (0.077 R)
• M11: 7,239,340 km (0.118 R)
• M12: 7,960,701 km (0.098 R)
• M13: 9,308,428 km (0.115 R)
• M14: 9,912,953 km (0.026 R)
• M15: 12,743,345 km (0.086 R)
• M16: 15,014,839 km (0.1 R)
• M17: 15,847,501 km (0.117 R)
• M18: 20,548,165 km (0.096 R)
• M19: 21,574,855 km (0.097 R)
• M20: 22,420,532 km (0.073 R)
• M21: 23,288,200 km (0.111 R)
• M22: 24,103,209 km (0.106 R)
• M23: 25,400,073 km (0.097 R)
• M24: 27,146,778 km (0.056 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.6

Radius: 13.5

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 3.73 AU - 5.63 AU

Year: 6537 Days

Day: 5.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,381,210 km

• M1: 169,195 km (0.063 R)
• M2: 815,308 km (0.081 R)
• M3: 3,029,656 km (0.039 R)
• M4: 3,653,629 km (0.082 R)
• M5: 4,875,544 km (0.057 R)
• M6: 5,402,129 km (0.049 R)
• M7: 7,864,659 km (0.042 R)
• M8: 9,522,204 km (0.074 R)
• M9: 10,053,874 km (0.038 R)
• M10: 11,087,745 km (0.07 R)
• M11: 12,720,756 km (0.09 R)
• M12: 13,774,673 km (0.077 R)
• M13: 14,455,792 km (0.037 R)
• M14: 14,940,489 km (0.12 R)
• M15: 15,772,253 km (0.075 R)
• M16: 20,001,983 km (0.096 R)
• M17: 22,269,887 km (0.062 R)
• M18: 22,989,752 km (0.102 R)
• M19: 25,165,354 km (0.119 R)
• M20: 25,632,099 km (0.119 R)
• M21: 26,104,679 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.6

Radius: 8.5

Gravity: 12.76 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 4.55 AU - 5.19 AU

Year: 6939 Days

Day: 13.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 69,381,210 km

• M1: 105,915 km (0.068 R)
• M2: 670,498 km (0.068 R)
• M3: 1,552,228 km (0.028 R)
• M4: 2,003,863 km (0.072 R)
• M5: 3,170,727 km (0.108 R)
• M6: 3,441,050 km (0.109 R)
• M7: 4,132,492 km (0.099 R)
• M8: 4,854,601 km (0.081 R)
• M9: 5,153,796 km (0.075 R)
• M10: 5,922,580 km (0.117 R)
• M11: 6,195,297 km (0.109 R)
• M12: 6,692,560 km (0.113 R)
• M13: 8,688,794 km (0.092 R)
• M14: 8,996,966 km (0.066 R)
• M15: 9,635,000 km (0.111 R)
• M16: 10,157,247 km (0.084 R)
• M17: 10,598,560 km (0.057 R)
• M18: 13,519,459 km (0.096 R)
• M19: 17,349,912 km (0.097 R)
• M20: 18,626,730 km (0.047 R)
• M21: 19,662,396 km (0.12 R)
• M22: 20,041,328 km (0.079 R)
• M23: 21,287,029 km (0.085 R)
• M24: 31,486,612 km (0.074 R)
• M25: 34,029,925 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 42.6

Radius: 4.6

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 5.35 AU - 6.83 AU

Year: 9704 Days

Day: 18.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,381,210 km

• M1: 65,673 km (0.099 R)
• M2: 265,835 km (0.096 R)
• M3: 573,409 km (0.117 R)
• M4: 981,960 km (0.113 R)
• M5: 1,501,963 km (0.117 R)
• M6: 1,922,931 km (0.088 R)
• M7: 2,591,933 km (0.092 R)
• M8: 2,773,245 km (0.112 R)
• M9: 3,229,519 km (0.116 R)
• M10: 5,036,661 km (0.088 R)
• M11: 6,755,092 km (0.117 R)
• M12: 7,395,371 km (0.07 R)
• M13: 7,607,351 km (0.1 R)
• M14: 8,138,872 km (0.118 R)
• M15: 10,139,744 km (0.077 R)
• M16: 12,150,788 km (0.086 R)
• M17: 12,746,187 km (0.075 R)
• M18: 13,405,316 km (0.11 R)
• M19: 14,935,253 km (0.103 R)
• M20: 17,150,947 km (0.061 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 526.2

Radius: 3.4

Gravity: 45.52 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 9.08 AU - 10.56 AU

Year: 19869 Days

Day: 21.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 69,381,210 km

• M1: 42,336 km (0.057 R)
• M2: 228,436 km (0.106 R)
• M3: 342,579 km (0.084 R)
• M4: 648,357 km (0.116 R)
• M5: 832,063 km (0.083 R)
• M6: 1,178,532 km (0.081 R)
• M7: 1,468,602 km (0.114 R)
• M8: 1,768,546 km (0.088 R)
• M9: 2,028,996 km (0.082 R)
• M10: 2,625,891 km (0.081 R)
• M11: 4,155,380 km (0.119 R)
• M12: 4,315,599 km (0.086 R)
• M13: 7,013,896 km (0.088 R)
• M14: 7,473,461 km (0.063 R)
• M15: 8,814,007 km (0.068 R)
• M16: 9,240,212 km (0.069 R)
• M17: 9,735,680 km (0.07 R)
• M18: 10,660,195 km (0.073 R)
• M19: 11,896,023 km (0.074 R)
• M20: 14,066,987 km (0.117 R)
• M21: 15,019,477 km (0.088 R)
• M22: 19,977,000 km (0.097 R)
• M23: 20,990,376 km (0.036 R)
• M24: 22,037,562 km (0.07 R)
• M25: 22,623,237 km (0.105 R)
• M26: 28,254,101 km (0.074 R)
• M27: 28,944,944 km (0.088 R)
• M28: 30,963,618 km (0.057 R)
• M29: 34,359,041 km (0.077 R)
• M30: 39,976,740 km (0.11 R)
• M31: 44,145,733 km (0.111 R)
• M32: 50,422,112 km (0.082 R)
• M33: 59,491,782 km (0.054 R)
• M34: 62,158,962 km (0.113 R)
• M35: 64,309,731 km (0.056 R)
• M36: 67,321,735 km (0.101 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 176 - 15,163 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit