🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.6

Radius: 11.4

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.64 AU - 0.94 AU

Year: 446 Days

Day: 10.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,440,263 km

• M1: 141,819 km (0.112 R)
• M2: 523,892 km (0.103 R)
• M3: 912,397 km (0.061 R)
• M4: 1,276,519 km (0.097 R)
• M5: 1,665,323 km (0.088 R)
• M6: 2,021,666 km (0.098 R)
• M7: 2,669,574 km (0.028 R)
• M8: 3,026,215 km (0.12 R)
• M9: 3,551,603 km (0.117 R)
• M10: 3,930,534 km (0.1 R)
• M11: 4,424,207 km (0.058 R)
• M12: 5,451,197 km (0.045 R)
• M13: 5,904,030 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465

Radius: 9.3

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.82 AU - 1 AU

Year: 552 Days

Day: 7.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,440,263 km

• M1: 118,781 km (0.056 R)
• M2: 479,312 km (0.079 R)
• M3: 774,169 km (0.055 R)
• M4: 1,085,482 km (0.084 R)
• M5: 1,429,258 km (0.102 R)
• M6: 1,738,327 km (0.109 R)
• M7: 2,109,629 km (0.085 R)
• M8: 4,006,680 km (0.119 R)
• M9: 5,107,720 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.6

Radius: 9.7

Gravity: 8.32 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.46 AU - 1.72 AU

Year: 1275 Days

Day: 6.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,440,263 km

• M1: 120,725 km (0.093 R)
• M2: 532,568 km (0.086 R)
• M3: 883,675 km (0.11 R)
• M4: 1,608,776 km (0.096 R)
• M5: 2,223,623 km (0.042 R)
• M6: 2,822,463 km (0.099 R)
• M7: 3,131,233 km (0.118 R)
• M8: 3,478,300 km (0.069 R)
• M9: 3,884,758 km (0.106 R)
• M10: 4,639,180 km (0.103 R)
• M11: 5,595,708 km (0.107 R)
• M12: 6,155,653 km (0.043 R)
• M13: 6,801,617 km (0.097 R)
• M14: 7,732,714 km (0.118 R)
• M15: 8,144,706 km (0.116 R)
• M16: 8,484,892 km (0.076 R)
• M17: 9,073,111 km (0.118 R)
• M18: 9,688,108 km (0.045 R)
• M19: 10,330,780 km (0.083 R)
• M20: 11,523,524 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807

Radius: 11.8

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.87 AU - 2.89 AU

Year: 2335 Days

Day: 10 Hours

Environment

Temp: -189 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,440,263 km

• M1: 153,338 km (0.046 R)
• M2: 592,258 km (0.11 R)
• M3: 1,421,479 km (0.101 R)
• M4: 1,802,654 km (0.107 R)
• M5: 2,809,448 km (0.062 R)
• M6: 3,979,603 km (0.066 R)
• M7: 4,427,648 km (0.067 R)
• M8: 5,672,602 km (0.091 R)
• M9: 6,109,427 km (0.092 R)
• M10: 6,992,803 km (0.076 R)
• M11: 7,435,164 km (0.068 R)
• M12: 8,409,345 km (0.113 R)
• M13: 10,610,229 km (0.065 R)
• M14: 11,968,278 km (0.072 R)
• M15: 12,388,948 km (0.117 R)
• M16: 12,863,023 km (0.112 R)
• M17: 14,031,981 km (0.085 R)
• M18: 14,833,826 km (0.114 R)
• M19: 15,368,788 km (0.086 R)
• M20: 17,209,889 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.1

Radius: 14.1

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.17 AU - 2.81 AU

Year: 2498 Days

Day: 13.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,440,263 km

• M1: 175,628 km (0.067 R)
• M2: 625,020 km (0.104 R)
• M3: 1,094,608 km (0.11 R)
• M4: 1,661,135 km (0.092 R)
• M5: 2,621,254 km (0.102 R)
• M6: 3,550,556 km (0.116 R)
• M7: 4,285,381 km (0.118 R)
• M8: 4,733,725 km (0.095 R)
• M9: 5,576,261 km (0.083 R)
• M10: 9,121,730 km (0.061 R)
• M11: 10,541,564 km (0.051 R)
• M12: 11,648,438 km (0.085 R)
• M13: 13,095,199 km (0.086 R)
• M14: 14,139,841 km (0.088 R)
• M15: 16,138,917 km (0.032 R)
• M16: 16,862,822 km (0.117 R)
• M17: 18,264,703 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 921.2

Radius: 4

Gravity: 57.58 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 6.41 AU - 7.01 AU

Year: 11051 Days

Day: 16.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 67,440,263 km

• M1: 54,603 km (0.057 R)
• M2: 182,659 km (0.06 R)
• M3: 363,074 km (0.055 R)
• M4: 580,589 km (0.036 R)
• M5: 710,739 km (0.109 R)
• M6: 1,399,488 km (0.05 R)
• M7: 1,716,785 km (0.08 R)
• M8: 3,005,720 km (0.091 R)
• M9: 3,199,450 km (0.101 R)
• M10: 4,296,152 km (0.066 R)
• M11: 4,605,221 km (0.095 R)
• M12: 4,765,291 km (0.117 R)
• M13: 4,928,951 km (0.08 R)
• M14: 9,146,414 km (0.099 R)
• M15: 9,348,521 km (0.08 R)
• M16: 11,595,630 km (0.094 R)
• M17: 12,012,260 km (0.118 R)
• M18: 12,686,947 km (0.03 R)
• M19: 13,129,158 km (0.112 R)
• M20: 13,257,363 km (0.088 R)
• M21: 13,516,317 km (0.105 R)
• M22: 14,723,722 km (0.076 R)
• M23: 17,044,284 km (0.111 R)
• M24: 17,738,268 km (0.041 R)
• M25: 19,597,471 km (0.117 R)
• M26: 19,765,020 km (0.07 R)
• M27: 25,445,999 km (0.115 R)
• M28: 29,416,177 km (0.056 R)
• M29: 29,856,743 km (0.049 R)
• M30: 32,827,757 km (0.109 R)
• M31: 40,152,816 km (0.103 R)
• M32: 40,967,526 km (0.111 R)
• M33: 46,533,614 km (0.08 R)
• M34: 54,049,561 km (0.1 R)
• M35: 54,710,185 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 989.9

Radius: 3.6

Gravity: 76.38 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 7.55 AU - 9.05 AU

Year: 15204 Days

Day: 15.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 67,440,263 km

• M1: 52,658 km (0.109 R)
• M2: 272,268 km (0.104 R)
• M3: 384,317 km (0.099 R)
• M4: 498,161 km (0.069 R)
• M5: 643,869 km (0.073 R)
• M6: 828,174 km (0.089 R)
• M7: 962,214 km (0.102 R)
• M8: 1,097,899 km (0.084 R)
• M9: 1,274,574 km (0.079 R)
• M10: 1,920,837 km (0.086 R)
• M11: 2,413,313 km (0.105 R)
• M12: 3,760,890 km (0.074 R)
• M13: 4,458,017 km (0.095 R)
• M14: 5,237,272 km (0.036 R)
• M15: 7,014,794 km (0.087 R)
• M16: 11,133,522 km (0.1 R)
• M17: 11,764,676 km (0.094 R)
• M18: 12,154,528 km (0.059 R)
• M19: 13,872,360 km (0.082 R)
• M20: 14,826,495 km (0.073 R)
• M21: 15,823,565 km (0.104 R)
• M22: 15,980,793 km (0.11 R)
• M23: 16,378,573 km (0.119 R)
• M24: 18,379,894 km (0.062 R)
• M25: 18,904,533 km (0.069 R)
• M26: 21,581,886 km (0.087 R)
• M27: 24,501,289 km (0.12 R)
• M28: 25,029,818 km (0.092 R)
• M29: 25,674,136 km (0.082 R)
• M30: 27,220,380 km (0.091 R)
• M31: 28,131,132 km (0.088 R)
• M32: 28,594,137 km (0.082 R)
• M33: 38,241,404 km (0.097 R)
• M34: 41,137,619 km (0.078 R)
• M35: 50,017,599 km (0.084 R)
• M36: 67,855,350 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 225.8

Radius: 3.3

Gravity: 20.73 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 8.32 AU - 12.28 AU

Year: 21018 Days

Day: 15.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,440,263 km

• M1: 44,281 km (0.107 R)
• M2: 160,369 km (0.11 R)
• M3: 736,620 km (0.073 R)
• M4: 909,854 km (0.117 R)
• M5: 1,133,503 km (0.096 R)
• M6: 1,378,844 km (0.091 R)
• M7: 1,820,008 km (0.118 R)
• M8: 2,746,617 km (0.082 R)
• M9: 5,256,720 km (0.11 R)
• M10: 5,464,361 km (0.074 R)
• M11: 5,786,146 km (0.101 R)
• M12: 11,826,160 km (0.075 R)
• M13: 12,182,652 km (0.074 R)
• M14: 13,042,242 km (0.094 R)
• M15: 14,676,449 km (0.102 R)
• M16: 15,934,268 km (0.066 R)
• M17: 26,503,656 km (0.103 R)
• M18: 28,150,729 km (0.109 R)
• M19: 28,999,248 km (0.097 R)
• M20: 31,646,981 km (0.067 R)
• M21: 40,548,054 km (0.107 R)
• M22: 46,001,345 km (0.078 R)
• M23: 47,325,586 km (0.066 R)
• M24: 53,037,232 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 404.2

Radius: 5.4

Gravity: 13.86 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 8.96 AU - 12.1 AU

Year: 21726 Days

Day: 22.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,440,263 km

• M1: 67,618 km (0.105 R)
• M2: 294,558 km (0.08 R)
• M3: 794,365 km (0.081 R)
• M4: 1,251,237 km (0.118 R)
• M5: 1,922,781 km (0.093 R)
• M6: 2,379,953 km (0.081 R)
• M7: 2,738,688 km (0.1 R)
• M8: 3,081,417 km (0.114 R)
• M9: 4,063,677 km (0.094 R)
• M10: 11,899,015 km (0.111 R)
• M11: 16,913,535 km (0.082 R)
• M12: 20,421,306 km (0.099 R)
• M13: 20,787,522 km (0.083 R)
• M14: 24,901,014 km (0.057 R)
• M15: 35,739,530 km (0.085 R)
• M16: 36,405,091 km (0.106 R)
• M17: 49,839,877 km (0.111 R)
• M18: 60,610,774 km (0.116 R)
• M19: 66,234,756 km (0.056 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 376 - 17,705 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit