🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.05 AU - 1.11 AU

Year: 410 Days

Day: 46.1 Hours

Environment

Temp: 31 °C

Axial Tilt: 3.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 86,668,753 km

• M1: 56,847 km (0.112 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.15 AU - 1.45 AU

Year: 541 Days

Day: 17.1 Hours

Environment

Temp: -6 °C

Axial Tilt: 31.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.4 AU - 1.84 AU

Year: 753 Days

Day: 46.6 Hours

Environment

Temp: -41 °C

Axial Tilt: 29.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 86,668,753 km

• M1: 987,047 km (0.1 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.81 AU - 1.97 AU

Year: 949 Days

Day: 17.9 Hours

Environment

Temp: -65 °C

Axial Tilt: 37.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.6

Radius: 14.6

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 6.07 AU - 9.03 AU

Year: 7577 Days

Day: 13.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,668,753 km

• M1: 182,210 km (0.112 R)
• M2: 751,131 km (0.099 R)
• M3: 1,415,794 km (0.111 R)
• M4: 2,662,543 km (0.087 R)
• M5: 3,835,241 km (0.064 R)
• M6: 6,483,273 km (0.118 R)
• M7: 11,464,433 km (0.078 R)
• M8: 17,153,341 km (0.079 R)
• M9: 17,961,319 km (0.115 R)
• M10: 19,037,376 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.2

Radius: 10.3

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 8.9 AU - 12.3 AU

Year: 12605 Days

Day: 7.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 86,668,753 km

• M1: 128,205 km (0.03 R)
• M2: 506,389 km (0.093 R)
• M3: 895,044 km (0.108 R)
• M4: 1,405,023 km (0.057 R)
• M5: 1,798,765 km (0.043 R)
• M6: 2,992,257 km (0.084 R)
• M7: 3,758,497 km (0.069 R)
• M8: 4,437,671 km (0.069 R)
• M9: 5,163,221 km (0.074 R)
• M10: 5,572,221 km (0.103 R)
• M11: 5,966,113 km (0.097 R)
• M12: 7,218,696 km (0.071 R)
• M13: 8,781,096 km (0.114 R)
• M14: 9,167,806 km (0.086 R)
• M15: 9,975,336 km (0.077 R)
• M16: 14,009,691 km (0.088 R)
• M17: 15,989,918 km (0.071 R)
• M18: 21,352,702 km (0.09 R)
• M19: 23,408,177 km (0.093 R)
• M20: 28,012,650 km (0.115 R)
• M21: 29,385,510 km (0.114 R)
• M22: 29,708,641 km (0.081 R)
• M23: 30,361,935 km (0.096 R)
• M24: 31,136,104 km (0.058 R)
• M25: 33,187,540 km (0.083 R)
• M26: 38,578,448 km (0.106 R)
• M27: 49,064,810 km (0.081 R)
• M28: 50,901,573 km (0.108 R)
• M29: 51,523,900 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.6

Radius: 11.6

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 8.57 AU - 13.51 AU

Year: 13398 Days

Day: 11.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 86,668,753 km

• M1: 144,212 km (0.099 R)
• M2: 546,780 km (0.119 R)
• M3: 1,271,432 km (0.037 R)
• M4: 2,631,576 km (0.12 R)
• M5: 3,187,631 km (0.097 R)
• M6: 3,877,427 km (0.112 R)
• M7: 4,380,375 km (0.12 R)
• M8: 5,027,685 km (0.061 R)
• M9: 5,663,925 km (0.081 R)
• M10: 9,576,657 km (0.063 R)
• M11: 12,395,829 km (0.101 R)
• M12: 14,028,840 km (0.058 R)
• M13: 15,580,618 km (0.043 R)
• M14: 16,626,008 km (0.028 R)
• M15: 18,118,696 km (0.119 R)
• M16: 19,698,898 km (0.104 R)
• M17: 23,708,121 km (0.11 R)
• M18: 26,839,354 km (0.081 R)
• M19: 29,110,998 km (0.073 R)
• M20: 32,935,018 km (0.11 R)
• M21: 33,910,097 km (0.114 R)
• M22: 45,940,908 km (0.033 R)
• M23: 50,134,734 km (0.114 R)
• M24: 53,735,256 km (0.095 R)
• M25: 55,427,507 km (0.116 R)
• M26: 55,942,124 km (0.069 R)
• M27: 60,173,649 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 809.6

Radius: 4.5

Gravity: 39.98 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 11.12 AU - 16.96 AU

Year: 19215 Days

Day: 23.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 86,668,753 km

• M1: 55,950 km (0.041 R)
• M2: 266,135 km (0.083 R)
• M3: 454,179 km (0.066 R)
• M4: 645,365 km (0.063 R)
• M5: 801,695 km (0.085 R)
• M6: 995,873 km (0.117 R)
• M7: 1,906,326 km (0.117 R)
• M8: 2,620,805 km (0.116 R)
• M9: 2,767,860 km (0.077 R)
• M10: 4,020,742 km (0.105 R)
• M11: 4,522,792 km (0.038 R)
• M12: 5,255,672 km (0.085 R)
• M13: 6,678,199 km (0.103 R)
• M14: 7,141,054 km (0.047 R)
• M15: 7,976,708 km (0.089 R)
• M16: 8,339,034 km (0.073 R)
• M17: 8,497,757 km (0.11 R)
• M18: 11,907,991 km (0.113 R)
• M19: 13,949,702 km (0.077 R)
• M20: 14,323,847 km (0.096 R)
• M21: 15,249,109 km (0.111 R)
• M22: 15,968,675 km (0.083 R)
• M23: 16,213,417 km (0.117 R)
• M24: 16,377,975 km (0.099 R)
• M25: 20,864,565 km (0.051 R)
• M26: 22,559,060 km (0.058 R)
• M27: 37,200,503 km (0.114 R)
• M28: 40,432,864 km (0.102 R)
• M29: 44,973,309 km (0.056 R)
• M30: 46,947,402 km (0.096 R)
• M31: 48,294,980 km (0.108 R)
• M32: 50,015,655 km (0.117 R)
• M33: 56,171,008 km (0.113 R)
• M34: 58,265,528 km (0.074 R)
• M35: 60,214,489 km (0.066 R)
• M36: 61,604,104 km (0.077 R)
• M37: 64,653,956 km (0.076 R)
• M38: 68,230,242 km (0.034 R)
• M39: 75,774,014 km (0.077 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 940.1

Radius: 6.9

Gravity: 19.75 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 12.73 AU - 16.83 AU

Year: 20754 Days

Day: 21.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 146.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 86,668,753 km

• M1: 88,712 km (0.083 R)
• M2: 378,034 km (0.078 R)
• M3: 670,348 km (0.059 R)
• M4: 922,570 km (0.102 R)
• M5: 1,625,231 km (0.041 R)
• M6: 1,886,429 km (0.119 R)
• M7: 2,518,331 km (0.044 R)
• M8: 2,792,095 km (0.104 R)
• M9: 3,030,703 km (0.074 R)
• M10: 3,370,141 km (0.111 R)
• M11: 4,261,595 km (0.069 R)
• M12: 4,579,041 km (0.076 R)
• M13: 4,836,798 km (0.115 R)
• M14: 5,923,178 km (0.101 R)
• M15: 7,613,185 km (0.084 R)
• M16: 12,189,982 km (0.094 R)
• M17: 15,785,119 km (0.085 R)
• M18: 16,036,144 km (0.114 R)
• M19: 16,289,712 km (0.05 R)
• M20: 18,324,094 km (0.096 R)
• M21: 18,787,697 km (0.088 R)
• M22: 24,528,216 km (0.079 R)
• M23: 26,951,552 km (0.054 R)
• M24: 27,551,141 km (0.045 R)
• M25: 28,282,525 km (0.083 R)
• M26: 31,337,463 km (0.076 R)
• M27: 42,451,238 km (0.118 R)
• M28: 43,099,595 km (0.097 R)
• M29: 46,612,752 km (0.107 R)
• M30: 47,302,847 km (0.072 R)
• M31: 48,703,532 km (0.064 R)
• M32: 49,414,121 km (0.113 R)
• M33: 58,888,753 km (0.063 R)
• M34: 60,918,647 km (0.079 R)
• M35: 64,475,635 km (0.108 R)
• M36: 68,612,166 km (0.042 R)
• M37: 69,504,966 km (0.081 R)
• M38: 81,079,054 km (0.05 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 454 - 13,024 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit