🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.94 AU - 1.16 AU

Year: 408 Days

Day: 44.9 Hours

Environment

Temp: 1 °C

Axial Tilt: 23.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 91,343,002 km

• M1: 141,071 km (0.114 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.08 AU - 1.18 AU

Year: 455 Days

Day: 34.1 Hours

Environment

Temp: -11 °C

Axial Tilt: 34.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 91,343,002 km

• M1: 81,830 km (0.069 R)
• M2: 175,628 km (0.098 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 3.3 AU - 3.34 AU

Year: 2291 Days

Day: 42 Hours

Environment

Temp: -115 °C

Axial Tilt: 8.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 91,343,002 km

• M1: 64,925 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.3

Radius: 11.9

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.23 AU - 5.31 AU

Year: 3342 Days

Day: 14.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 91,343,002 km

• M1: 147,952 km (0.041 R)
• M2: 630,854 km (0.087 R)
• M3: 1,030,580 km (0.082 R)
• M4: 1,487,751 km (0.088 R)
• M5: 2,053,829 km (0.063 R)
• M6: 2,728,067 km (0.076 R)
• M7: 3,207,528 km (0.085 R)
• M8: 3,623,260 km (0.083 R)
• M9: 4,075,196 km (0.118 R)
• M10: 5,068,226 km (0.116 R)
• M11: 6,595,172 km (0.054 R)
• M12: 7,400,158 km (0.067 R)
• M13: 8,304,327 km (0.045 R)
• M14: 9,933,598 km (0.102 R)
• M15: 11,899,314 km (0.105 R)
• M16: 15,767,466 km (0.1 R)
• M17: 16,420,610 km (0.102 R)
• M18: 19,153,165 km (0.105 R)
• M19: 21,573,958 km (0.069 R)
• M20: 22,926,771 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.4

Radius: 11.4

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 4.63 AU - 6.51 AU

Year: 4979 Days

Day: 5.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 91,343,002 km

• M1: 141,819 km (0.09 R)
• M2: 609,462 km (0.102 R)
• M3: 1,048,531 km (0.083 R)
• M4: 1,726,808 km (0.066 R)
• M5: 2,166,028 km (0.06 R)
• M6: 2,573,981 km (0.104 R)
• M7: 3,547,714 km (0.106 R)
• M8: 6,210,107 km (0.117 R)
• M9: 6,870,432 km (0.11 R)
• M10: 8,527,378 km (0.106 R)
• M11: 9,093,456 km (0.108 R)
• M12: 9,641,433 km (0.096 R)
• M13: 12,718,362 km (0.096 R)
• M14: 13,297,007 km (0.071 R)
• M15: 13,783,499 km (0.049 R)
• M16: 14,849,683 km (0.072 R)
• M17: 15,789,457 km (0.114 R)
• M18: 19,050,541 km (0.084 R)
• M19: 21,238,410 km (0.077 R)
• M20: 21,903,821 km (0.075 R)
• M21: 22,735,884 km (0.076 R)
• M22: 26,615,256 km (0.094 R)
• M23: 27,562,660 km (0.086 R)
• M24: 30,540,106 km (0.115 R)
• M25: 31,578,465 km (0.111 R)
• M26: 32,737,848 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.1

Radius: 8

Gravity: 13.92 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 8.85 AU - 12.05 AU

Year: 12794 Days

Day: 12 Hours

Environment

Temp: -173 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 91,343,002 km

• M1: 99,483 km (0.106 R)
• M2: 702,811 km (0.095 R)
• M3: 1,016,069 km (0.056 R)
• M4: 1,352,215 km (0.071 R)
• M5: 1,648,120 km (0.081 R)
• M6: 2,252,346 km (0.112 R)
• M7: 2,716,697 km (0.112 R)
• M8: 3,118,068 km (0.083 R)
• M9: 3,922,905 km (0.058 R)
• M10: 4,563,932 km (0.048 R)
• M11: 4,994,624 km (0.098 R)
• M12: 5,747,401 km (0.071 R)
• M13: 6,410,418 km (0.118 R)
• M14: 6,781,571 km (0.077 R)
• M15: 8,170,886 km (0.115 R)
• M16: 8,706,746 km (0.076 R)
• M17: 9,794,322 km (0.118 R)
• M18: 10,287,247 km (0.084 R)
• M19: 11,561,671 km (0.083 R)
• M20: 13,464,856 km (0.107 R)
• M21: 14,702,180 km (0.114 R)
• M22: 21,399,078 km (0.114 R)
• M23: 27,989,163 km (0.108 R)
• M24: 30,455,284 km (0.086 R)
• M25: 31,269,396 km (0.071 R)
• M26: 32,941,002 km (0.116 R)
• M27: 34,046,531 km (0.117 R)
• M28: 35,176,593 km (0.085 R)
• M29: 37,910,344 km (0.12 R)
• M30: 38,312,164 km (0.079 R)
• M31: 41,487,229 km (0.064 R)
• M32: 47,264,849 km (0.103 R)
• M33: 52,057,815 km (0.09 R)
• M34: 55,944,667 km (0.115 R)
• M35: 56,291,584 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 212.8

Radius: 4.9

Gravity: 8.86 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 10.94 AU - 13.86 AU

Year: 16538 Days

Day: 18.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 91,343,002 km

• M1: 61,036 km (0.057 R)
• M2: 272,119 km (0.099 R)
• M3: 570,566 km (0.034 R)
• M4: 1,045,540 km (0.073 R)
• M5: 1,201,420 km (0.098 R)
• M6: 1,560,605 km (0.093 R)
• M7: 1,988,156 km (0.112 R)
• M8: 2,432,761 km (0.112 R)
• M9: 2,855,075 km (0.074 R)
• M10: 3,419,957 km (0.061 R)
• M11: 4,110,351 km (0.101 R)
• M12: 5,830,876 km (0.065 R)
• M13: 6,849,039 km (0.093 R)
• M14: 10,453,450 km (0.098 R)
• M15: 10,866,341 km (0.093 R)
• M16: 12,397,325 km (0.063 R)
• M17: 12,569,512 km (0.029 R)
• M18: 14,066,688 km (0.113 R)
• M19: 16,219,551 km (0.093 R)
• M20: 17,409,901 km (0.105 R)
• M21: 21,083,576 km (0.065 R)
• M22: 21,742,255 km (0.085 R)
• M23: 23,013,987 km (0.1 R)
• M24: 23,187,221 km (0.119 R)
• M25: 24,334,487 km (0.107 R)
• M26: 26,456,084 km (0.083 R)
• M27: 45,399,214 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 768.7

Radius: 6.1

Gravity: 20.66 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 15.66 AU - 16.86 AU

Year: 24833 Days

Day: 16 Hours

Environment

Temp: -207 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 91,343,002 km

• M1: 75,846 km (0.079 R)
• M2: 711,787 km (0.052 R)
• M3: 995,574 km (0.088 R)
• M4: 1,973,944 km (0.059 R)
• M5: 2,665,385 km (0.101 R)
• M6: 2,928,528 km (0.057 R)
• M7: 3,151,429 km (0.081 R)
• M8: 3,568,956 km (0.086 R)
• M9: 3,889,245 km (0.079 R)
• M10: 4,369,604 km (0.035 R)
• M11: 5,203,463 km (0.083 R)
• M12: 5,743,511 km (0.103 R)
• M13: 8,282,187 km (0.11 R)
• M14: 8,616,389 km (0.053 R)
• M15: 9,612,112 km (0.045 R)
• M16: 12,542,136 km (0.044 R)
• M17: 12,908,800 km (0.09 R)
• M18: 15,932,772 km (0.039 R)
• M19: 18,160,882 km (0.061 R)
• M20: 19,987,323 km (0.075 R)
• M21: 23,114,965 km (0.111 R)
• M22: 25,958,671 km (0.114 R)
• M23: 27,280,518 km (0.067 R)
• M24: 30,979,774 km (0.089 R)
• M25: 32,603,510 km (0.028 R)
• M26: 39,198,532 km (0.049 R)
• M27: 39,824,449 km (0.04 R)
• M28: 42,889,111 km (0.095 R)
• M29: 43,220,470 km (0.064 R)
• M30: 43,888,575 km (0.101 R)
• M31: 53,019,281 km (0.119 R)
• M32: 56,125,232 km (0.096 R)
• M33: 62,271,909 km (0.112 R)
• M34: 69,534,586 km (0.108 R)
• M35: 73,961,935 km (0.086 R)
• M36: 81,582,600 km (0.117 R)
• M37: 82,091,383 km (0.115 R)
• M38: 83,372,988 km (0.114 R)
• M39: 87,563,224 km (0.103 R)
• M40: 88,364,171 km (0.092 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 151 - 19,050 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit