🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.76 AU - 0.92 AU

Year: 327 Days

Day: 38.5 Hours

Environment

Temp: -27 °C

Axial Tilt: 15.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,855,829 km

• M1: 295,755 km (0.047 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.31 AU - 1.79 AU

Year: 819 Days

Day: 41.3 Hours

Environment

Temp: -89 °C

Axial Tilt: 14.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.6 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.9

Radius: 8.4

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.88 AU - 4.42 AU

Year: 2961 Days

Day: 6.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,855,829 km

• M1: 104,419 km (0.119 R)
• M2: 456,573 km (0.079 R)
• M3: 796,609 km (0.116 R)
• M4: 1,122,433 km (0.083 R)
• M5: 1,594,713 km (0.115 R)
• M6: 3,782,582 km (0.119 R)
• M7: 4,110,650 km (0.069 R)
• M8: 5,210,943 km (0.079 R)
• M9: 5,997,528 km (0.096 R)
• M10: 6,318,565 km (0.044 R)
• M11: 6,755,541 km (0.108 R)
• M12: 7,632,633 km (0.078 R)
• M13: 8,218,309 km (0.071 R)
• M14: 8,928,450 km (0.093 R)
• M15: 9,413,147 km (0.118 R)
• M16: 10,052,229 km (0.063 R)
• M17: 10,683,981 km (0.11 R)
• M18: 11,304,662 km (0.05 R)
• M19: 11,910,683 km (0.049 R)
• M20: 13,646,617 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.6

Radius: 10.8

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 4.12 AU - 4.62 AU

Year: 3879 Days

Day: 6 Hours

Environment

Temp: -163 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 66,855,829 km

• M1: 134,339 km (0.094 R)
• M2: 638,484 km (0.105 R)
• M3: 1,008,738 km (0.113 R)
• M4: 1,728,005 km (0.113 R)
• M5: 2,446,823 km (0.103 R)
• M6: 3,179,852 km (0.11 R)
• M7: 5,457,630 km (0.099 R)
• M8: 6,060,210 km (0.067 R)
• M9: 6,899,753 km (0.114 R)
• M10: 7,709,377 km (0.097 R)
• M11: 9,119,486 km (0.1 R)
• M12: 9,680,029 km (0.075 R)
• M13: 10,738,135 km (0.115 R)
• M14: 11,685,239 km (0.077 R)
• M15: 12,933,783 km (0.069 R)
• M16: 16,036,443 km (0.078 R)
• M17: 16,735,364 km (0.119 R)
• M18: 19,934,365 km (0.062 R)
• M19: 20,879,225 km (0.074 R)
• M20: 23,004,113 km (0.118 R)
• M21: 23,668,777 km (0.101 R)
• M22: 24,270,160 km (0.047 R)
• M23: 25,818,648 km (0.071 R)
• M24: 27,185,673 km (0.075 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 817.4

Radius: 3.6

Gravity: 63.07 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 11.5 AU - 14.06 AU

Year: 19399 Days

Day: 20.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 66,855,829 km

• M1: 55,202 km (0.113 R)
• M2: 356,492 km (0.119 R)
• M3: 686,505 km (0.106 R)
• M4: 852,409 km (0.058 R)
• M5: 1,137,393 km (0.105 R)
• M6: 1,294,620 km (0.062 R)
• M7: 2,331,632 km (0.109 R)
• M8: 3,096,676 km (0.06 R)
• M9: 3,762,985 km (0.08 R)
• M10: 4,212,526 km (0.116 R)
• M11: 4,805,532 km (0.118 R)
• M12: 6,372,570 km (0.116 R)
• M13: 10,590,482 km (0.082 R)
• M14: 12,351,997 km (0.106 R)
• M15: 12,628,603 km (0.065 R)
• M16: 13,266,040 km (0.079 R)
• M17: 17,201,661 km (0.06 R)
• M18: 17,459,867 km (0.098 R)
• M19: 19,901,304 km (0.03 R)
• M20: 20,185,839 km (0.118 R)
• M21: 21,549,872 km (0.113 R)
• M22: 21,950,496 km (0.058 R)
• M23: 31,554,828 km (0.078 R)
• M24: 37,985,143 km (0.115 R)
• M25: 42,358,787 km (0.092 R)
• M26: 42,672,194 km (0.051 R)
• M27: 43,941,383 km (0.063 R)
• M28: 46,555,007 km (0.092 R)
• M29: 61,587,947 km (0.082 R)
• M30: 63,207,344 km (0.096 R)
• M31: 65,062,956 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 812.9

Radius: 5.4

Gravity: 27.88 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 11.88 AU - 13.94 AU

Year: 19695 Days

Day: 18.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 66,855,829 km

• M1: 68,965 km (0.101 R)
• M2: 285,732 km (0.083 R)
• M3: 486,791 km (0.107 R)
• M4: 1,127,669 km (0.087 R)
• M5: 2,629,183 km (0.091 R)
• M6: 3,116,273 km (0.093 R)
• M7: 5,166,063 km (0.06 R)
• M8: 5,969,703 km (0.092 R)
• M9: 7,473,162 km (0.099 R)
• M10: 9,100,038 km (0.079 R)
• M11: 11,204,881 km (0.101 R)
• M12: 11,464,283 km (0.105 R)
• M13: 14,436,494 km (0.115 R)
• M14: 15,773,001 km (0.086 R)
• M15: 19,331,635 km (0.09 R)
• M16: 20,562,826 km (0.059 R)
• M17: 23,076,070 km (0.082 R)
• M18: 24,243,981 km (0.08 R)
• M19: 26,582,195 km (0.093 R)
• M20: 28,102,558 km (0.071 R)
• M21: 33,409,543 km (0.1 R)
• M22: 41,011,059 km (0.105 R)
• M23: 43,513,981 km (0.09 R)
• M24: 44,802,767 km (0.104 R)
• M25: 45,292,700 km (0.108 R)
• M26: 48,477,938 km (0.072 R)
• M27: 48,994,200 km (0.079 R)
• M28: 51,273,623 km (0.085 R)
• M29: 53,256,692 km (0.117 R)
• M30: 70,553,647 km (0.095 R)
• M31: 76,669,806 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 187.8

Radius: 7.1

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 11.31 AU - 17.51 AU

Year: 23226 Days

Day: 20.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,855,829 km

• M1: 88,263 km (0.089 R)
• M2: 1,013,825 km (0.076 R)
• M3: 2,231,252 km (0.09 R)
• M4: 2,986,572 km (0.026 R)
• M5: 5,464,810 km (0.066 R)
• M6: 8,205,443 km (0.113 R)
• M7: 10,079,605 km (0.081 R)
• M8: 10,399,595 km (0.077 R)
• M9: 10,948,021 km (0.045 R)
• M10: 12,042,778 km (0.056 R)
• M11: 15,692,218 km (0.08 R)
• M12: 22,906,576 km (0.032 R)
• M13: 28,530,708 km (0.103 R)
• M14: 37,881,173 km (0.095 R)
• M15: 41,582,972 km (0.082 R)
• M16: 42,130,650 km (0.09 R)
• M17: 45,229,869 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 341

Radius: 3

Gravity: 37.89 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 12.57 AU - 16.35 AU

Year: 23347 Days

Day: 20.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,855,829 km

• M1: 37,250 km (0.101 R)
• M2: 1,184,815 km (0.084 R)
• M3: 4,281,641 km (0.057 R)
• M4: 4,778,605 km (0.116 R)
• M5: 4,917,432 km (0.111 R)
• M6: 6,669,223 km (0.108 R)
• M7: 6,930,421 km (0.066 R)
• M8: 10,041,458 km (0.084 R)
• M9: 10,384,486 km (0.031 R)
• M10: 15,203,781 km (0.071 R)
• M11: 16,745,088 km (0.114 R)
• M12: 17,635,644 km (0.093 R)
• M13: 22,371,763 km (0.115 R)
• M14: 23,153,113 km (0.071 R)
• M15: 28,226,425 km (0.102 R)
• M16: 30,187,055 km (0.1 R)
• M17: 33,484,342 km (0.081 R)
• M18: 34,120,282 km (0.105 R)
• M19: 38,105,270 km (0.116 R)
• M20: 42,686,107 km (0.119 R)
• M21: 44,954,160 km (0.061 R)
• M22: 52,578,715 km (0.082 R)
• M23: 53,437,257 km (0.094 R)
• M24: 53,610,043 km (0.098 R)
• M25: 66,655,575 km (0.117 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 281 - 19,340 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit