🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.61 AU - 0.85 AU

Year: 220 Days

Day: 14 Hours

Environment

Temp: 192 °C

Axial Tilt: 11.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 97,857,979 km

• M1: 320,139 km (0.095 R)
• M2: 454,478 km (0.116 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.49 AU - 3.41 AU

Year: 1789 Days

Day: 30.2 Hours

Environment

Temp: -98 °C

Axial Tilt: 34.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 97,857,979 km

• M1: 1,510,041 km (0.082 R)

Asteroid Belt

Center: 4.99 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.6

Radius: 14

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 6.97 AU - 7.09 AU

Year: 6582 Days

Day: 14 Hours

Environment

Temp: -147 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 97,857,979 km

• M1: 174,132 km (0.118 R)
• M2: 1,401,582 km (0.12 R)
• M3: 3,064,363 km (0.055 R)
• M4: 6,132,765 km (0.106 R)
• M5: 6,612,226 km (0.101 R)
• M6: 10,124,784 km (0.088 R)
• M7: 11,690,774 km (0.106 R)
• M8: 17,293,215 km (0.104 R)
• M9: 20,284,424 km (0.092 R)
• M10: 20,778,995 km (0.09 R)
• M11: 22,460,624 km (0.105 R)
• M12: 25,763,147 km (0.079 R)
• M13: 26,594,761 km (0.037 R)
• M14: 30,376,446 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 11.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.6

Radius: 9.7

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 9.81 AU - 12.33 AU

Year: 13005 Days

Day: 6.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 97,857,979 km

• M1: 265,087 km (0.085 R)
• M2: 622,626 km (0.096 R)
• M3: 1,072,766 km (0.091 R)
• M4: 4,049,166 km (0.072 R)
• M5: 4,654,139 km (0.118 R)
• M6: 6,120,198 km (0.085 R)
• M7: 7,042,769 km (0.111 R)
• M8: 8,429,391 km (0.097 R)
• M9: 9,212,536 km (0.098 R)
• M10: 11,208,471 km (0.079 R)
• M11: 14,892,468 km (0.058 R)
• M12: 15,243,574 km (0.07 R)
• M13: 18,983,521 km (0.097 R)
• M14: 22,274,824 km (0.113 R)
• M15: 27,790,647 km (0.073 R)
• M16: 28,538,487 km (0.117 R)
• M17: 32,128,835 km (0.109 R)
• M18: 32,952,521 km (0.082 R)
• M19: 35,633,016 km (0.096 R)
• M20: 36,898,315 km (0.089 R)
• M21: 37,801,587 km (0.07 R)
• M22: 42,540,249 km (0.109 R)
• M23: 42,964,060 km (0.058 R)
• M24: 43,819,909 km (0.103 R)
• M25: 48,577,720 km (0.074 R)
• M26: 52,688,370 km (0.06 R)
• M27: 54,995,169 km (0.101 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 559.8

Radius: 4.4

Gravity: 28.92 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 11.26 AU - 15.12 AU

Year: 16915 Days

Day: 21 Hours

Environment

Temp: -185 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 97,857,979 km

• M1: 58,792 km (0.099 R)
• M2: 236,664 km (0.1 R)
• M3: 463,753 km (0.112 R)
• M4: 731,534 km (0.044 R)
• M5: 922,570 km (0.038 R)
• M6: 1,480,271 km (0.085 R)
• M7: 2,003,863 km (0.107 R)
• M8: 2,946,928 km (0.096 R)
• M9: 3,196,757 km (0.079 R)
• M10: 3,406,792 km (0.058 R)
• M11: 4,246,186 km (0.048 R)
• M12: 4,500,054 km (0.089 R)
• M13: 4,968,893 km (0.08 R)
• M14: 5,924,674 km (0.12 R)
• M15: 6,322,904 km (0.1 R)
• M16: 10,688,169 km (0.111 R)
• M17: 11,888,543 km (0.119 R)
• M18: 12,202,100 km (0.102 R)
• M19: 12,845,820 km (0.116 R)
• M20: 16,953,328 km (0.101 R)
• M21: 17,672,894 km (0.048 R)
• M22: 17,917,187 km (0.068 R)
• M23: 20,755,358 km (0.097 R)
• M24: 21,209,986 km (0.117 R)
• M25: 27,086,340 km (0.07 R)
• M26: 27,411,117 km (0.074 R)
• M27: 28,961,250 km (0.062 R)
• M28: 29,300,987 km (0.098 R)
• M29: 29,872,900 km (0.079 R)
• M30: 31,513,839 km (0.117 R)
• M31: 33,710,833 km (0.112 R)
• M32: 33,960,961 km (0.085 R)
• M33: 35,617,757 km (0.069 R)
• M34: 36,400,303 km (0.068 R)
• M35: 47,014,123 km (0.084 R)
• M36: 51,846,134 km (0.117 R)
• M37: 55,244,998 km (0.088 R)
• M38: 58,428,291 km (0.089 R)
• M39: 59,516,017 km (0.083 R)
• M40: 63,429,198 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 763.7

Radius: 4.5

Gravity: 37.71 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 14.29 AU - 14.57 AU

Year: 19355 Days

Day: 16 Hours

Environment

Temp: -186 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 97,857,979 km

• M1: 57,894 km (0.061 R)
• M2: 225,444 km (0.111 R)
• M3: 462,257 km (0.102 R)
• M4: 682,316 km (0.114 R)
• M5: 877,242 km (0.06 R)
• M6: 1,019,210 km (0.113 R)
• M7: 1,246,749 km (0.114 R)
• M8: 1,540,708 km (0.095 R)
• M9: 2,244,566 km (0.101 R)
• M10: 2,513,095 km (0.082 R)
• M11: 3,565,665 km (0.091 R)
• M12: 5,294,867 km (0.118 R)
• M13: 5,649,264 km (0.107 R)
• M14: 6,188,864 km (0.116 R)
• M15: 7,179,202 km (0.112 R)
• M16: 8,375,237 km (0.112 R)
• M17: 8,965,400 km (0.088 R)
• M18: 9,355,103 km (0.07 R)
• M19: 9,756,025 km (0.119 R)
• M20: 12,067,761 km (0.089 R)
• M21: 15,817,880 km (0.064 R)
• M22: 20,182,249 km (0.106 R)
• M23: 20,562,527 km (0.096 R)
• M24: 21,142,069 km (0.114 R)
• M25: 24,417,364 km (0.104 R)
• M26: 25,839,292 km (0.099 R)
• M27: 27,084,844 km (0.06 R)
• M28: 31,695,301 km (0.118 R)
• M29: 33,121,417 km (0.108 R)
• M30: 34,725,406 km (0.118 R)
• M31: 38,668,058 km (0.059 R)
• M32: 39,107,277 km (0.081 R)
• M33: 45,449,479 km (0.052 R)
• M34: 50,675,830 km (0.09 R)
• M35: 51,026,039 km (0.093 R)
• M36: 66,609,649 km (0.034 R)
• M37: 72,656,395 km (0.098 R)
• M38: 73,325,247 km (0.082 R)
• M39: 74,448,876 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 20.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 557.2

Radius: 3.8

Gravity: 38.59 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 17.82 AU - 22.82 AU

Year: 32343 Days

Day: 15.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 97,857,979 km

• M1: 51,162 km (0.039 R)
• M2: 188,344 km (0.115 R)
• M3: 841,488 km (0.06 R)
• M4: 1,539,212 km (0.055 R)
• M5: 2,103,645 km (0.077 R)
• M6: 3,498,795 km (0.09 R)
• M7: 5,804,846 km (0.036 R)
• M8: 7,038,131 km (0.078 R)
• M9: 8,266,030 km (0.119 R)
• M10: 8,960,314 km (0.043 R)
• M11: 10,332,426 km (0.117 R)
• M12: 15,363,552 km (0.098 R)
• M13: 19,329,391 km (0.061 R)
• M14: 19,830,694 km (0.059 R)
• M15: 20,963,748 km (0.078 R)
• M16: 22,467,506 km (0.077 R)
• M17: 26,293,471 km (0.084 R)
• M18: 30,666,666 km (0.076 R)
• M19: 39,522,112 km (0.106 R)
• M20: 40,491,356 km (0.112 R)
• M21: 51,261,655 km (0.099 R)
• M22: 56,582,851 km (0.075 R)
• M23: 57,401,152 km (0.042 R)
• M24: 57,813,294 km (0.08 R)
• M25: 60,327,585 km (0.113 R)
• M26: 66,930,087 km (0.098 R)
• M27: 73,269,596 km (0.085 R)
• M28: 76,211,289 km (0.108 R)
• M29: 81,287,294 km (0.042 R)
• M30: 82,328,795 km (0.073 R)
• M31: 90,704,031 km (0.1 R)

Kuiper Belt

Range: 31.1 - 46.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 407 - 14,385 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit