🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.1 AU - 1.56 AU

Year: 581 Days

Day: 40.4 Hours

Environment

Temp: -43 °C

Axial Tilt: 25.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.99

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.89 AU - 3.51 AU

Year: 2168 Days

Day: 42.7 Hours

Environment

Temp: -112 °C

Axial Tilt: 25.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.35 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.8

Radius: 8.7

Gravity: 10.91 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 7.01 AU - 7.97 AU

Year: 7764 Days

Day: 12 Hours

Environment

Temp: -169 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 113,762,811 km

• M1: 108,458 km (0.087 R)
• M2: 478,564 km (0.071 R)
• M3: 763,847 km (0.053 R)
• M4: 1,051,823 km (0.099 R)
• M5: 1,709,754 km (0.112 R)
• M6: 2,198,490 km (0.083 R)
• M7: 2,677,652 km (0.078 R)
• M8: 2,963,683 km (0.108 R)
• M9: 3,573,744 km (0.047 R)
• M10: 4,025,230 km (0.116 R)
• M11: 5,196,432 km (0.113 R)
• M12: 5,546,042 km (0.12 R)
• M13: 6,328,289 km (0.118 R)
• M14: 6,653,664 km (0.105 R)
• M15: 6,952,262 km (0.093 R)
• M16: 9,254,423 km (0.102 R)
• M17: 13,328,123 km (0.05 R)
• M18: 14,167,816 km (0.113 R)
• M19: 16,421,209 km (0.109 R)
• M20: 18,170,008 km (0.096 R)
• M21: 19,503,822 km (0.085 R)
• M22: 19,962,489 km (0.119 R)
• M23: 20,664,103 km (0.103 R)
• M24: 23,036,875 km (0.119 R)
• M25: 23,808,800 km (0.036 R)
• M26: 30,004,546 km (0.107 R)
• M27: 32,287,409 km (0.108 R)
• M28: 33,145,503 km (0.105 R)
• M29: 33,798,946 km (0.119 R)

Planet 4 - Ice Giant

Semi-Major Axis: 12.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 418.7

Radius: 7

Gravity: 8.54 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 12.2 AU - 13.44 AU

Year: 17385 Days

Day: 22.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 113,762,811 km

• M1: 87,664 km (0.108 R)
• M2: 350,807 km (0.097 R)
• M3: 747,092 km (0.091 R)
• M4: 972,087 km (0.108 R)
• M5: 1,255,874 km (0.112 R)
• M6: 1,534,276 km (0.098 R)
• M7: 2,066,096 km (0.03 R)
• M8: 2,436,351 km (0.112 R)
• M9: 3,258,990 km (0.108 R)
• M10: 3,930,834 km (0.067 R)
• M11: 4,691,539 km (0.055 R)
• M12: 5,021,851 km (0.071 R)
• M13: 5,546,491 km (0.115 R)
• M14: 6,223,421 km (0.088 R)
• M15: 6,996,393 km (0.113 R)
• M16: 8,062,128 km (0.066 R)
• M17: 10,963,130 km (0.098 R)
• M18: 13,681,174 km (0.109 R)
• M19: 14,771,892 km (0.096 R)
• M20: 17,671,398 km (0.055 R)
• M21: 19,802,270 km (0.118 R)
• M22: 23,885,245 km (0.092 R)
• M23: 29,707,145 km (0.119 R)
• M24: 30,382,131 km (0.094 R)
• M25: 35,899,599 km (0.067 R)
• M26: 39,027,242 km (0.05 R)
• M27: 41,071,497 km (0.039 R)
• M28: 42,473,379 km (0.081 R)
• M29: 44,635,517 km (0.075 R)
• M30: 47,478,175 km (0.086 R)
• M31: 48,400,446 km (0.116 R)
• M32: 50,122,019 km (0.091 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 423.1

Radius: 7.6

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 13.17 AU - 16.17 AU

Year: 21281 Days

Day: 22.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 171.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 113,762,811 km

• M1: 95,294 km (0.086 R)
• M2: 1,497,175 km (0.098 R)
• M3: 1,915,451 km (0.054 R)
• M4: 3,510,763 km (0.088 R)
• M5: 4,219,558 km (0.108 R)
• M6: 4,776,810 km (0.059 R)
• M7: 6,659,200 km (0.069 R)
• M8: 8,029,217 km (0.025 R)
• M9: 8,884,019 km (0.092 R)
• M10: 9,306,633 km (0.118 R)
• M11: 13,117,788 km (0.061 R)
• M12: 14,372,915 km (0.075 R)
• M13: 15,252,849 km (0.081 R)
• M14: 24,850,301 km (0.091 R)
• M15: 26,331,170 km (0.094 R)
• M16: 28,889,892 km (0.081 R)
• M17: 31,976,994 km (0.08 R)
• M18: 44,353,225 km (0.112 R)
• M19: 50,583,528 km (0.039 R)
• M20: 65,932,120 km (0.054 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 724.2

Radius: 4.2

Gravity: 41.05 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 18.01 AU - 18.67 AU

Year: 29747 Days

Day: 17 Hours

Environment

Temp: -200 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 113,762,811 km

• M1: 52,210 km (0.094 R)
• M2: 295,157 km (0.102 R)
• M3: 435,479 km (0.072 R)
• M4: 712,385 km (0.118 R)
• M5: 1,555,070 km (0.057 R)
• M6: 2,438,595 km (0.114 R)
• M7: 2,860,461 km (0.044 R)
• M8: 5,723,615 km (0.117 R)
• M9: 7,966,835 km (0.078 R)
• M10: 8,769,128 km (0.118 R)
• M11: 9,068,324 km (0.057 R)
• M12: 9,436,334 km (0.114 R)
• M13: 10,071,527 km (0.111 R)
• M14: 11,077,274 km (0.115 R)
• M15: 12,975,970 km (0.111 R)
• M16: 15,771,954 km (0.105 R)
• M17: 17,403,019 km (0.025 R)
• M18: 18,162,827 km (0.079 R)
• M19: 20,158,612 km (0.114 R)
• M20: 22,295,917 km (0.098 R)
• M21: 24,461,795 km (0.075 R)
• M22: 28,419,706 km (0.108 R)
• M23: 33,503,640 km (0.105 R)
• M24: 34,087,072 km (0.055 R)
• M25: 41,124,754 km (0.071 R)
• M26: 44,892,675 km (0.085 R)
• M27: 45,069,201 km (0.073 R)
• M28: 46,860,187 km (0.116 R)
• M29: 47,041,798 km (0.093 R)
• M30: 57,564,513 km (0.063 R)
• M31: 63,591,063 km (0.111 R)
• M32: 65,387,135 km (0.063 R)
• M33: 67,679,273 km (0.087 R)
• M34: 71,457,368 km (0.102 R)
• M35: 78,403,047 km (0.08 R)
• M36: 78,659,009 km (0.118 R)
• M37: 83,630,446 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 990.5

Radius: 4.6

Gravity: 46.81 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 18.61 AU - 18.61 AU

Year: 30407 Days

Day: 21.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 113,762,811 km

• M1: 57,446 km (0.109 R)
• M2: 362,625 km (0.119 R)
• M3: 980,614 km (0.099 R)
• M4: 1,235,230 km (0.116 R)
• M5: 2,580,114 km (0.111 R)
• M6: 4,106,462 km (0.108 R)
• M7: 6,053,328 km (0.108 R)
• M8: 6,247,357 km (0.119 R)
• M9: 7,064,909 km (0.03 R)
• M10: 9,809,282 km (0.084 R)
• M11: 11,124,846 km (0.095 R)
• M12: 11,342,810 km (0.112 R)
• M13: 12,320,432 km (0.076 R)
• M14: 13,599,045 km (0.12 R)
• M15: 15,051,790 km (0.102 R)
• M16: 16,230,322 km (0.066 R)
• M17: 16,416,870 km (0.117 R)
• M18: 19,495,595 km (0.103 R)
• M19: 24,987,931 km (0.093 R)
• M20: 37,086,659 km (0.096 R)
• M21: 51,564,142 km (0.115 R)
• M22: 53,190,570 km (0.03 R)
• M23: 55,060,843 km (0.091 R)
• M24: 56,118,500 km (0.112 R)
• M25: 59,152,045 km (0.101 R)
• M26: 61,384,644 km (0.107 R)
• M27: 65,543,764 km (0.051 R)
• M28: 77,544,355 km (0.096 R)
• M29: 84,897,839 km (0.114 R)
• M30: 98,782,167 km (0.12 R)
• M31: 102,873,369 km (0.103 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: 237 - 16,425 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit