🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.74 AU - 0.84 AU

Year: 245 Days

Day: 25 Hours

Environment

Temp: 188 °C

Axial Tilt: 67.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.69 AU - 2.25 AU

Year: 963 Days

Day: 40.5 Hours

Environment

Temp: -49 °C

Axial Tilt: 24.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.85 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.7

Radius: 8.8

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 5.21 AU - 6.23 AU

Year: 4764 Days

Day: 5.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 86,513,090 km

• M1: 109,506 km (0.076 R)
• M2: 606,769 km (0.114 R)
• M3: 1,457,682 km (0.046 R)
• M4: 2,154,509 km (0.11 R)
• M5: 2,632,474 km (0.091 R)
• M6: 3,434,019 km (0.074 R)
• M7: 5,184,165 km (0.102 R)
• M8: 7,366,349 km (0.075 R)
• M9: 8,417,124 km (0.081 R)
• M10: 10,293,829 km (0.102 R)
• M11: 10,651,817 km (0.093 R)
• M12: 19,801,971 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.8

Radius: 11.3

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 5.12 AU - 8.22 AU

Year: 5999 Days

Day: 7.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 86,513,090 km

• M1: 140,921 km (0.05 R)
• M2: 627,862 km (0.069 R)
• M3: 1,099,544 km (0.077 R)
• M4: 1,906,176 km (0.109 R)
• M5: 2,518,779 km (0.052 R)
• M6: 2,911,324 km (0.113 R)
• M7: 4,474,024 km (0.076 R)
• M8: 5,590,772 km (0.096 R)
• M9: 8,048,066 km (0.106 R)
• M10: 8,573,304 km (0.12 R)
• M11: 9,338,198 km (0.096 R)
• M12: 12,590,157 km (0.072 R)
• M13: 14,149,266 km (0.119 R)
• M14: 14,915,357 km (0.079 R)
• M15: 19,524,168 km (0.089 R)
• M16: 22,464,813 km (0.077 R)
• M17: 23,999,238 km (0.111 R)
• M18: 28,185,436 km (0.08 R)
• M19: 30,450,647 km (0.067 R)
• M20: 31,133,561 km (0.09 R)
• M21: 32,126,741 km (0.043 R)
• M22: 32,732,762 km (0.052 R)
• M23: 34,596,752 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.6

Radius: 13.8

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 7.19 AU - 7.95 AU

Year: 7253 Days

Day: 12.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 86,513,090 km

• M1: 173,234 km (0.118 R)
• M2: 650,601 km (0.108 R)
• M3: 1,137,393 km (0.087 R)
• M4: 1,632,861 km (0.109 R)
• M5: 2,424,533 km (0.068 R)
• M6: 3,079,921 km (0.068 R)
• M7: 3,959,257 km (0.095 R)
• M8: 4,458,615 km (0.09 R)
• M9: 5,421,277 km (0.077 R)
• M10: 6,245,711 km (0.115 R)
• M11: 6,925,783 km (0.071 R)
• M12: 7,862,266 km (0.082 R)
• M13: 8,957,771 km (0.115 R)
• M14: 10,702,232 km (0.116 R)
• M15: 20,772,712 km (0.114 R)
• M16: 25,158,472 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.6

Radius: 14.8

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 6.9 AU - 9.98 AU

Year: 8539 Days

Day: 7.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 82.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 86,513,090 km

• M1: 184,155 km (0.108 R)
• M2: 819,198 km (0.083 R)
• M3: 1,541,606 km (0.085 R)
• M4: 2,066,695 km (0.089 R)
• M5: 3,028,459 km (0.048 R)
• M6: 3,637,771 km (0.092 R)
• M7: 7,459,997 km (0.08 R)
• M8: 8,807,425 km (0.074 R)
• M9: 9,661,180 km (0.068 R)
• M10: 11,868,646 km (0.108 R)
• M11: 14,717,738 km (0.109 R)
• M12: 15,178,050 km (0.104 R)
• M13: 16,127,548 km (0.055 R)
• M14: 17,406,311 km (0.091 R)
• M15: 17,995,876 km (0.091 R)
• M16: 18,828,238 km (0.041 R)
• M17: 20,815,796 km (0.096 R)
• M18: 21,817,952 km (0.055 R)
• M19: 23,918,605 km (0.108 R)
• M20: 33,339,681 km (0.084 R)
• M21: 34,480,215 km (0.07 R)
• M22: 36,718,797 km (0.079 R)
• M23: 37,935,178 km (0.077 R)
• M24: 38,429,150 km (0.065 R)
• M25: 41,093,488 km (0.083 R)
• M26: 46,224,096 km (0.095 R)
• M27: 48,073,126 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.4

Radius: 9.8

Gravity: 9.28 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 9.96 AU - 11.4 AU

Year: 12155 Days

Day: 10.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 86,513,090 km

• M1: 121,922 km (0.113 R)
• M2: 463,005 km (0.119 R)
• M3: 903,721 km (0.112 R)
• M4: 1,413,700 km (0.098 R)
• M5: 1,826,141 km (0.104 R)
• M6: 3,787,668 km (0.105 R)
• M7: 4,465,945 km (0.093 R)
• M8: 4,851,010 km (0.115 R)
• M9: 5,761,762 km (0.117 R)
• M10: 8,012,013 km (0.067 R)
• M11: 9,077,748 km (0.118 R)
• M12: 13,358,940 km (0.084 R)
• M13: 14,783,262 km (0.114 R)
• M14: 16,532,061 km (0.116 R)
• M15: 18,741,920 km (0.107 R)
• M16: 19,661,648 km (0.084 R)
• M17: 24,617,676 km (0.111 R)
• M18: 25,517,358 km (0.025 R)
• M19: 30,234,478 km (0.104 R)
• M20: 32,797,538 km (0.116 R)
• M21: 34,502,056 km (0.117 R)
• M22: 40,242,874 km (0.095 R)
• M23: 42,621,481 km (0.116 R)
• M24: 47,503,607 km (0.075 R)
• M25: 49,210,519 km (0.081 R)
• M26: 51,765,650 km (0.074 R)
• M27: 55,251,580 km (0.109 R)
• M28: 55,762,158 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 479.6

Radius: 3.6

Gravity: 37.01 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 16.03 AU - 22.09 AU

Year: 28979 Days

Day: 21.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 86,513,090 km

• M1: 49,517 km (0.076 R)
• M2: 205,697 km (0.053 R)
• M3: 385,813 km (0.114 R)
• M4: 736,470 km (0.094 R)
• M5: 1,083,238 km (0.094 R)
• M6: 1,942,977 km (0.073 R)
• M7: 2,474,050 km (0.064 R)
• M8: 3,816,092 km (0.116 R)
• M9: 4,012,215 km (0.091 R)
• M10: 4,604,622 km (0.08 R)
• M11: 5,662,130 km (0.094 R)
• M12: 6,314,676 km (0.117 R)
• M13: 6,682,537 km (0.106 R)
• M14: 7,113,229 km (0.053 R)
• M15: 7,715,959 km (0.062 R)
• M16: 9,079,544 km (0.044 R)
• M17: 11,786,816 km (0.108 R)
• M18: 13,584,983 km (0.115 R)
• M19: 15,806,511 km (0.092 R)
• M20: 16,312,301 km (0.111 R)
• M21: 19,287,803 km (0.117 R)
• M22: 21,872,555 km (0.077 R)
• M23: 26,994,038 km (0.06 R)
• M24: 28,698,108 km (0.077 R)
• M25: 44,150,670 km (0.097 R)
• M26: 45,320,226 km (0.119 R)
• M27: 48,952,014 km (0.047 R)
• M28: 50,204,447 km (0.043 R)
• M29: 52,773,192 km (0.075 R)
• M30: 54,469,931 km (0.111 R)
• M31: 69,148,474 km (0.113 R)
• M32: 84,454,431 km (0.109 R)

Kuiper Belt

Range: 31.5 - 46.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 191 - 12,800 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit