🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.45 AU - 0.69 AU

Year: 154 Days

Day: 36.5 Hours

Environment

Temp: 234 °C

Axial Tilt: 17.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.18 AU - 1.36 AU

Year: 513 Days

Day: 20.7 Hours

Environment

Temp: 12 °C

Axial Tilt: 39.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 64,883,608 km

• M1: 132,843 km (0.068 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.62 AU - 1.72 AU

Year: 773 Days

Day: 34.8 Hours

Environment

Temp: -37 °C

Axial Tilt: 7.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,883,608 km

• M1: 184,005 km (0.051 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.46

Radius: 1.16

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.04 AU - 2.46 AU

Year: 1209 Days

Day: 13.3 Hours

Environment

Temp: -77 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 13.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 242.1

Radius: 4.3

Gravity: 13.09 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 12.29 AU - 14.05 AU

Year: 17118 Days

Day: 20.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,883,608 km

• M1: 53,855 km (0.115 R)
• M2: 189,241 km (0.091 R)
• M3: 401,670 km (0.105 R)
• M4: 690,245 km (0.069 R)
• M5: 1,163,123 km (0.115 R)
• M6: 1,874,611 km (0.047 R)
• M7: 3,223,984 km (0.03 R)
• M8: 5,857,953 km (0.076 R)
• M9: 6,825,552 km (0.102 R)
• M10: 7,023,171 km (0.053 R)
• M11: 7,265,370 km (0.091 R)
• M12: 8,790,670 km (0.078 R)
• M13: 10,155,003 km (0.081 R)
• M14: 10,360,849 km (0.067 R)
• M15: 12,574,599 km (0.091 R)
• M16: 13,234,475 km (0.087 R)
• M17: 15,487,718 km (0.081 R)
• M18: 17,612,157 km (0.084 R)
• M19: 19,053,682 km (0.074 R)
• M20: 19,842,961 km (0.096 R)
• M21: 21,318,445 km (0.077 R)
• M22: 24,028,111 km (0.075 R)
• M23: 36,198,197 km (0.034 R)
• M24: 43,856,411 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 673.2

Radius: 5.2

Gravity: 24.9 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 13.48 AU - 16.62 AU

Year: 20911 Days

Day: 21.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 62.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 64,883,608 km

• M1: 64,626 km (0.085 R)
• M2: 278,402 km (0.099 R)
• M3: 565,779 km (0.118 R)
• M4: 882,478 km (0.116 R)
• M5: 1,886,280 km (0.08 R)
• M6: 2,498,434 km (0.115 R)
• M7: 3,882,214 km (0.108 R)
• M8: 4,203,700 km (0.062 R)
• M9: 4,577,844 km (0.099 R)
• M10: 4,791,021 km (0.115 R)
• M11: 5,392,106 km (0.095 R)
• M12: 6,084,295 km (0.071 R)
• M13: 6,298,818 km (0.1 R)
• M14: 7,594,486 km (0.091 R)
• M15: 8,252,567 km (0.113 R)
• M16: 9,281,650 km (0.085 R)
• M17: 10,393,611 km (0.051 R)
• M18: 11,526,217 km (0.095 R)
• M19: 13,161,321 km (0.074 R)
• M20: 16,799,542 km (0.057 R)
• M21: 22,860,051 km (0.052 R)
• M22: 24,225,281 km (0.076 R)
• M23: 25,867,117 km (0.11 R)
• M24: 26,317,108 km (0.108 R)
• M25: 27,117,307 km (0.117 R)
• M26: 33,442,454 km (0.056 R)
• M27: 38,455,180 km (0.088 R)
• M28: 39,336,611 km (0.08 R)
• M29: 40,987,273 km (0.054 R)
• M30: 43,470,000 km (0.106 R)
• M31: 54,957,171 km (0.109 R)
• M32: 56,262,562 km (0.119 R)
• M33: 69,819,421 km (0.085 R)
• M34: 70,036,786 km (0.09 R)
• M35: 75,846,270 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 735.2

Radius: 6

Gravity: 20.42 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 12.85 AU - 17.93 AU

Year: 21624 Days

Day: 23.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 64,883,608 km

• M1: 75,248 km (0.077 R)
• M2: 324,627 km (0.061 R)
• M3: 568,921 km (0.087 R)
• M4: 983,905 km (0.114 R)
• M5: 2,613,026 km (0.091 R)
• M6: 3,681,155 km (0.095 R)
• M7: 4,094,494 km (0.094 R)
• M8: 4,717,120 km (0.063 R)
• M9: 4,938,226 km (0.067 R)
• M10: 6,019,968 km (0.042 R)
• M11: 7,348,547 km (0.113 R)
• M12: 7,900,114 km (0.118 R)
• M13: 9,428,406 km (0.083 R)
• M14: 9,661,778 km (0.108 R)
• M15: 10,696,846 km (0.093 R)
• M16: 11,143,845 km (0.109 R)
• M17: 13,567,480 km (0.109 R)
• M18: 17,258,658 km (0.091 R)
• M19: 18,868,630 km (0.053 R)
• M20: 20,381,513 km (0.103 R)
• M21: 21,467,444 km (0.07 R)
• M22: 21,973,534 km (0.111 R)
• M23: 23,009,499 km (0.111 R)
• M24: 33,569,313 km (0.118 R)
• M25: 36,066,551 km (0.111 R)
• M26: 38,092,405 km (0.087 R)
• M27: 43,647,872 km (0.081 R)
• M28: 46,786,584 km (0.025 R)
• M29: 54,813,857 km (0.069 R)
• M30: 61,656,912 km (0.074 R)
• M31: 73,296,823 km (0.104 R)
• M32: 73,753,994 km (0.111 R)
• M33: 78,430,723 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 188.6

Radius: 4.5

Gravity: 9.31 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 17.87 AU - 20.43 AU

Year: 30014 Days

Day: 24.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,883,608 km

• M1: 57,595 km (0.117 R)
• M2: 682,465 km (0.105 R)
• M3: 897,288 km (0.107 R)
• M4: 3,502,086 km (0.074 R)
• M5: 8,257,054 km (0.104 R)
• M6: 8,454,673 km (0.115 R)
• M7: 9,223,906 km (0.077 R)
• M8: 9,872,113 km (0.046 R)
• M9: 11,748,370 km (0.095 R)
• M10: 12,061,628 km (0.072 R)
• M11: 12,509,374 km (0.112 R)
• M12: 23,455,151 km (0.104 R)
• M13: 35,538,919 km (0.101 R)
• M14: 36,325,505 km (0.112 R)
• M15: 36,590,293 km (0.058 R)
• M16: 42,013,365 km (0.119 R)
• M17: 42,892,552 km (0.059 R)
• M18: 48,908,181 km (0.116 R)
• M19: 49,880,867 km (0.085 R)
• M20: 51,363,980 km (0.092 R)
• M21: 59,039,548 km (0.095 R)
• M22: 62,198,755 km (0.092 R)
• M23: 63,149,001 km (0.045 R)
• M24: 64,883,588 km (0.072 R)

Kuiper Belt

Range: 30.6 - 51.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 275 - 15,269 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit