🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.43 AU - 0.65 AU

Year: 252 Days

Day: 24.7 Hours

Environment

Temp: -126 °C

Axial Tilt: 13 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 51,096,993 km

• M1: 166,353 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.2

Radius: 10.4

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.53 AU - 0.87 AU

Year: 372 Days

Day: 14.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,096,993 km

• M1: 129,402 km (0.04 R)
• M2: 490,083 km (0.074 R)
• M3: 996,771 km (0.119 R)
• M4: 1,346,830 km (0.068 R)
• M5: 1,801,906 km (0.116 R)
• M6: 2,131,022 km (0.03 R)
• M7: 2,527,905 km (0.11 R)
• M8: 2,943,488 km (0.087 R)
• M9: 3,393,329 km (0.049 R)
• M10: 4,000,845 km (0.081 R)
• M11: 4,337,740 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.6

Radius: 10.7

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.6 AU - 3.1 AU

Year: 3059 Days

Day: 11.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,096,993 km

• M1: 134,339 km (0.044 R)
• M2: 511,475 km (0.073 R)
• M3: 883,824 km (0.084 R)
• M4: 1,386,024 km (0.091 R)
• M5: 1,738,327 km (0.065 R)
• M6: 2,086,292 km (0.062 R)
• M7: 2,598,964 km (0.111 R)
• M8: 3,281,429 km (0.037 R)
• M9: 3,839,130 km (0.118 R)
• M10: 4,308,718 km (0.108 R)
• M11: 5,192,692 km (0.107 R)
• M12: 5,690,703 km (0.111 R)
• M13: 6,031,487 km (0.093 R)
• M14: 8,338,286 km (0.109 R)
• M15: 9,199,521 km (0.094 R)
• M16: 10,699,539 km (0.105 R)
• M17: 16,592,199 km (0.06 R)
• M18: 17,564,436 km (0.074 R)
• M19: 18,177,039 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.6

Radius: 14.5

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.78 AU - 3.24 AU

Year: 3320 Days

Day: 8.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,096,993 km

• M1: 180,415 km (0.031 R)
• M2: 671,246 km (0.082 R)
• M3: 1,122,882 km (0.071 R)
• M4: 1,590,375 km (0.114 R)
• M5: 2,046,798 km (0.054 R)
• M6: 2,700,391 km (0.071 R)
• M7: 3,840,925 km (0.066 R)
• M8: 4,300,490 km (0.114 R)
• M9: 4,987,144 km (0.106 R)
• M10: 11,717,702 km (0.084 R)
• M11: 12,922,563 km (0.105 R)
• M12: 15,421,895 km (0.104 R)
• M13: 17,257,760 km (0.12 R)
• M14: 18,170,307 km (0.089 R)
• M15: 21,881,830 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 401.3

Radius: 7.4

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 6.37 AU - 7.69 AU

Year: 11851 Days

Day: 22.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 51,096,993 km

• M1: 92,451 km (0.113 R)
• M2: 344,823 km (0.088 R)
• M3: 644,617 km (0.09 R)
• M4: 1,004,101 km (0.096 R)
• M5: 1,997,431 km (0.08 R)
• M6: 2,325,948 km (0.119 R)
• M7: 2,730,610 km (0.102 R)
• M8: 2,982,383 km (0.069 R)
• M9: 3,412,926 km (0.075 R)
• M10: 3,910,339 km (0.115 R)
• M11: 4,342,228 km (0.097 R)
• M12: 5,269,286 km (0.112 R)
• M13: 6,765,265 km (0.11 R)
• M14: 7,428,282 km (0.09 R)
• M15: 7,879,918 km (0.1 R)
• M16: 8,702,707 km (0.048 R)
• M17: 14,626,034 km (0.066 R)
• M18: 15,731,862 km (0.088 R)
• M19: 16,476,410 km (0.109 R)
• M20: 19,846,551 km (0.086 R)
• M21: 20,317,485 km (0.112 R)
• M22: 22,870,373 km (0.091 R)
• M23: 24,179,205 km (0.054 R)
• M24: 26,000,858 km (0.067 R)
• M25: 26,849,826 km (0.091 R)
• M26: 28,503,481 km (0.101 R)
• M27: 29,915,385 km (0.119 R)
• M28: 33,870,304 km (0.102 R)
• M29: 36,966,980 km (0.112 R)
• M30: 39,873,667 km (0.118 R)
• M31: 43,453,245 km (0.088 R)
• M32: 44,380,602 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 508.6

Radius: 5.4

Gravity: 17.44 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 6.31 AU - 8.47 AU

Year: 12773 Days

Day: 17.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 51,096,993 km

• M1: 69,713 km (0.117 R)
• M2: 257,159 km (0.053 R)
• M3: 603,179 km (0.073 R)
• M4: 781,499 km (0.078 R)
• M5: 974,481 km (0.085 R)
• M6: 1,199,476 km (0.12 R)
• M7: 1,572,722 km (0.112 R)
• M8: 1,770,790 km (0.07 R)
• M9: 1,985,613 km (0.118 R)
• M10: 3,164,593 km (0.088 R)
• M11: 4,124,413 km (0.078 R)
• M12: 5,001,805 km (0.1 R)
• M13: 5,536,168 km (0.107 R)
• M14: 6,639,154 km (0.075 R)
• M15: 6,996,842 km (0.06 R)
• M16: 9,921,032 km (0.077 R)
• M17: 12,111,743 km (0.09 R)
• M18: 12,705,946 km (0.116 R)
• M19: 13,696,732 km (0.086 R)
• M20: 15,971,368 km (0.084 R)
• M21: 17,495,471 km (0.082 R)
• M22: 21,338,042 km (0.096 R)
• M23: 21,854,753 km (0.072 R)
• M24: 23,002,767 km (0.054 R)
• M25: 26,390,860 km (0.107 R)
• M26: 26,986,109 km (0.064 R)
• M27: 27,793,639 km (0.078 R)
• M28: 29,456,718 km (0.092 R)
• M29: 32,186,431 km (0.059 R)
• M30: 34,370,560 km (0.066 R)
• M31: 36,406,587 km (0.115 R)
• M32: 49,581,372 km (0.12 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 541 - 19,876 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit