🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.98 AU - 1.56 AU

Year: 539 Days

Day: 32.8 Hours

Environment

Temp: -20 °C

Axial Tilt: 28.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 16,601,826 km

• M1: 77,641 km (0.043 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.24 AU - 1.54 AU

Year: 617 Days

Day: 28.2 Hours

Environment

Temp: -35 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.21 AU - 1.87 AU

Year: 720 Days

Day: 37.1 Hours

Environment

Temp: -61 °C

Axial Tilt: 4.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.04 AU - 2.32 AU

Year: 1213 Days

Day: 13.1 Hours

Environment

Temp: -79 °C

Axial Tilt: 17.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 16,601,826 km

• M1: 1,142,180 km (0.101 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.64

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.22 AU - 4.68 AU

Year: 2957 Days

Day: 28.5 Hours

Environment

Temp: -122 °C

Axial Tilt: 44.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.6

Radius: 10.4

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 4.89 AU - 4.99 AU

Year: 4136 Days

Day: 6.3 Hours

Environment

Temp: -134 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 16,601,826 km

• M1: 154,684 km (0.094 R)
• M2: 247,734 km (0.106 R)
• M3: 339,288 km (0.035 R)
• M4: 455,526 km (0.079 R)
• M5: 701,464 km (0.068 R)
• M6: 812,017 km (0.088 R)
• M7: 916,885 km (0.111 R)
• M8: 1,193,492 km (0.06 R)
• M9: 1,314,367 km (0.086 R)
• M10: 1,598,154 km (0.104 R)
• M11: 1,823,897 km (0.082 R)
• M12: 2,060,112 km (0.099 R)
• M13: 2,124,888 km (0.094 R)
• M14: 2,239,779 km (0.088 R)
• M15: 2,649,827 km (0.095 R)
• M16: 2,899,955 km (0.077 R)
• M17: 3,046,411 km (0.09 R)
• M18: 3,558,784 km (0.106 R)
• M19: 3,895,379 km (0.118 R)
• M20: 4,139,223 km (0.102 R)
• M21: 4,556,602 km (0.103 R)
• M22: 5,075,557 km (0.027 R)
• M23: 5,141,679 km (0.071 R)
• M24: 5,208,250 km (0.114 R)
• M25: 5,341,990 km (0.086 R)
• M26: 5,567,734 km (0.114 R)
• M27: 5,635,950 km (0.044 R)
• M28: 5,958,483 km (0.103 R)
• M29: 6,573,480 km (0.115 R)
• M30: 6,864,149 km (0.114 R)
• M31: 7,208,673 km (0.069 R)
• M32: 7,458,202 km (0.094 R)
• M33: 8,275,904 km (0.072 R)
• M34: 8,537,251 km (0.115 R)
• M35: 8,907,805 km (0.084 R)
• M36: 9,014,618 km (0.07 R)
• M37: 9,337,749 km (0.107 R)
• M38: 9,446,208 km (0.113 R)
• M39: 9,637,244 km (0.101 R)
• M40: 10,050,733 km (0.098 R)
• M41: 10,245,809 km (0.067 R)
• M42: 11,558,081 km (0.069 R)
• M43: 12,561,883 km (0.119 R)
• M44: 12,741,849 km (0.099 R)
• M45: 13,256,615 km (0.114 R)
• M46: 13,348,169 km (0.096 R)
• M47: 13,624,028 km (0.117 R)
• M48: 13,716,479 km (0.043 R)
• M49: 13,840,047 km (0.05 R)
• M50: 14,088,230 km (0.091 R)
• M51: 14,212,845 km (0.12 R)
• M52: 14,369,025 km (0.048 R)
• M53: 15,063,608 km (0.109 R)
• M54: 15,382,999 km (0.07 R)
• M55: 15,801,425 km (0.094 R)
• M56: 16,354,338 km (0.115 R)
• M57: 16,649,645 km (0.102 R)
• M58: 17,278,853 km (0.109 R)
• M59: 17,680,224 km (0.058 R)
• M60: 17,747,543 km (0.081 R)
• M61: 18,526,350 km (0.081 R)
• M62: 18,663,082 km (0.1 R)
• M63: 18,731,449 km (0.102 R)
• M64: 19,178,297 km (0.11 R)
• M65: 19,628,737 km (0.11 R)
• M66: 19,942,593 km (0.08 R)
• M67: 20,681,307 km (0.111 R)
• M68: 20,929,490 km (0.07 R)
• M69: 21,000,699 km (0.096 R)
• M70: 21,824,235 km (0.085 R)
• M71: 22,185,663 km (0.113 R)
• M72: 23,318,418 km (0.101 R)
• M73: 23,429,121 km (0.108 R)
• M74: 23,724,876 km (0.052 R)
• M75: 23,836,177 km (0.032 R)
• M76: 23,947,627 km (0.114 R)
• M77: 24,845,514 km (0.101 R)
• M78: 25,109,404 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.4

Radius: 9.6

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.91 AU - 6.07 AU

Year: 4199 Days

Day: 9.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 16,601,826 km

• M1: 123,568 km (0.062 R)
• M2: 276,756 km (0.064 R)
• M3: 437,873 km (0.078 R)
• M4: 520,601 km (0.118 R)
• M5: 704,456 km (0.107 R)
• M6: 927,956 km (0.115 R)
• M7: 1,076,955 km (0.044 R)
• M8: 1,462,918 km (0.084 R)
• M9: 1,997,132 km (0.072 R)
• M10: 2,069,387 km (0.114 R)
• M11: 2,154,957 km (0.094 R)
• M12: 2,355,119 km (0.104 R)
• M13: 2,457,594 km (0.119 R)
• M14: 2,522,370 km (0.087 R)
• M15: 2,600,759 km (0.066 R)
• M16: 2,773,694 km (0.078 R)
• M17: 2,854,926 km (0.079 R)
• M18: 3,061,221 km (0.105 R)
• M19: 3,244,030 km (0.048 R)
• M20: 3,415,918 km (0.096 R)
• M21: 3,590,947 km (0.105 R)
• M22: 3,980,351 km (0.115 R)
• M23: 4,653,840 km (0.115 R)
• M24: 4,718,317 km (0.078 R)
• M25: 4,995,821 km (0.106 R)
• M26: 5,094,855 km (0.11 R)
• M27: 5,295,316 km (0.043 R)
• M28: 5,617,849 km (0.071 R)
• M29: 5,703,718 km (0.106 R)
• M30: 5,790,186 km (0.111 R)
• M31: 5,859,599 km (0.101 R)
• M32: 6,551,190 km (0.065 R)
• M33: 6,750,903 km (0.077 R)
• M34: 7,437,557 km (0.081 R)
• M35: 7,513,254 km (0.062 R)
• M36: 7,818,134 km (0.098 R)
• M37: 8,010,667 km (0.054 R)
• M38: 8,558,345 km (0.093 R)
• M39: 8,796,804 km (0.066 R)
• M40: 8,997,265 km (0.098 R)
• M41: 9,057,702 km (0.09 R)
• M42: 9,586,980 km (0.036 R)
• M43: 9,689,903 km (0.1 R)
• M44: 9,813,920 km (0.098 R)
• M45: 9,876,152 km (0.037 R)
• M46: 10,168,167 km (0.094 R)
• M47: 10,739,482 km (0.118 R)
• M48: 11,104,650 km (0.081 R)
• M49: 11,256,043 km (0.108 R)
• M50: 11,408,334 km (0.066 R)
• M51: 11,517,390 km (0.07 R)
• M52: 11,670,878 km (0.093 R)
• M53: 11,824,964 km (0.093 R)
• M54: 11,891,086 km (0.086 R)
• M55: 12,023,929 km (0.047 R)
• M56: 12,201,950 km (0.116 R)
• M57: 12,425,450 km (0.08 R)
• M58: 12,605,416 km (0.103 R)
• M59: 12,786,130 km (0.091 R)
• M60: 13,172,990 km (0.115 R)
• M61: 13,725,904 km (0.087 R)
• M62: 13,865,179 km (0.1 R)
• M63: 14,262,811 km (0.11 R)
• M64: 15,188,821 km (0.072 R)
• M65: 15,501,930 km (0.075 R)
• M66: 15,574,485 km (0.112 R)
• M67: 15,890,136 km (0.113 R)
• M68: 16,036,443 km (0.053 R)
• M69: 16,134,280 km (0.084 R)
• M70: 16,306,018 km (0.081 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 452 - 14,264 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit