🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.45 AU - 0.59 AU

Year: 142 Days

Day: 36.2 Hours

Environment

Temp: 178 °C

Axial Tilt: 26.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 42,289,447 km

• M1: 308,321 km (0.052 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.62 AU - 0.82 AU

Year: 231 Days

Day: 24.6 Hours

Environment

Temp: 107 °C

Axial Tilt: 33.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.83 AU - 0.91 AU

Year: 307 Days

Day: 29.4 Hours

Environment

Temp: 39 °C

Axial Tilt: 18.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.82 AU - 1.16 AU

Year: 373 Days

Day: 15.4 Hours

Environment

Temp: 7 °C

Axial Tilt: 33.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 42,289,447 km

• M1: 442,211 km (0.025 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.9

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.04 AU - 1.24 AU

Year: 461 Days

Day: 15.5 Hours

Environment

Temp: 5 °C

Axial Tilt: 27.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.73 AU - 2.85 AU

Year: 1765 Days

Day: 22 Hours

Environment

Temp: -103 °C

Axial Tilt: 6.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.45 AU - 3.91 AU

Year: 2148 Days

Day: 32.9 Hours

Environment

Temp: -111 °C

Axial Tilt: 4.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,289,447 km

• M1: 201,359 km (0.04 R)

Asteroid Belt

Center: 3.81 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.1

Radius: 14

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 4.1 AU - 4.78 AU

Year: 3543 Days

Day: 11.4 Hours

Environment

Temp: -134 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 42,289,447 km

• M1: 176,376 km (0.025 R)
• M2: 341,532 km (0.062 R)
• M3: 486,193 km (0.094 R)
• M4: 617,690 km (0.061 R)
• M5: 1,007,392 km (0.102 R)
• M6: 1,120,039 km (0.087 R)
• M7: 1,331,720 km (0.045 R)
• M8: 1,528,441 km (0.075 R)
• M9: 1,795,773 km (0.086 R)
• M10: 1,951,205 km (0.11 R)
• M11: 2,635,615 km (0.063 R)
• M12: 2,903,994 km (0.066 R)
• M13: 3,050,899 km (0.115 R)
• M14: 3,219,197 km (0.103 R)
• M15: 3,314,042 km (0.114 R)
• M16: 4,024,931 km (0.079 R)
• M17: 4,335,197 km (0.04 R)
• M18: 4,525,036 km (0.085 R)
• M19: 5,515,973 km (0.117 R)
• M20: 5,653,154 km (0.085 R)
• M21: 5,837,758 km (0.089 R)
• M22: 6,047,943 km (0.115 R)
• M23: 6,189,612 km (0.114 R)
• M24: 6,475,942 km (0.057 R)
• M25: 6,938,499 km (0.099 R)
• M26: 7,161,250 km (0.086 R)
• M27: 7,361,412 km (0.119 R)
• M28: 7,614,232 km (0.114 R)
• M29: 8,389,748 km (0.104 R)
• M30: 8,600,830 km (0.082 R)
• M31: 8,707,045 km (0.089 R)
• M32: 9,082,236 km (0.099 R)
• M33: 9,217,622 km (0.109 R)
• M34: 9,904,277 km (0.087 R)
• M35: 10,465,568 km (0.058 R)
• M36: 10,692,957 km (0.113 R)
• M37: 10,864,545 km (0.111 R)
• M38: 11,094,926 km (0.119 R)
• M39: 11,239,737 km (0.098 R)
• M40: 11,355,974 km (0.074 R)
• M41: 11,472,661 km (0.092 R)
• M42: 12,300,535 km (0.084 R)
• M43: 13,331,863 km (0.057 R)
• M44: 13,702,567 km (0.11 R)
• M45: 13,826,882 km (0.069 R)
• M46: 13,951,497 km (0.114 R)
• M47: 14,076,561 km (0.091 R)
• M48: 15,703,588 km (0.12 R)
• M49: 16,456,813 km (0.074 R)
• M50: 16,589,057 km (0.062 R)
• M51: 16,754,812 km (0.072 R)
• M52: 17,288,876 km (0.07 R)
• M53: 17,794,816 km (0.067 R)
• M54: 18,305,543 km (0.087 R)
• M55: 18,442,425 km (0.067 R)
• M56: 18,648,721 km (0.101 R)
• M57: 19,271,796 km (0.1 R)
• M58: 19,411,072 km (0.112 R)
• M59: 19,515,940 km (0.108 R)
• M60: 20,289,959 km (0.101 R)
• M61: 20,502,837 km (0.116 R)
• M62: 20,966,590 km (0.073 R)
• M63: 22,122,982 km (0.086 R)
• M64: 22,378,645 km (0.09 R)
• M65: 22,598,554 km (0.091 R)
• M66: 22,745,608 km (0.095 R)
• M67: 23,003,814 km (0.108 R)
• M68: 25,141,418 km (0.067 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.6

Radius: 12.5

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 7.07 AU - 7.33 AU

Year: 7317 Days

Day: 10.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 42,289,447 km

• M1: 321,935 km (0.114 R)
• M2: 479,910 km (0.085 R)
• M3: 571,165 km (0.077 R)
• M4: 698,921 km (0.111 R)
• M5: 886,218 km (0.08 R)
• M6: 1,507,947 km (0.114 R)
• M7: 1,950,906 km (0.107 R)
• M8: 2,153,162 km (0.077 R)
• M9: 3,056,733 km (0.105 R)
• M10: 3,266,470 km (0.12 R)
• M11: 4,503,195 km (0.094 R)
• M12: 5,140,332 km (0.067 R)
• M13: 6,364,641 km (0.1 R)
• M14: 6,940,743 km (0.097 R)
• M15: 7,427,833 km (0.079 R)
• M16: 8,324,972 km (0.093 R)
• M17: 8,656,481 km (0.04 R)
• M18: 8,917,230 km (0.047 R)
• M19: 9,029,877 km (0.077 R)
• M20: 10,142,287 km (0.092 R)
• M21: 10,338,559 km (0.105 R)
• M22: 10,575,672 km (0.087 R)
• M23: 10,814,580 km (0.085 R)
• M24: 10,974,949 km (0.097 R)
• M25: 11,664,894 km (0.041 R)
• M26: 11,911,880 km (0.119 R)
• M27: 12,035,897 km (0.087 R)
• M28: 12,410,939 km (0.102 R)
• M29: 12,494,713 km (0.103 R)
• M30: 12,663,011 km (0.12 R)
• M31: 13,343,681 km (0.116 R)
• M32: 13,515,569 km (0.116 R)
• M33: 13,601,887 km (0.104 R)
• M34: 13,861,888 km (0.116 R)
• M35: 14,079,852 km (0.074 R)
• M36: 14,342,845 km (0.107 R)
• M37: 14,519,072 km (0.061 R)
• M38: 15,636,867 km (0.115 R)
• M39: 16,274,902 km (0.11 R)
• M40: 16,412,682 km (0.073 R)
• M41: 16,504,834 km (0.108 R)
• M42: 16,967,989 km (0.072 R)
• M43: 18,049,432 km (0.094 R)
• M44: 18,239,720 km (0.102 R)
• M45: 20,032,052 km (0.08 R)
• M46: 20,774,507 km (0.057 R)
• M47: 21,124,117 km (0.067 R)
• M48: 22,184,766 km (0.05 R)
• M49: 22,644,480 km (0.067 R)
• M50: 22,798,566 km (0.089 R)
• M51: 22,952,801 km (0.101 R)
• M52: 23,262,469 km (0.111 R)
• M53: 23,469,812 km (0.07 R)
• M54: 23,625,543 km (0.032 R)
• M55: 24,567,860 km (0.042 R)
• M56: 24,725,985 km (0.115 R)
• M57: 25,202,753 km (0.088 R)
• M58: 25,682,663 km (0.104 R)
• M59: 26,111,560 km (0.116 R)
• M60: 26,759,618 km (0.093 R)
• M61: 27,249,103 km (0.054 R)
• M62: 27,522,268 km (0.055 R)
• M63: 28,513,354 km (0.074 R)
• M64: 29,909,252 km (0.069 R)
• M65: 30,021,899 km (0.117 R)
• M66: 32,304,015 km (0.07 R)
• M67: 33,465,941 km (0.114 R)
• M68: 33,582,927 km (0.091 R)
• M69: 33,700,062 km (0.034 R)
• M70: 34,110,858 km (0.061 R)
• M71: 34,287,533 km (0.065 R)
• M72: 34,937,685 km (0.087 R)
• M73: 35,294,027 km (0.12 R)
• M74: 36,190,118 km (0.076 R)
• M75: 39,046,091 km (0.117 R)
• M76: 39,910,767 km (0.093 R)
• M77: 40,221,183 km (0.082 R)
• M78: 41,031,704 km (0.081 R)
• M79: 42,226,243 km (0.118 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 218 - 18,019 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit