🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.95

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.64 AU - 0.98 AU

Year: 273 Days

Day: 33.4 Hours

Environment

Temp: 110 °C

Axial Tilt: 31.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.7 AU - 1.96 AU

Year: 928 Days

Day: 29.6 Hours

Environment

Temp: -59 °C

Axial Tilt: 9.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 45,768,122 km

• M1: 196,572 km (0.107 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.67 AU - 2.09 AU

Year: 966 Days

Day: 22.1 Hours

Environment

Temp: -71 °C

Axial Tilt: 28 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 45,768,122 km

• M1: 486,193 km (0.038 R)
• M2: 881,580 km (0.027 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.78 AU - 2.38 AU

Year: 1124 Days

Day: 21.9 Hours

Environment

Temp: -74 °C

Axial Tilt: 39.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.74 AU - 2.44 AU

Year: 1132 Days

Day: 28.7 Hours

Environment

Temp: -76 °C

Axial Tilt: 32.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.09 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.6

Radius: 9.2

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 6.45 AU - 9.73 AU

Year: 8623 Days

Day: 12.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 45,768,122 km

• M1: 120,277 km (0.053 R)
• M2: 238,309 km (0.088 R)
• M3: 327,320 km (0.083 R)
• M4: 388,057 km (0.054 R)
• M5: 464,801 km (0.1 R)
• M6: 535,560 km (0.107 R)
• M7: 758,312 km (0.062 R)
• M8: 1,121,834 km (0.088 R)
• M9: 1,463,815 km (0.067 R)
• M10: 2,035,279 km (0.094 R)
• M11: 2,116,511 km (0.118 R)
• M12: 2,560,517 km (0.08 R)
• M13: 3,126,296 km (0.108 R)
• M14: 3,435,665 km (0.087 R)
• M15: 3,557,288 km (0.074 R)
• M16: 3,631,040 km (0.065 R)
• M17: 3,779,889 km (0.113 R)
• M18: 3,930,834 km (0.052 R)
• M19: 4,058,291 km (0.053 R)
• M20: 4,264,886 km (0.102 R)
• M21: 4,634,841 km (0.042 R)
• M22: 4,960,217 km (0.093 R)
• M23: 5,125,821 km (0.053 R)
• M24: 5,433,993 km (0.111 R)
• M25: 5,748,298 km (0.093 R)
• M26: 7,032,895 km (0.09 R)
• M27: 7,250,261 km (0.075 R)
• M28: 8,435,375 km (0.112 R)
• M29: 9,168,405 km (0.098 R)
• M30: 9,542,549 km (0.102 R)
• M31: 9,956,486 km (0.113 R)
• M32: 11,487,321 km (0.109 R)
• M33: 11,743,433 km (0.083 R)
• M34: 12,149,741 km (0.086 R)
• M35: 12,673,483 km (0.068 R)
• M36: 12,786,579 km (0.12 R)
• M37: 13,090,113 km (0.079 R)
• M38: 14,801,662 km (0.074 R)
• M39: 15,401,101 km (0.103 R)
• M40: 16,008,468 km (0.107 R)
• M41: 16,253,659 km (0.107 R)
• M42: 16,500,047 km (0.09 R)
• M43: 18,944,925 km (0.113 R)
• M44: 19,031,243 km (0.045 R)
• M45: 19,160,944 km (0.105 R)
• M46: 19,464,777 km (0.106 R)
• M47: 20,253,308 km (0.102 R)
• M48: 20,651,537 km (0.093 R)
• M49: 20,829,409 km (0.062 R)
• M50: 21,141,769 km (0.085 R)
• M51: 22,042,797 km (0.111 R)
• M52: 22,681,132 km (0.09 R)
• M53: 23,835,878 km (0.11 R)
• M54: 23,975,752 km (0.088 R)
• M55: 24,069,101 km (0.086 R)
• M56: 25,246,735 km (0.115 R)
• M57: 26,298,408 km (0.111 R)
• M58: 26,878,100 km (0.119 R)
• M59: 27,120,897 km (0.034 R)
• M60: 27,657,654 km (0.077 R)
• M61: 29,089,306 km (0.039 R)
• M62: 29,638,629 km (0.102 R)
• M63: 30,040,449 km (0.044 R)
• M64: 30,747,748 km (0.093 R)
• M65: 31,001,616 km (0.114 R)
• M66: 33,892,894 km (0.094 R)
• M67: 34,629,214 km (0.098 R)
• M68: 34,840,446 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.6

Radius: 14

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 7.43 AU - 9.61 AU

Year: 9319 Days

Day: 5.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 45,768,122 km

• M1: 249,679 km (0.047 R)
• M2: 778,358 km (0.081 R)
• M3: 947,254 km (0.097 R)
• M4: 1,530,237 km (0.114 R)
• M5: 1,952,252 km (0.113 R)
• M6: 2,286,603 km (0.111 R)
• M7: 2,410,620 km (0.076 R)
• M8: 2,665,535 km (0.087 R)
• M9: 2,902,797 km (0.108 R)
• M10: 3,454,813 km (0.085 R)
• M11: 4,100,178 km (0.104 R)
• M12: 4,878,985 km (0.111 R)
• M13: 5,534,822 km (0.101 R)
• M14: 6,010,693 km (0.101 R)
• M15: 6,149,071 km (0.091 R)
• M16: 6,393,963 km (0.075 R)
• M17: 7,111,135 km (0.108 R)
• M18: 7,479,445 km (0.062 R)
• M19: 8,543,834 km (0.12 R)
• M20: 9,213,284 km (0.106 R)
• M21: 9,777,268 km (0.051 R)
• M22: 9,899,639 km (0.075 R)
• M23: 10,477,236 km (0.087 R)
• M24: 11,108,390 km (0.052 R)
• M25: 11,235,997 km (0.105 R)
• M26: 11,579,025 km (0.088 R)
• M27: 12,363,366 km (0.116 R)
• M28: 12,451,629 km (0.059 R)
• M29: 12,673,184 km (0.072 R)
• M30: 13,435,983 km (0.079 R)
• M31: 13,937,585 km (0.103 R)
• M32: 14,029,438 km (0.12 R)
• M33: 15,384,047 km (0.109 R)
• M34: 15,478,892 km (0.088 R)
• M35: 16,633,787 km (0.109 R)
• M36: 17,073,904 km (0.091 R)
• M37: 17,320,142 km (0.074 R)
• M38: 18,468,007 km (0.118 R)
• M39: 19,486,020 km (0.103 R)
• M40: 19,898,462 km (0.053 R)
• M41: 21,789,528 km (0.105 R)
• M42: 21,896,192 km (0.115 R)
• M43: 23,136,358 km (0.118 R)
• M44: 24,012,403 km (0.109 R)
• M45: 24,620,967 km (0.076 R)
• M46: 24,843,569 km (0.065 R)
• M47: 25,178,668 km (0.058 R)
• M48: 26,363,483 km (0.104 R)
• M49: 26,705,314 km (0.104 R)
• M50: 27,451,060 km (0.103 R)
• M51: 27,624,144 km (0.115 R)
• M52: 28,145,493 km (0.061 R)
• M53: 30,322,890 km (0.038 R)
• M54: 30,501,809 km (0.119 R)
• M55: 30,741,016 km (0.09 R)
• M56: 30,980,672 km (0.107 R)
• M57: 31,221,076 km (0.048 R)
• M58: 32,371,334 km (0.104 R)
• M59: 32,554,142 km (0.095 R)
• M60: 32,982,142 km (0.073 R)
• M61: 33,658,623 km (0.079 R)
• M62: 33,967,693 km (0.066 R)
• M63: 34,339,742 km (0.074 R)
• M64: 34,464,058 km (0.102 R)
• M65: 35,338,458 km (0.074 R)
• M66: 36,030,498 km (0.08 R)
• M67: 36,600,166 km (0.117 R)
• M68: 36,917,912 km (0.088 R)
• M69: 37,556,246 km (0.092 R)
• M70: 38,779,059 km (0.095 R)
• M71: 41,594,342 km (0.065 R)
• M72: 41,726,885 km (0.111 R)
• M73: 42,058,843 km (0.088 R)
• M74: 43,194,141 km (0.111 R)
• M75: 43,664,477 km (0.059 R)
• M76: 44,610,384 km (0.093 R)
• M77: 45,085,956 km (0.089 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 486 - 16,761 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit