🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.2

Radius: 14.6

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.64 AU - 0.92 AU

Year: 438 Days

Day: 5.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 54,195,192 km

• M1: 182,061 km (0.115 R)
• M2: 647,011 km (0.09 R)
• M3: 1,112,709 km (0.08 R)
• M4: 1,627,924 km (0.086 R)
• M5: 2,371,126 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497

Radius: 13.7

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.93 AU - 1.13 AU

Year: 665 Days

Day: 10.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,195,192 km

• M1: 170,392 km (0.107 R)
• M2: 605,123 km (0.088 R)
• M3: 1,238,371 km (0.06 R)
• M4: 1,758,972 km (0.057 R)
• M5: 2,426,178 km (0.078 R)
• M6: 3,068,402 km (0.087 R)
• M7: 3,557,886 km (0.104 R)
• M8: 4,999,710 km (0.088 R)
• M9: 5,523,303 km (0.073 R)
• M10: 6,215,193 km (0.058 R)
• M11: 6,821,962 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.4

Radius: 12.8

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.36 AU - 1.78 AU

Year: 1251 Days

Day: 5.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,195,192 km

• M1: 159,621 km (0.107 R)
• M2: 606,470 km (0.102 R)
• M3: 1,057,956 km (0.102 R)
• M4: 2,075,072 km (0.109 R)
• M5: 2,693,809 km (0.114 R)
• M6: 3,377,022 km (0.069 R)
• M7: 4,125,012 km (0.07 R)
• M8: 4,800,596 km (0.094 R)
• M9: 5,297,560 km (0.055 R)
• M10: 6,117,955 km (0.074 R)
• M11: 6,526,058 km (0.069 R)
• M12: 7,614,681 km (0.084 R)
• M13: 8,087,710 km (0.099 R)
• M14: 8,554,006 km (0.059 R)
• M15: 9,343,135 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.6

Radius: 8.2

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.06 AU - 3.4 AU

Year: 2868 Days

Day: 9.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,195,192 km

• M1: 107,112 km (0.117 R)
• M2: 572,361 km (0.088 R)
• M3: 972,835 km (0.091 R)
• M4: 2,060,860 km (0.098 R)
• M5: 3,584,515 km (0.063 R)
• M6: 4,020,892 km (0.027 R)
• M7: 5,570,127 km (0.113 R)
• M8: 7,243,978 km (0.064 R)
• M9: 8,585,721 km (0.105 R)
• M10: 10,159,491 km (0.077 R)
• M11: 10,496,086 km (0.057 R)
• M12: 14,143,282 km (0.115 R)
• M13: 15,039,224 km (0.088 R)
• M14: 17,417,680 km (0.088 R)
• M15: 18,612,668 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.8

Radius: 12.9

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.87 AU - 3.45 AU

Year: 3572 Days

Day: 11.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,195,192 km

• M1: 160,519 km (0.116 R)
• M2: 851,511 km (0.093 R)
• M3: 1,602,193 km (0.057 R)
• M4: 2,049,192 km (0.116 R)
• M5: 3,923,354 km (0.089 R)
• M6: 4,749,732 km (0.041 R)
• M7: 5,265,396 km (0.104 R)
• M8: 6,409,371 km (0.117 R)
• M9: 7,011,054 km (0.105 R)
• M10: 8,939,819 km (0.118 R)
• M11: 9,472,836 km (0.089 R)
• M12: 11,778,439 km (0.069 R)
• M13: 12,904,911 km (0.085 R)
• M14: 13,448,400 km (0.094 R)
• M15: 14,923,584 km (0.056 R)
• M16: 17,090,809 km (0.1 R)
• M17: 19,519,530 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542

Radius: 14.5

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 4.28 AU - 4.36 AU

Year: 5709 Days

Day: 13.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,195,192 km

• M1: 180,265 km (0.082 R)
• M2: 659,876 km (0.076 R)
• M3: 2,007,304 km (0.118 R)
• M4: 2,642,497 km (0.099 R)
• M5: 3,249,565 km (0.093 R)
• M6: 3,948,785 km (0.04 R)
• M7: 4,721,309 km (0.081 R)
• M8: 6,997,141 km (0.078 R)
• M9: 7,620,665 km (0.11 R)
• M10: 8,093,843 km (0.101 R)
• M11: 9,928,811 km (0.059 R)
• M12: 11,313,189 km (0.075 R)
• M13: 11,930,729 km (0.111 R)
• M14: 13,812,222 km (0.071 R)
• M15: 14,518,025 km (0.067 R)
• M16: 15,592,885 km (0.105 R)
• M17: 16,120,367 km (0.076 R)
• M18: 19,203,729 km (0.089 R)
• M19: 22,586,735 km (0.1 R)
• M20: 24,971,774 km (0.073 R)
• M21: 26,348,823 km (0.104 R)
• M22: 28,551,950 km (0.108 R)
• M23: 29,165,601 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.5

Radius: 9.9

Gravity: 9.71 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 4.69 AU - 4.93 AU

Year: 6707 Days

Day: 10.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,195,192 km

• M1: 126,859 km (0.092 R)
• M2: 475,123 km (0.117 R)
• M3: 972,835 km (0.104 R)
• M4: 1,499,868 km (0.056 R)
• M5: 1,920,238 km (0.11 R)
• M6: 2,918,505 km (0.072 R)
• M7: 3,747,875 km (0.111 R)
• M8: 4,284,333 km (0.082 R)
• M9: 5,671,405 km (0.116 R)
• M10: 6,103,144 km (0.099 R)
• M11: 6,628,382 km (0.11 R)
• M12: 8,012,612 km (0.104 R)
• M13: 8,429,242 km (0.07 R)
• M14: 8,948,197 km (0.105 R)
• M15: 9,860,444 km (0.093 R)
• M16: 10,339,307 km (0.107 R)
• M17: 12,744,542 km (0.071 R)
• M18: 13,662,026 km (0.106 R)
• M19: 15,372,976 km (0.096 R)
• M20: 18,271,585 km (0.116 R)
• M21: 18,994,591 km (0.104 R)
• M22: 22,568,036 km (0.049 R)
• M23: 25,570,315 km (0.061 R)
• M24: 26,474,784 km (0.051 R)
• M25: 28,251,707 km (0.099 R)
• M26: 30,106,871 km (0.119 R)
• M27: 34,602,735 km (0.09 R)
• M28: 39,287,991 km (0.09 R)
• M29: 40,857,722 km (0.062 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 319.7

Radius: 6.5

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 8.28 AU - 10.02 AU

Year: 17598 Days

Day: 18.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,195,192 km

• M1: 80,783 km (0.115 R)
• M2: 302,487 km (0.108 R)
• M3: 1,586,186 km (0.103 R)
• M4: 2,079,111 km (0.085 R)
• M5: 2,889,034 km (0.045 R)
• M6: 3,266,170 km (0.102 R)
• M7: 5,699,080 km (0.09 R)
• M8: 8,792,615 km (0.082 R)
• M9: 11,194,857 km (0.069 R)
• M10: 11,537,287 km (0.069 R)
• M11: 12,484,989 km (0.106 R)
• M12: 18,247,200 km (0.092 R)
• M13: 18,881,794 km (0.088 R)
• M14: 19,285,709 km (0.083 R)
• M15: 21,132,195 km (0.108 R)
• M16: 23,742,080 km (0.111 R)
• M17: 26,257,867 km (0.066 R)
• M18: 27,787,356 km (0.11 R)
• M19: 29,160,215 km (0.113 R)
• M20: 38,229,736 km (0.098 R)
• M21: 39,793,782 km (0.07 R)
• M22: 45,459,053 km (0.111 R)
• M23: 46,184,752 km (0.12 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 519 - 18,732 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit