🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.7

Radius: 8

Gravity: 9.06 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.53 AU - 0.75 AU

Year: 341 Days

Day: 12.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 91,119,921 km

• M1: 99,483 km (0.073 R)
• M2: 403,017 km (0.115 R)
• M3: 673,041 km (0.099 R)
• M4: 992,432 km (0.084 R)
• M5: 1,485,956 km (0.11 R)
• M6: 1,743,563 km (0.025 R)
• M7: 2,134,313 km (0.12 R)
• M8: 2,500,678 km (0.118 R)
• M9: 2,780,725 km (0.085 R)
• M10: 3,608,749 km (0.118 R)
• M11: 4,469,984 km (0.054 R)
• M12: 4,729,686 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.7

Radius: 14.4

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.6 AU - 0.76 AU

Year: 374 Days

Day: 14.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 91,119,921 km

• M1: 179,069 km (0.063 R)
• M2: 632,500 km (0.102 R)
• M3: 1,101,788 km (0.049 R)
• M4: 1,605,784 km (0.104 R)
• M5: 2,275,084 km (0.095 R)
• M6: 2,730,760 km (0.11 R)
• M7: 3,315,837 km (0.088 R)
• M8: 3,856,334 km (0.03 R)
• M9: 4,712,333 km (0.046 R)
• M10: 5,495,328 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751

Radius: 10.7

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.91 AU - 0.95 AU

Year: 598 Days

Day: 12.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 91,119,921 km

• M1: 133,142 km (0.114 R)
• M2: 479,461 km (0.053 R)
• M3: 814,261 km (0.069 R)
• M4: 1,195,287 km (0.07 R)
• M5: 1,544,748 km (0.066 R)
• M6: 2,210,309 km (0.117 R)
• M7: 2,551,392 km (0.072 R)
• M8: 3,142,154 km (0.115 R)
• M9: 3,697,760 km (0.106 R)
• M10: 4,597,442 km (0.093 R)
• M11: 5,210,793 km (0.094 R)
• M12: 5,991,096 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.9

Radius: 8.8

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.06 AU - 1.16 AU

Year: 780 Days

Day: 14.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 91,119,921 km

• M1: 110,254 km (0.109 R)
• M2: 448,644 km (0.112 R)
• M3: 722,259 km (0.041 R)
• M4: 1,022,651 km (0.099 R)
• M5: 1,337,405 km (0.083 R)
• M6: 1,621,342 km (0.1 R)
• M7: 2,565,005 km (0.092 R)
• M8: 3,020,381 km (0.103 R)
• M9: 3,797,243 km (0.102 R)
• M10: 4,390,099 km (0.11 R)
• M11: 4,901,425 km (0.088 R)
• M12: 5,285,891 km (0.091 R)
• M13: 5,587,480 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.3

Radius: 12.9

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.51 AU - 1.61 AU

Year: 1299 Days

Day: 7.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 91,119,921 km

• M1: 160,369 km (0.05 R)
• M2: 1,003,054 km (0.055 R)
• M3: 1,609,374 km (0.099 R)
• M4: 2,356,914 km (0.098 R)
• M5: 2,798,527 km (0.06 R)
• M6: 3,250,612 km (0.081 R)
• M7: 3,702,547 km (0.075 R)
• M8: 4,413,586 km (0.066 R)
• M9: 4,910,550 km (0.102 R)
• M10: 6,132,166 km (0.081 R)
• M11: 6,605,943 km (0.056 R)
• M12: 7,206,728 km (0.095 R)
• M13: 7,816,339 km (0.084 R)
• M14: 8,751,176 km (0.114 R)
• M15: 9,759,017 km (0.12 R)
• M16: 10,274,980 km (0.096 R)
• M17: 11,968,877 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.9

Radius: 14.5

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.88 AU - 2.26 AU

Year: 1986 Days

Day: 7.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 91,119,921 km

• M1: 201,060 km (0.083 R)
• M2: 674,238 km (0.11 R)
• M3: 1,454,989 km (0.113 R)
• M4: 1,917,695 km (0.11 R)
• M5: 2,460,436 km (0.109 R)
• M6: 3,117,769 km (0.112 R)
• M7: 3,780,637 km (0.105 R)
• M8: 4,676,878 km (0.116 R)
• M9: 5,912,856 km (0.071 R)
• M10: 6,668,026 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.4

Radius: 9.7

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.93 AU - 2.59 AU

Year: 2266 Days

Day: 7.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 91,119,921 km

• M1: 120,725 km (0.054 R)
• M2: 898,784 km (0.115 R)
• M3: 1,328,579 km (0.089 R)
• M4: 1,698,235 km (0.111 R)
• M5: 2,147,627 km (0.114 R)
• M6: 4,286,577 km (0.079 R)
• M7: 5,498,171 km (0.118 R)
• M8: 6,679,246 km (0.101 R)
• M9: 7,831,149 km (0.105 R)
• M10: 9,291,225 km (0.091 R)
• M11: 10,393,162 km (0.079 R)
• M12: 11,266,365 km (0.056 R)
• M13: 12,187,888 km (0.082 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.9

Radius: 8.1

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.71 AU - 4.35 AU

Year: 4423 Days

Day: 10.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 91,119,921 km

• M1: 100,679 km (0.057 R)
• M2: 443,408 km (0.028 R)
• M3: 892,950 km (0.093 R)
• M4: 1,155,045 km (0.101 R)
• M5: 1,458,878 km (0.088 R)
• M6: 1,742,666 km (0.039 R)
• M7: 2,063,254 km (0.092 R)
• M8: 2,333,128 km (0.085 R)
• M9: 2,927,481 km (0.089 R)
• M10: 4,166,899 km (0.095 R)
• M11: 5,270,483 km (0.078 R)
• M12: 6,174,353 km (0.107 R)
• M13: 6,557,623 km (0.101 R)
• M14: 7,339,122 km (0.096 R)
• M15: 8,007,974 km (0.09 R)
• M16: 8,286,525 km (0.079 R)
• M17: 8,643,915 km (0.109 R)
• M18: 9,817,809 km (0.095 R)
• M19: 10,340,354 km (0.101 R)
• M20: 11,137,412 km (0.096 R)
• M21: 11,484,928 km (0.111 R)
• M22: 11,795,044 km (0.101 R)
• M23: 12,853,299 km (0.118 R)
• M24: 14,023,753 km (0.108 R)
• M25: 15,104,897 km (0.108 R)
• M26: 20,372,836 km (0.062 R)
• M27: 22,853,917 km (0.106 R)
• M28: 23,700,043 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 964

Radius: 4.9

Gravity: 40.15 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 7.44 AU - 10.18 AU

Year: 17438 Days

Day: 17 Hours

Environment

Temp: -228 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 91,119,921 km

• M1: 60,886 km (0.112 R)
• M2: 423,063 km (0.1 R)
• M3: 637,437 km (0.05 R)
• M4: 1,083,089 km (0.078 R)
• M5: 1,491,640 km (0.071 R)
• M6: 1,731,595 km (0.092 R)
• M7: 2,332,979 km (0.069 R)
• M8: 3,171,475 km (0.092 R)
• M9: 3,688,934 km (0.073 R)
• M10: 4,780,849 km (0.067 R)
• M11: 5,303,394 km (0.088 R)
• M12: 5,699,380 km (0.077 R)
• M13: 6,639,752 km (0.066 R)
• M14: 7,241,584 km (0.111 R)
• M15: 7,433,967 km (0.063 R)
• M16: 8,986,942 km (0.078 R)
• M17: 9,492,134 km (0.036 R)
• M18: 10,134,957 km (0.084 R)
• M19: 10,315,222 km (0.037 R)
• M20: 13,282,496 km (0.092 R)
• M21: 13,789,932 km (0.034 R)
• M22: 16,112,289 km (0.106 R)
• M23: 17,195,078 km (0.066 R)
• M24: 20,349,649 km (0.049 R)
• M25: 22,620,245 km (0.114 R)
• M26: 28,723,090 km (0.108 R)
• M27: 31,062,502 km (0.083 R)
• M28: 37,389,145 km (0.115 R)
• M29: 42,000,500 km (0.063 R)
• M30: 49,692,822 km (0.082 R)
• M31: 52,871,179 km (0.117 R)
• M32: 59,434,037 km (0.092 R)
• M33: 60,808,692 km (0.117 R)
• M34: 62,204,291 km (0.054 R)
• M35: 67,151,642 km (0.036 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 922

Radius: 5.9

Gravity: 26.49 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 10.31 AU - 10.63 AU

Year: 22592 Days

Day: 24.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 91,119,921 km

• M1: 75,547 km (0.102 R)
• M2: 264,339 km (0.086 R)
• M3: 467,643 km (0.119 R)
• M4: 1,152,502 km (0.034 R)
• M5: 1,396,047 km (0.112 R)
• M6: 1,786,947 km (0.102 R)
• M7: 2,158,847 km (0.106 R)
• M8: 2,387,133 km (0.112 R)
• M9: 5,642,084 km (0.094 R)
• M10: 7,516,096 km (0.101 R)
• M11: 10,460,332 km (0.109 R)
• M12: 15,722,437 km (0.083 R)
• M13: 16,320,978 km (0.115 R)
• M14: 20,035,942 km (0.085 R)
• M15: 20,536,646 km (0.093 R)
• M16: 21,563,037 km (0.099 R)
• M17: 23,166,128 km (0.03 R)
• M18: 26,607,477 km (0.114 R)
• M19: 35,201,725 km (0.099 R)
• M20: 37,872,347 km (0.045 R)
• M21: 44,622,801 km (0.046 R)
• M22: 45,476,257 km (0.102 R)
• M23: 47,039,704 km (0.055 R)
• M24: 57,782,327 km (0.117 R)
• M25: 66,667,842 km (0.04 R)
• M26: 70,049,502 km (0.1 R)
• M27: 77,397,151 km (0.05 R)
• M28: 85,503,561 km (0.117 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 444 - 15,010 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit