🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.8

Radius: 10.8

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.6 AU - 0.76 AU

Year: 357 Days

Day: 11.8 Hours

Environment

Temp: -135 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,119,668 km

• M1: 134,488 km (0.069 R)
• M2: 474,076 km (0.098 R)
• M3: 921,373 km (0.115 R)
• M4: 1,318,556 km (0.073 R)
• M5: 1,755,830 km (0.108 R)
• M6: 2,138,651 km (0.109 R)
• M7: 2,481,529 km (0.034 R)
• M8: 3,075,882 km (0.113 R)
• M9: 3,461,396 km (0.076 R)
• M10: 3,985,736 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.1

Radius: 13.4

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.69 AU - 0.81 AU

Year: 413 Days

Day: 8.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,119,668 km

• M1: 166,652 km (0.088 R)
• M2: 673,789 km (0.06 R)
• M3: 1,095,505 km (0.049 R)
• M4: 1,604,736 km (0.101 R)
• M5: 2,219,733 km (0.058 R)
• M6: 3,087,102 km (0.073 R)
• M7: 3,612,340 km (0.12 R)
• M8: 4,061,732 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.8

Radius: 8.7

Gravity: 8.88 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.83 AU - 1.29 AU

Year: 694 Days

Day: 9 Hours

Environment

Temp: -165 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,119,668 km

• M1: 108,159 km (0.118 R)
• M2: 575,204 km (0.08 R)
• M3: 926,609 km (0.109 R)
• M4: 1,350,570 km (0.045 R)
• M5: 1,787,844 km (0.104 R)
• M6: 2,207,466 km (0.069 R)
• M7: 3,143,949 km (0.087 R)
• M8: 3,522,431 km (0.11 R)
• M9: 4,262,193 km (0.095 R)
• M10: 4,810,320 km (0.095 R)
• M11: 5,368,469 km (0.09 R)
• M12: 6,027,747 km (0.079 R)
• M13: 6,530,845 km (0.071 R)
• M14: 7,461,343 km (0.049 R)
• M15: 7,759,492 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.8

Radius: 8.6

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.1 AU - 1.14 AU

Year: 754 Days

Day: 5.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 74,119,668 km

• M1: 106,962 km (0.113 R)
• M2: 389,852 km (0.102 R)
• M3: 1,073,963 km (0.097 R)
• M4: 2,476,443 km (0.059 R)
• M5: 3,535,446 km (0.12 R)
• M6: 3,968,981 km (0.067 R)
• M7: 4,533,115 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.1

Radius: 11.2

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.11 AU - 1.19 AU

Year: 784 Days

Day: 5.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 74,119,668 km

• M1: 141,220 km (0.049 R)
• M2: 516,262 km (0.088 R)
• M3: 875,596 km (0.073 R)
• M4: 1,753,586 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.4

Radius: 14.9

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.27 AU - 1.91 AU

Year: 1275 Days

Day: 12.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 74,119,668 km

• M1: 185,352 km (0.104 R)
• M2: 734,825 km (0.071 R)
• M3: 1,395,000 km (0.12 R)
• M4: 2,148,525 km (0.072 R)
• M5: 2,695,454 km (0.105 R)
• M6: 3,489,969 km (0.11 R)
• M7: 5,599,000 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320

Radius: 10.6

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.88 AU - 2 AU

Year: 1718 Days

Day: 10.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,119,668 km

• M1: 131,796 km (0.066 R)
• M2: 463,753 km (0.041 R)
• M3: 864,526 km (0.104 R)
• M4: 1,259,614 km (0.093 R)
• M5: 1,823,448 km (0.098 R)
• M6: 2,537,329 km (0.098 R)
• M7: 2,946,031 km (0.036 R)
• M8: 3,398,415 km (0.107 R)
• M9: 3,848,256 km (0.108 R)
• M10: 4,570,215 km (0.081 R)
• M11: 4,925,360 km (0.071 R)
• M12: 5,503,107 km (0.072 R)
• M13: 5,993,040 km (0.058 R)
• M14: 6,914,563 km (0.059 R)
• M15: 8,088,009 km (0.088 R)
• M16: 9,300,649 km (0.1 R)
• M17: 10,990,507 km (0.063 R)
• M18: 11,392,177 km (0.102 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.4

Radius: 10.6

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 4.79 AU - 6.49 AU

Year: 8516 Days

Day: 5.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 74,119,668 km

• M1: 131,945 km (0.108 R)
• M2: 479,012 km (0.109 R)
• M3: 957,875 km (0.113 R)
• M4: 1,291,329 km (0.12 R)
• M5: 2,501,276 km (0.104 R)
• M6: 3,360,866 km (0.089 R)
• M7: 3,781,685 km (0.093 R)
• M8: 6,894,367 km (0.117 R)
• M9: 7,998,998 km (0.114 R)
• M10: 9,946,314 km (0.042 R)
• M11: 10,299,215 km (0.076 R)
• M12: 11,907,392 km (0.119 R)
• M13: 14,754,090 km (0.038 R)
• M14: 18,400,388 km (0.119 R)
• M15: 19,554,686 km (0.084 R)
• M16: 20,029,809 km (0.08 R)
• M17: 24,841,774 km (0.118 R)
• M18: 25,775,264 km (0.114 R)
• M19: 26,346,429 km (0.057 R)
• M20: 26,731,943 km (0.109 R)
• M21: 27,712,258 km (0.075 R)
• M22: 29,952,934 km (0.066 R)
• M23: 33,536,551 km (0.085 R)
• M24: 33,875,839 km (0.077 R)
• M25: 35,724,420 km (0.12 R)
• M26: 38,251,577 km (0.099 R)
• M27: 41,282,879 km (0.049 R)
• M28: 44,743,826 km (0.084 R)
• M29: 45,569,007 km (0.032 R)
• M30: 46,685,157 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 488.2

Radius: 5.4

Gravity: 16.74 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 5.48 AU - 7.36 AU

Year: 10343 Days

Day: 23 Hours

Environment

Temp: -212 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 74,119,668 km

• M1: 67,169 km (0.107 R)
• M2: 305,479 km (0.074 R)
• M3: 627,413 km (0.101 R)
• M4: 996,471 km (0.12 R)
• M5: 1,433,746 km (0.055 R)
• M6: 2,210,757 km (0.091 R)
• M7: 3,192,119 km (0.056 R)
• M8: 3,641,212 km (0.084 R)
• M9: 4,051,260 km (0.094 R)
• M10: 4,723,254 km (0.116 R)
• M11: 5,337,951 km (0.107 R)
• M12: 6,321,707 km (0.039 R)
• M13: 6,650,224 km (0.114 R)
• M14: 7,952,772 km (0.087 R)
• M15: 8,378,977 km (0.089 R)
• M16: 9,370,063 km (0.12 R)
• M17: 9,605,679 km (0.048 R)
• M18: 10,436,845 km (0.12 R)
• M19: 13,814,466 km (0.084 R)
• M20: 15,981,391 km (0.085 R)
• M21: 17,075,550 km (0.114 R)
• M22: 18,000,364 km (0.108 R)
• M23: 18,291,631 km (0.115 R)
• M24: 19,108,585 km (0.066 R)
• M25: 21,952,590 km (0.117 R)
• M26: 22,452,396 km (0.095 R)
• M27: 24,617,377 km (0.111 R)
• M28: 26,073,562 km (0.039 R)
• M29: 28,462,491 km (0.046 R)
• M30: 33,890,799 km (0.092 R)
• M31: 34,670,503 km (0.064 R)
• M32: 40,341,759 km (0.074 R)
• M33: 41,469,727 km (0.083 R)
• M34: 43,006,246 km (0.051 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 891.7

Radius: 7.6

Gravity: 15.44 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 6.91 AU - 10.87 AU

Year: 16853 Days

Day: 22.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 74,119,668 km

• M1: 95,443 km (0.098 R)
• M2: 397,781 km (0.096 R)
• M3: 819,946 km (0.083 R)
• M4: 1,395,599 km (0.112 R)
• M5: 1,650,813 km (0.076 R)
• M6: 2,133,415 km (0.09 R)
• M7: 2,589,090 km (0.105 R)
• M8: 2,852,682 km (0.072 R)
• M9: 3,519,589 km (0.097 R)
• M10: 5,898,345 km (0.098 R)
• M11: 6,573,779 km (0.026 R)
• M12: 10,383,439 km (0.062 R)
• M13: 10,623,543 km (0.079 R)
• M14: 11,303,316 km (0.119 R)
• M15: 12,410,490 km (0.071 R)
• M16: 12,749,329 km (0.102 R)
• M17: 14,388,772 km (0.105 R)
• M18: 20,991,872 km (0.059 R)
• M19: 24,201,644 km (0.118 R)
• M20: 36,591,789 km (0.072 R)
• M21: 38,423,316 km (0.067 R)
• M22: 38,854,606 km (0.088 R)
• M23: 40,760,483 km (0.115 R)
• M24: 41,359,174 km (0.081 R)
• M25: 42,574,357 km (0.094 R)
• M26: 43,813,028 km (0.108 R)
• M27: 53,164,390 km (0.079 R)
• M28: 57,549,254 km (0.113 R)
• M29: 59,253,772 km (0.115 R)
• M30: 61,775,094 km (0.086 R)
• M31: 63,762,502 km (0.119 R)
• M32: 65,178,745 km (0.086 R)
• M33: 68,074,062 km (0.099 R)
• M34: 72,138,936 km (0.056 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: 454 - 13,507 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit