🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.48 AU - 0.56 AU

Year: 238 Days

Day: 43.1 Hours

Environment

Temp: -111 °C

Axial Tilt: 49.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.49 AU - 0.61 AU

Year: 259 Days

Day: 44 Hours

Environment

Temp: -129 °C

Axial Tilt: 24.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.5

Radius: 12.6

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.89 AU - 0.95 AU

Year: 561 Days

Day: 8.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 28,453,868 km

• M1: 190,887 km (0.106 R)
• M2: 300,692 km (0.042 R)
• M3: 415,732 km (0.074 R)
• M4: 572,212 km (0.08 R)
• M5: 695,481 km (0.113 R)
• M6: 789,877 km (0.11 R)
• M7: 914,941 km (0.119 R)
• M8: 1,085,333 km (0.077 R)
• M9: 1,197,681 km (0.036 R)
• M10: 1,302,249 km (0.104 R)
• M11: 1,578,108 km (0.026 R)
• M12: 1,661,284 km (0.066 R)
• M13: 1,785,899 km (0.029 R)
• M14: 2,016,729 km (0.061 R)
• M15: 2,107,684 km (0.08 R)
• M16: 2,301,264 km (0.095 R)
• M17: 2,396,558 km (0.086 R)
• M18: 2,530,747 km (0.111 R)
• M19: 2,652,221 km (0.095 R)
• M20: 2,861,658 km (0.095 R)
• M21: 2,956,652 km (0.115 R)
• M22: 3,084,858 km (0.03 R)
• M23: 3,182,246 km (0.059 R)
• M24: 3,322,120 km (0.106 R)
• M25: 3,438,806 km (0.066 R)
• M26: 3,565,366 km (0.06 R)
• M27: 3,659,314 km (0.105 R)
• M28: 3,797,243 km (0.087 R)
• M29: 3,928,290 km (0.1 R)
• M30: 4,007,577 km (0.073 R)
• M31: 4,394,138 km (0.065 R)
• M32: 4,476,567 km (0.096 R)
• M33: 4,559,594 km (0.098 R)
• M34: 4,643,069 km (0.079 R)
• M35: 4,774,117 km (0.086 R)
• M36: 4,887,362 km (0.12 R)
• M37: 5,020,505 km (0.114 R)
• M38: 5,427,560 km (0.099 R)
• M39: 5,724,961 km (0.114 R)
• M40: 5,815,318 km (0.069 R)
• M41: 5,997,229 km (0.111 R)
• M42: 6,335,769 km (0.098 R)
• M43: 6,471,005 km (0.088 R)
• M44: 6,628,083 km (0.087 R)
• M45: 6,733,550 km (0.081 R)
• M46: 6,892,722 km (0.077 R)
• M47: 7,171,722 km (0.096 R)
• M48: 7,290,951 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.8

Radius: 11.5

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.15 AU - 1.79 AU

Year: 1133 Days

Day: 8.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 28,453,868 km

• M1: 149,448 km (0.102 R)
• M2: 225,145 km (0.042 R)
• M3: 298,597 km (0.066 R)
• M4: 371,900 km (0.118 R)
• M5: 481,855 km (0.084 R)
• M6: 750,832 km (0.099 R)
• M7: 825,780 km (0.079 R)
• M8: 1,061,846 km (0.086 R)
• M9: 1,141,731 km (0.064 R)
• M10: 1,283,699 km (0.07 R)
• M11: 1,431,801 km (0.101 R)
• M12: 1,527,394 km (0.088 R)
• M13: 1,618,649 km (0.101 R)
• M14: 1,931,757 km (0.093 R)
• M15: 2,146,580 km (0.043 R)
• M16: 2,309,193 km (0.06 R)
• M17: 2,384,440 km (0.038 R)
• M18: 2,475,994 km (0.107 R)
• M19: 2,607,640 km (0.097 R)
• M20: 2,789,551 km (0.114 R)
• M21: 2,910,576 km (0.112 R)
• M22: 3,091,141 km (0.119 R)
• M23: 3,216,504 km (0.115 R)
• M24: 3,334,985 km (0.112 R)
• M25: 3,420,555 km (0.088 R)
• M26: 3,593,939 km (0.095 R)
• M27: 3,699,406 km (0.12 R)
• M28: 3,823,871 km (0.107 R)
• M29: 3,895,529 km (0.091 R)
• M30: 4,040,339 km (0.104 R)
• M31: 4,186,945 km (0.051 R)
• M32: 4,307,371 km (0.112 R)
• M33: 4,580,238 km (0.115 R)
• M34: 4,810,320 km (0.069 R)
• M35: 4,887,961 km (0.106 R)
• M36: 5,252,232 km (0.082 R)
• M37: 5,332,117 km (0.074 R)
• M38: 5,513,430 km (0.051 R)
• M39: 5,934,248 km (0.095 R)
• M40: 6,069,784 km (0.099 R)
• M41: 6,301,661 km (0.116 R)
• M42: 6,376,011 km (0.096 R)
• M43: 6,514,987 km (0.07 R)
• M44: 6,719,936 km (0.118 R)
• M45: 6,872,227 km (0.11 R)
• M46: 7,091,986 km (0.032 R)
• M47: 7,302,770 km (0.119 R)
• M48: 7,436,959 km (0.082 R)
• M49: 7,617,374 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.9

Radius: 10.5

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.14 AU - 3.26 AU

Year: 2821 Days

Day: 11.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 28,453,868 km

• M1: 132,544 km (0.053 R)
• M2: 205,398 km (0.117 R)
• M3: 302,188 km (0.106 R)
• M4: 422,464 km (0.076 R)
• M5: 606,769 km (0.1 R)
• M6: 680,820 km (0.112 R)
• M7: 778,358 km (0.075 R)
• M8: 1,503,010 km (0.094 R)
• M9: 1,906,475 km (0.089 R)
• M10: 2,164,681 km (0.085 R)
• M11: 2,388,779 km (0.108 R)
• M12: 2,526,708 km (0.114 R)
• M13: 2,956,952 km (0.084 R)
• M14: 3,039,230 km (0.027 R)
• M15: 3,444,790 km (0.073 R)
• M16: 4,103,619 km (0.091 R)
• M17: 4,344,322 km (0.086 R)
• M18: 5,293,072 km (0.075 R)
• M19: 5,534,972 km (0.092 R)
• M20: 5,884,133 km (0.04 R)
• M21: 5,967,309 km (0.073 R)
• M22: 6,517,530 km (0.04 R)
• M23: 6,690,166 km (0.103 R)
• M24: 7,084,058 km (0.101 R)
• M25: 7,463,139 km (0.094 R)
• M26: 7,643,853 km (0.073 R)
• M27: 7,780,286 km (0.102 R)
• M28: 8,009,470 km (0.11 R)
• M29: 8,217,710 km (0.115 R)
• M30: 8,996,666 km (0.08 R)
• M31: 9,068,623 km (0.051 R)
• M32: 9,261,455 km (0.099 R)
• M33: 9,334,159 km (0.052 R)
• M34: 9,407,163 km (0.112 R)
• M35: 9,528,936 km (0.056 R)
• M36: 9,823,643 km (0.061 R)
• M37: 10,221,275 km (0.071 R)
• M38: 11,186,779 km (0.095 R)
• M39: 11,549,853 km (0.102 R)
• M40: 11,706,632 km (0.115 R)
• M41: 12,501,146 km (0.115 R)
• M42: 12,904,911 km (0.057 R)
• M43: 13,285,787 km (0.066 R)
• M44: 13,395,293 km (0.096 R)
• M45: 13,477,571 km (0.037 R)
• M46: 13,697,779 km (0.082 R)
• M47: 14,534,630 km (0.045 R)
• M48: 15,273,195 km (0.112 R)
• M49: 15,704,784 km (0.095 R)
• M50: 15,849,595 km (0.07 R)
• M51: 15,936,661 km (0.099 R)
• M52: 16,111,391 km (0.106 R)
• M53: 16,580,231 km (0.119 R)
• M54: 17,113,099 km (0.056 R)
• M55: 17,202,409 km (0.093 R)
• M56: 17,681,571 km (0.092 R)
• M57: 17,922,872 km (0.051 R)
• M58: 18,013,678 km (0.047 R)
• M59: 18,104,484 km (0.084 R)
• M60: 18,347,730 km (0.112 R)
• M61: 18,622,541 km (0.03 R)
• M62: 18,837,214 km (0.113 R)
• M63: 19,269,253 km (0.12 R)
• M64: 19,673,167 km (0.035 R)
• M65: 19,891,879 km (0.083 R)
• M66: 20,111,339 km (0.102 R)
• M67: 20,933,828 km (0.109 R)
• M68: 21,157,028 km (0.119 R)
• M69: 21,541,645 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 34.3

Radius: 6.2

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 7.84 AU - 12.38 AU

Year: 20439 Days

Day: 15.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 28,453,868 km

• M1: 87,066 km (0.119 R)
• M2: 347,965 km (0.06 R)
• M3: 547,379 km (0.119 R)
• M4: 613,950 km (0.118 R)
• M5: 671,694 km (0.11 R)
• M6: 731,234 km (0.085 R)
• M7: 792,719 km (0.052 R)
• M8: 843,283 km (0.099 R)
• M9: 974,481 km (0.104 R)
• M10: 1,169,407 km (0.118 R)
• M11: 1,271,432 km (0.118 R)
• M12: 1,407,118 km (0.104 R)
• M13: 1,859,202 km (0.08 R)
• M14: 1,961,677 km (0.11 R)
• M15: 2,208,214 km (0.108 R)
• M16: 2,464,475 km (0.119 R)
• M17: 2,653,417 km (0.101 R)
• M18: 3,045,364 km (0.116 R)
• M19: 3,371,936 km (0.058 R)
• M20: 3,497,299 km (0.092 R)
• M21: 4,058,291 km (0.036 R)
• M22: 4,102,572 km (0.113 R)
• M23: 4,281,491 km (0.069 R)
• M24: 5,022,449 km (0.107 R)
• M25: 5,141,828 km (0.111 R)
• M26: 5,189,849 km (0.115 R)
• M27: 5,480,967 km (0.107 R)
• M28: 5,628,620 km (0.099 R)
• M29: 5,852,418 km (0.085 R)
• M30: 5,978,081 km (0.069 R)
• M31: 7,336,878 km (0.12 R)
• M32: 7,581,321 km (0.049 R)
• M33: 7,773,405 km (0.068 R)
• M34: 8,359,230 km (0.057 R)
• M35: 8,586,170 km (0.116 R)
• M36: 8,815,055 km (0.093 R)
• M37: 9,721,019 km (0.078 R)
• M38: 10,139,893 km (0.105 R)
• M39: 12,385,357 km (0.102 R)
• M40: 12,871,700 km (0.046 R)
• M41: 13,430,598 km (0.065 R)
• M42: 14,436,045 km (0.078 R)
• M43: 14,879,303 km (0.107 R)
• M44: 15,223,229 km (0.096 R)
• M45: 15,534,991 km (0.113 R)
• M46: 15,884,003 km (0.064 R)
• M47: 16,910,394 km (0.065 R)
• M48: 17,017,805 km (0.068 R)
• M49: 17,522,099 km (0.065 R)
• M50: 18,693,002 km (0.108 R)
• M51: 18,804,004 km (0.102 R)
• M52: 19,888,887 km (0.1 R)
• M53: 20,040,131 km (0.052 R)
• M54: 22,158,137 km (0.08 R)
• M55: 22,393,455 km (0.072 R)
• M56: 23,342,953 km (0.115 R)
• M57: 23,502,424 km (0.029 R)
• M58: 26,021,203 km (0.091 R)
• M59: 26,186,658 km (0.081 R)
• M60: 26,726,707 km (0.103 R)
• M61: 26,977,134 km (0.101 R)
• M62: 27,102,796 km (0.054 R)
• M63: 27,270,495 km (0.069 R)
• M64: 28,029,255 km (0.094 R)
• M65: 28,071,592 km (0.105 R)
• M66: 28,241,236 km (0.115 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 500 - 14,405 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit