🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.44 AU - 0.6 AU

Year: 138 Days

Day: 23.1 Hours

Environment

Temp: 175 °C

Axial Tilt: 20.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 53,975,145 km

• M1: 301,889 km (0.116 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.63 AU - 0.67 AU

Year: 192 Days

Day: 21.7 Hours

Environment

Temp: 202 °C

Axial Tilt: 11.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 53,975,145 km

• M1: 172,935 km (0.098 R)
• M2: 415,583 km (0.066 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.38 AU - 1.44 AU

Year: 615 Days

Day: 23.4 Hours

Environment

Temp: -38 °C

Axial Tilt: 12.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.16 AU - 1.84 AU

Year: 674 Days

Day: 30.8 Hours

Environment

Temp: -32 °C

Axial Tilt: 25.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.52 AU - 1.62 AU

Year: 722 Days

Day: 35.2 Hours

Environment

Temp: -34 °C

Axial Tilt: 45.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.93

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.42 AU - 2.34 AU

Year: 946 Days

Day: 20.1 Hours

Environment

Temp: -63 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 53,975,145 km

• M1: 1,164,171 km (0.109 R)

Asteroid Belt

Center: 3.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.8

Radius: 13.4

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 3.58 AU - 5.88 AU

Year: 3776 Days

Day: 13.1 Hours

Environment

Temp: -134 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 53,975,145 km

• M1: 170,542 km (0.11 R)
• M2: 403,017 km (0.1 R)
• M3: 491,728 km (0.103 R)
• M4: 584,628 km (0.084 R)
• M5: 819,198 km (0.103 R)
• M6: 929,003 km (0.095 R)
• M7: 1,284,447 km (0.076 R)
• M8: 1,461,571 km (0.082 R)
• M9: 1,696,739 km (0.088 R)
• M10: 1,855,612 km (0.076 R)
• M11: 1,996,982 km (0.075 R)
• M12: 2,150,021 km (0.096 R)
• M13: 2,259,377 km (0.091 R)
• M14: 2,419,147 km (0.113 R)
• M15: 2,516,835 km (0.095 R)
• M16: 2,733,153 km (0.096 R)
• M17: 2,903,844 km (0.097 R)
• M18: 3,184,490 km (0.073 R)
• M19: 3,301,027 km (0.096 R)
• M20: 3,603,514 km (0.112 R)
• M21: 4,049,914 km (0.065 R)
• M22: 4,147,302 km (0.111 R)
• M23: 4,255,311 km (0.078 R)
• M24: 4,404,012 km (0.068 R)
• M25: 4,514,265 km (0.112 R)
• M26: 4,830,066 km (0.118 R)
• M27: 5,173,992 km (0.092 R)
• M28: 5,269,286 km (0.055 R)
• M29: 5,472,290 km (0.074 R)
• M30: 5,612,763 km (0.106 R)
• M31: 5,754,432 km (0.105 R)
• M32: 5,853,166 km (0.088 R)
• M33: 5,985,710 km (0.087 R)
• M34: 6,220,130 km (0.116 R)
• M35: 6,412,214 km (0.11 R)
• M36: 6,583,353 km (0.063 R)
• M37: 6,871,928 km (0.113 R)
• M38: 7,105,899 km (0.091 R)
• M39: 7,641,758 km (0.109 R)
• M40: 8,006,328 km (0.111 R)
• M41: 8,501,348 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.4

Radius: 13.8

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 5.06 AU - 5.08 AU

Year: 4191 Days

Day: 10 Hours

Environment

Temp: -132 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 53,975,145 km

• M1: 253,419 km (0.117 R)
• M2: 372,050 km (0.109 R)
• M3: 814,560 km (0.097 R)
• M4: 987,795 km (0.084 R)
• M5: 1,123,181 km (0.096 R)
• M6: 1,226,104 km (0.068 R)
• M7: 1,373,009 km (0.094 R)
• M8: 1,483,861 km (0.105 R)
• M9: 1,820,307 km (0.04 R)
• M10: 2,052,932 km (0.12 R)
• M11: 2,378,756 km (0.12 R)
• M12: 2,651,772 km (0.092 R)
• M13: 2,863,154 km (0.072 R)
• M14: 3,284,421 km (0.119 R)
• M15: 3,397,517 km (0.055 R)
• M16: 3,512,109 km (0.048 R)
• M17: 3,804,124 km (0.118 R)
• M18: 3,983,343 km (0.086 R)
• M19: 4,124,563 km (0.063 R)
• M20: 4,247,084 km (0.108 R)
• M21: 4,579,640 km (0.117 R)
• M22: 4,727,891 km (0.106 R)
• M23: 4,834,704 km (0.109 R)
• M24: 5,138,238 km (0.098 R)
• M25: 5,947,563 km (0.117 R)
• M26: 6,580,810 km (0.075 R)
• M27: 7,161,848 km (0.11 R)
• M28: 7,658,663 km (0.069 R)
• M29: 7,809,906 km (0.106 R)
• M30: 8,218,159 km (0.111 R)
• M31: 8,843,628 km (0.112 R)
• M32: 9,055,458 km (0.07 R)
• M33: 9,430,500 km (0.089 R)
• M34: 9,619,891 km (0.102 R)
• M35: 10,030,088 km (0.098 R)
• M36: 10,251,194 km (0.085 R)
• M37: 10,473,945 km (0.105 R)
• M38: 10,895,961 km (0.092 R)
• M39: 11,525,020 km (0.104 R)
• M40: 11,727,575 km (0.09 R)
• M41: 12,048,463 km (0.052 R)
• M42: 13,391,104 km (0.117 R)
• M43: 13,512,727 km (0.107 R)
• M44: 13,818,505 km (0.108 R)
• M45: 13,972,292 km (0.087 R)
• M46: 14,250,394 km (0.076 R)
• M47: 14,530,441 km (0.034 R)
• M48: 15,064,356 km (0.106 R)
• M49: 16,411,036 km (0.063 R)
• M50: 16,868,357 km (0.068 R)
• M51: 16,966,942 km (0.101 R)
• M52: 17,396,288 km (0.069 R)
• M53: 17,595,702 km (0.096 R)
• M54: 17,695,633 km (0.067 R)
• M55: 17,829,373 km (0.096 R)
• M56: 18,807,893 km (0.077 R)
• M57: 19,183,833 km (0.101 R)
• M58: 19,458,644 km (0.116 R)
• M59: 20,186,437 km (0.086 R)
• M60: 20,466,036 km (0.091 R)
• M61: 20,887,752 km (0.11 R)
• M62: 21,561,541 km (0.061 R)
• M63: 21,775,765 km (0.039 R)
• M64: 22,062,544 km (0.102 R)
• M65: 22,458,979 km (0.062 R)
• M66: 22,639,992 km (0.099 R)
• M67: 22,966,864 km (0.104 R)
• M68: 23,222,227 km (0.114 R)
• M69: 23,625,393 km (0.112 R)
• M70: 23,735,797 km (0.055 R)
• M71: 23,883,300 km (0.096 R)
• M72: 24,848,954 km (0.063 R)
• M73: 25,186,298 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 120

Radius: 7.8

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 16.43 AU - 20.01 AU

Year: 28549 Days

Day: 16.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 53,975,145 km

• M1: 105,915 km (0.113 R)
• M2: 238,160 km (0.074 R)
• M3: 363,074 km (0.104 R)
• M4: 511,924 km (0.065 R)
• M5: 611,257 km (0.098 R)
• M6: 1,116,299 km (0.109 R)
• M7: 1,181,524 km (0.091 R)
• M8: 1,479,523 km (0.085 R)
• M9: 2,116,511 km (0.096 R)
• M10: 2,364,694 km (0.113 R)
• M11: 2,593,279 km (0.067 R)
• M12: 2,680,943 km (0.09 R)
• M13: 2,739,885 km (0.106 R)
• M14: 3,041,175 km (0.072 R)
• M15: 3,289,807 km (0.097 R)
• M16: 3,512,857 km (0.096 R)
• M17: 4,041,237 km (0.049 R)
• M18: 4,418,972 km (0.101 R)
• M19: 4,879,883 km (0.026 R)
• M20: 6,273,985 km (0.082 R)
• M21: 6,994,000 km (0.103 R)
• M22: 7,655,970 km (0.104 R)
• M23: 8,079,631 km (0.117 R)
• M24: 8,424,305 km (0.041 R)
• M25: 8,817,598 km (0.091 R)
• M26: 9,758,718 km (0.111 R)
• M27: 11,110,035 km (0.06 R)
• M28: 11,637,817 km (0.116 R)
• M29: 14,241,568 km (0.103 R)
• M30: 14,605,240 km (0.109 R)
• M31: 16,415,374 km (0.108 R)
• M32: 16,796,849 km (0.092 R)
• M33: 17,181,166 km (0.044 R)
• M34: 17,401,972 km (0.118 R)
• M35: 17,457,324 km (0.107 R)
• M36: 17,568,325 km (0.088 R)
• M37: 17,679,476 km (0.09 R)
• M38: 18,126,475 km (0.086 R)
• M39: 18,464,117 km (0.113 R)
• M40: 19,893,525 km (0.048 R)
• M41: 20,067,358 km (0.115 R)
• M42: 20,125,551 km (0.103 R)
• M43: 20,183,595 km (0.064 R)
• M44: 20,416,818 km (0.12 R)
• M45: 20,768,074 km (0.084 R)
• M46: 21,774,419 km (0.116 R)
• M47: 21,953,637 km (0.106 R)
• M48: 22,013,476 km (0.05 R)
• M49: 22,554,572 km (0.092 R)
• M50: 22,857,208 km (0.046 R)
• M51: 24,638,171 km (0.08 R)
• M52: 25,012,166 km (0.107 R)
• M53: 26,463,415 km (0.102 R)
• M54: 26,590,872 km (0.108 R)
• M55: 26,654,601 km (0.105 R)
• M56: 26,910,413 km (0.111 R)
• M57: 28,201,443 km (0.074 R)
• M58: 28,396,817 km (0.114 R)
• M59: 28,462,042 km (0.088 R)
• M60: 28,789,063 km (0.092 R)
• M61: 29,051,458 km (0.112 R)
• M62: 31,112,019 km (0.099 R)
• M63: 32,807,860 km (0.113 R)
• M64: 33,013,258 km (0.074 R)
• M65: 34,812,322 km (0.053 R)
• M66: 35,512,590 km (0.1 R)
• M67: 37,498,352 km (0.094 R)
• M68: 37,784,832 km (0.026 R)
• M69: 37,856,639 km (0.115 R)
• M70: 38,576,803 km (0.087 R)
• M71: 38,649,059 km (0.112 R)
• M72: 39,083,641 km (0.045 R)
• M73: 40,176,902 km (0.107 R)
• M74: 40,396,811 km (0.057 R)
• M75: 40,543,716 km (0.092 R)
• M76: 40,690,621 km (0.056 R)
• M77: 41,576,240 km (0.119 R)
• M78: 42,095,943 km (0.085 R)
• M79: 43,742,717 km (0.108 R)
• M80: 44,195,549 km (0.093 R)
• M81: 44,422,639 km (0.059 R)
• M82: 44,498,335 km (0.051 R)
• M83: 45,105,852 km (0.028 R)
• M84: 45,334,438 km (0.105 R)
• M85: 45,563,323 km (0.102 R)
• M86: 47,331,121 km (0.105 R)
• M87: 49,277,987 km (0.089 R)
• M88: 49,434,916 km (0.051 R)
• M89: 50,063,975 km (0.12 R)
• M90: 51,012,724 km (0.065 R)
• M91: 52,607,138 km (0.027 R)
• M92: 53,008,210 km (0.069 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 213 - 10,568 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit