🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.49 AU - 0.73 AU

Year: 171 Days

Day: 34.1 Hours

Environment

Temp: 156 °C

Axial Tilt: 30 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.91

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.63 AU - 0.95 AU

Year: 251 Days

Day: 16.3 Hours

Environment

Temp: 200 °C

Axial Tilt: 4.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.21 AU - 1.29 AU

Year: 501 Days

Day: 38.7 Hours

Environment

Temp: 21 °C

Axial Tilt: 3.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 49,953,357 km

• M1: 48,320 km (0.119 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.54 AU - 3.12 AU

Year: 1705 Days

Day: 17.4 Hours

Environment

Temp: -85 °C

Axial Tilt: 47.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.91

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 3.84 AU - 5.32 AU

Year: 3511 Days

Day: 47.8 Hours

Environment

Temp: -136 °C

Axial Tilt: 32.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,953,357 km

• M1: 175,927 km (0.092 R)

Asteroid Belt

Center: 5.26 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.2

Radius: 15

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 5.76 AU - 6.1 AU

Year: 5172 Days

Day: 12.8 Hours

Environment

Temp: -139 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 49,953,357 km

• M1: 252,671 km (0.067 R)
• M2: 447,746 km (0.073 R)
• M3: 558,898 km (0.108 R)
• M4: 737,368 km (0.082 R)
• M5: 1,000,511 km (0.099 R)
• M6: 1,144,274 km (0.116 R)
• M7: 1,239,718 km (0.075 R)
• M8: 1,410,409 km (0.105 R)
• M9: 1,543,850 km (0.113 R)
• M10: 1,650,663 km (0.051 R)
• M11: 1,792,033 km (0.114 R)
• M12: 2,363,796 km (0.103 R)
• M13: 2,933,465 km (0.114 R)
• M14: 3,303,719 km (0.063 R)
• M15: 3,423,846 km (0.067 R)
• M16: 3,545,470 km (0.093 R)
• M17: 3,814,147 km (0.086 R)
• M18: 3,982,894 km (0.076 R)
• M19: 4,306,025 km (0.108 R)
• M20: 4,818,248 km (0.107 R)
• M21: 5,139,734 km (0.108 R)
• M22: 5,397,342 km (0.066 R)
• M23: 5,611,267 km (0.089 R)
• M24: 5,779,714 km (0.105 R)
• M25: 5,876,653 km (0.098 R)
• M26: 6,270,096 km (0.087 R)
• M27: 6,470,108 km (0.087 R)
• M28: 6,621,501 km (0.113 R)
• M29: 7,082,861 km (0.074 R)
• M30: 7,265,221 km (0.068 R)
• M31: 7,687,685 km (0.06 R)
• M32: 7,875,131 km (0.091 R)
• M33: 8,419,069 km (0.072 R)
• M34: 9,314,562 km (0.073 R)
• M35: 9,947,959 km (0.109 R)
• M36: 10,417,397 km (0.091 R)
• M37: 11,014,442 km (0.08 R)
• M38: 11,408,483 km (0.054 R)
• M39: 11,745,677 km (0.097 R)
• M40: 12,086,012 km (0.066 R)
• M41: 12,461,203 km (0.116 R)
• M42: 12,903,714 km (0.052 R)
• M43: 13,836,756 km (0.053 R)
• M44: 14,525,953 km (0.109 R)
• M45: 15,428,627 km (0.09 R)
• M46: 15,835,683 km (0.113 R)
• M47: 16,143,256 km (0.104 R)
• M48: 16,383,959 km (0.099 R)
• M49: 16,695,122 km (0.061 R)
• M50: 17,569,672 km (0.034 R)
• M51: 18,173,000 km (0.047 R)
• M52: 18,819,113 km (0.058 R)
• M53: 19,072,382 km (0.053 R)
• M54: 19,217,791 km (0.08 R)
• M55: 19,546,009 km (0.12 R)
• M56: 20,282,031 km (0.07 R)
• M57: 20,690,732 km (0.116 R)
• M58: 21,177,224 km (0.052 R)
• M59: 21,440,816 km (0.064 R)
• M60: 22,505,952 km (0.106 R)
• M61: 22,813,376 km (0.066 R)
• M62: 22,929,165 km (0.091 R)
• M63: 24,214,360 km (0.043 R)
• M64: 24,727,182 km (0.073 R)
• M65: 25,084,272 km (0.095 R)
• M66: 25,883,872 km (0.112 R)
• M67: 26,408,213 km (0.108 R)
• M68: 26,529,686 km (0.094 R)
• M69: 26,651,459 km (0.09 R)
• M70: 26,976,834 km (0.088 R)
• M71: 27,344,396 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.9

Radius: 13.8

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 5.13 AU - 8.33 AU

Year: 6253 Days

Day: 8.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (60)

Outer Limit: 49,953,357 km

• M1: 332,855 km (0.084 R)
• M2: 524,041 km (0.113 R)
• M3: 901,626 km (0.094 R)
• M4: 1,087,726 km (0.099 R)
• M5: 1,191,697 km (0.058 R)
• M6: 1,435,990 km (0.112 R)
• M7: 1,603,839 km (0.071 R)
• M8: 1,931,608 km (0.049 R)
• M9: 2,494,395 km (0.092 R)
• M10: 2,603,601 km (0.12 R)
• M11: 2,714,603 km (0.109 R)
• M12: 2,827,101 km (0.077 R)
• M13: 3,007,216 km (0.106 R)
• M14: 3,258,990 km (0.088 R)
• M15: 3,413,524 km (0.038 R)
• M16: 3,623,410 km (0.025 R)
• M17: 4,259,949 km (0.077 R)
• M18: 4,372,746 km (0.076 R)
• M19: 4,486,440 km (0.104 R)
• M20: 4,970,988 km (0.106 R)
• M21: 5,350,517 km (0.083 R)
• M22: 5,472,290 km (0.072 R)
• M23: 5,885,330 km (0.064 R)
• M24: 6,180,486 km (0.081 R)
• M25: 6,351,327 km (0.093 R)
• M26: 7,432,022 km (0.1 R)
• M27: 7,568,306 km (0.085 R)
• M28: 8,498,057 km (0.036 R)
• M29: 8,616,837 km (0.101 R)
• M30: 8,831,959 km (0.101 R)
• M31: 9,049,026 km (0.1 R)
• M32: 9,194,584 km (0.073 R)
• M33: 9,316,656 km (0.11 R)
• M34: 9,636,347 km (0.073 R)
• M35: 10,034,876 km (0.115 R)
• M36: 10,848,090 km (0.112 R)
• M37: 11,210,565 km (0.065 R)
• M38: 11,498,092 km (0.044 R)
• M39: 11,841,270 km (0.118 R)
• M40: 13,082,184 km (0.1 R)
• M41: 14,506,206 km (0.047 R)
• M42: 14,934,355 km (0.093 R)
• M43: 15,106,692 km (0.117 R)
• M44: 15,222,032 km (0.12 R)
• M45: 15,453,610 km (0.099 R)
• M46: 15,686,384 km (0.117 R)
• M47: 15,773,899 km (0.045 R)
• M48: 16,037,640 km (0.078 R)
• M49: 16,986,988 km (0.106 R)
• M50: 17,711,042 km (0.062 R)
• M51: 17,863,183 km (0.087 R)
• M52: 18,692,254 km (0.104 R)
• M53: 18,940,287 km (0.108 R)
• M54: 19,283,016 km (0.119 R)
• M55: 19,565,158 km (0.082 R)
• M56: 19,816,931 km (0.03 R)
• M57: 19,911,776 km (0.054 R)
• M58: 21,028,075 km (0.032 R)
• M59: 21,610,011 km (0.12 R)
• M60: 21,870,461 km (0.084 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.8

Radius: 13.4

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 6.33 AU - 8.39 AU

Year: 7151 Days

Day: 6.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 49,953,357 km

• M1: 184,753 km (0.107 R)
• M2: 311,463 km (0.108 R)
• M3: 461,659 km (0.036 R)
• M4: 918,980 km (0.078 R)
• M5: 1,057,358 km (0.085 R)
• M6: 1,263,504 km (0.112 R)
• M7: 1,716,636 km (0.083 R)
• M8: 2,052,483 km (0.062 R)
• M9: 2,181,735 km (0.111 R)
• M10: 2,665,684 km (0.101 R)
• M11: 3,464,986 km (0.116 R)
• M12: 3,664,849 km (0.053 R)
• M13: 3,891,340 km (0.117 R)
• M14: 4,550,618 km (0.118 R)
• M15: 4,745,394 km (0.118 R)
• M16: 4,967,996 km (0.099 R)
• M17: 5,118,192 km (0.119 R)
• M18: 5,270,034 km (0.079 R)
• M19: 5,656,295 km (0.102 R)
• M20: 6,212,500 km (0.101 R)
• M21: 6,758,682 km (0.052 R)
• M22: 7,235,002 km (0.087 R)
• M23: 7,520,435 km (0.04 R)
• M24: 7,635,625 km (0.064 R)
• M25: 7,867,801 km (0.104 R)
• M26: 8,850,210 km (0.041 R)
• M27: 9,620,190 km (0.066 R)
• M28: 9,839,650 km (0.092 R)
• M29: 10,219,779 km (0.052 R)
• M30: 10,864,097 km (0.1 R)
• M31: 11,821,822 km (0.115 R)
• M32: 12,737,660 km (0.115 R)
• M33: 12,909,847 km (0.105 R)
• M34: 13,256,466 km (0.068 R)
• M35: 14,207,459 km (0.069 R)
• M36: 14,529,394 km (0.079 R)
• M37: 14,637,254 km (0.084 R)
• M38: 14,781,616 km (0.105 R)
• M39: 14,998,832 km (0.078 R)
• M40: 15,436,406 km (0.1 R)
• M41: 16,138,020 km (0.079 R)
• M42: 16,436,468 km (0.106 R)
• M43: 16,548,965 km (0.11 R)
• M44: 17,077,046 km (0.032 R)
• M45: 18,421,183 km (0.064 R)
• M46: 18,655,154 km (0.098 R)
• M47: 18,811,483 km (0.119 R)
• M48: 19,441,739 km (0.09 R)
• M49: 19,679,899 km (0.039 R)
• M50: 20,038,934 km (0.115 R)
• M51: 20,440,305 km (0.114 R)
• M52: 20,682,504 km (0.108 R)
• M53: 20,844,519 km (0.071 R)
• M54: 20,966,291 km (0.078 R)
• M55: 21,660,575 km (0.088 R)
• M56: 22,114,006 km (0.117 R)
• M57: 22,820,856 km (0.118 R)
• M58: 23,114,068 km (0.118 R)
• M59: 23,240,029 km (0.066 R)
• M60: 23,619,559 km (0.1 R)
• M61: 24,470,322 km (0.08 R)
• M62: 25,374,342 km (0.073 R)
• M63: 25,591,259 km (0.061 R)
• M64: 26,640,838 km (0.115 R)
• M65: 26,817,064 km (0.092 R)
• M66: 27,170,863 km (0.08 R)
• M67: 27,838,369 km (0.111 R)
• M68: 28,646,496 km (0.094 R)
• M69: 29,144,208 km (0.11 R)
• M70: 29,235,014 km (0.09 R)
• M71: 29,736,018 km (0.065 R)
• M72: 29,918,826 km (0.058 R)
• M73: 30,423,869 km (0.099 R)
• M74: 30,746,551 km (0.04 R)
• M75: 30,839,003 km (0.084 R)

Planet 9 - Gas Giant

Semi-Major Axis: 12.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.3

Radius: 13.2

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 11.92 AU - 13.56 AU

Year: 16286 Days

Day: 5.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 49,953,357 km

• M1: 168,597 km (0.115 R)
• M2: 274,512 km (0.059 R)
• M3: 397,482 km (0.111 R)
• M4: 623,674 km (0.078 R)
• M5: 737,667 km (0.109 R)
• M6: 1,008,439 km (0.086 R)
• M7: 1,599,052 km (0.099 R)
• M8: 1,809,985 km (0.077 R)
• M9: 1,980,676 km (0.094 R)
• M10: 3,085,606 km (0.108 R)
• M11: 3,173,120 km (0.1 R)
• M12: 3,531,557 km (0.08 R)
• M13: 3,654,078 km (0.046 R)
• M14: 3,903,308 km (0.101 R)
• M15: 4,061,881 km (0.086 R)
• M16: 4,385,761 km (0.076 R)
• M17: 4,785,486 km (0.063 R)
• M18: 5,266,892 km (0.084 R)
• M19: 5,981,671 km (0.066 R)
• M20: 6,650,972 km (0.12 R)
• M21: 6,803,113 km (0.047 R)
• M22: 7,110,686 km (0.119 R)
• M23: 7,501,585 km (0.11 R)
• M24: 7,620,216 km (0.118 R)
• M25: 8,345,317 km (0.108 R)
• M26: 8,468,436 km (0.066 R)
• M27: 8,674,732 km (0.11 R)
• M28: 9,346,426 km (0.117 R)
• M29: 11,279,081 km (0.12 R)
• M30: 12,058,037 km (0.081 R)
• M31: 12,665,554 km (0.109 R)
• M32: 13,619,689 km (0.094 R)
• M33: 14,252,189 km (0.08 R)
• M34: 14,547,346 km (0.105 R)
• M35: 15,093,827 km (0.085 R)
• M36: 15,849,894 km (0.101 R)
• M37: 16,669,990 km (0.104 R)
• M38: 18,351,320 km (0.029 R)
• M39: 18,887,928 km (0.077 R)
• M40: 19,320,715 km (0.054 R)
• M41: 19,483,926 km (0.05 R)
• M42: 19,647,586 km (0.067 R)
• M43: 19,921,350 km (0.094 R)
• M44: 20,031,304 km (0.047 R)
• M45: 20,196,461 km (0.092 R)
• M46: 20,362,065 km (0.112 R)
• M47: 20,973,173 km (0.099 R)
• M48: 21,253,070 km (0.095 R)
• M49: 21,873,004 km (0.05 R)
• M50: 22,270,635 km (0.086 R)
• M51: 22,556,068 km (0.1 R)
• M52: 24,235,753 km (0.083 R)
• M53: 25,656,184 km (0.045 R)
• M54: 25,835,702 km (0.088 R)
• M55: 25,955,530 km (0.068 R)
• M56: 26,799,860 km (0.115 R)
• M57: 27,225,316 km (0.115 R)
• M58: 28,268,014 km (0.068 R)
• M59: 28,639,166 km (0.113 R)
• M60: 29,261,344 km (0.115 R)
• M61: 29,762,347 km (0.074 R)
• M62: 30,013,821 km (0.048 R)
• M63: 30,709,152 km (0.042 R)
• M64: 31,987,166 km (0.098 R)
• M65: 33,478,208 km (0.047 R)
• M66: 34,067,773 km (0.117 R)
• M67: 34,199,270 km (0.102 R)
• M68: 34,330,916 km (0.115 R)
• M69: 34,594,807 km (0.1 R)
• M70: 35,257,376 km (0.038 R)
• M71: 35,991,004 km (0.12 R)
• M72: 36,259,083 km (0.111 R)
• M73: 37,067,061 km (0.093 R)
• M74: 38,358,689 km (0.052 R)
• M75: 38,975,631 km (0.115 R)
• M76: 40,636,915 km (0.1 R)
• M77: 41,827,565 km (0.07 R)
• M78: 42,462,608 km (0.088 R)
• M79: 42,745,796 km (0.086 R)
• M80: 45,250,962 km (0.042 R)
• M81: 46,922,868 km (0.114 R)
• M82: 47,215,781 km (0.08 R)
• M83: 47,362,387 km (0.031 R)
• M84: 47,876,854 km (0.097 R)
• M85: 48,615,119 km (0.118 R)
• M86: 48,763,221 km (0.083 R)
• M87: 49,878,623 km (0.086 R)

Kuiper Belt

Range: 30.6 - 51.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 366 - 11,647 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit