🌌 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: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.8

Radius: 0.91

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.39 AU - 0.63 AU

Year: 135 Days

Day: 38.5 Hours

Environment

Temp: 163 °C

Axial Tilt: 29.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 65,511,314 km

• M1: 25,132 km (0.052 R)
• M2: 126,709 km (0.086 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.28

Radius: 1.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.54 AU - 0.76 AU

Year: 194 Days

Day: 29.5 Hours

Environment

Temp: 117 °C

Axial Tilt: 11.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.84 AU - 1.34 AU

Year: 422 Days

Day: 39.7 Hours

Environment

Temp: 3 °C

Axial Tilt: 21.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 65,511,314 km

• M1: 47,871 km (0.085 R)
• M2: 245,041 km (0.08 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.45 AU - 1.51 AU

Year: 668 Days

Day: 25.5 Hours

Environment

Temp: -43 °C

Axial Tilt: 29.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 65,511,314 km

• M1: 447,148 km (0.089 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.69 AU - 2.73 AU

Year: 1218 Days

Day: 34.9 Hours

Environment

Temp: -84 °C

Axial Tilt: 28.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 65,511,314 km

• M1: 1,104,930 km (0.087 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.3 AU - 2.74 AU

Year: 1484 Days

Day: 41.2 Hours

Environment

Temp: -92 °C

Axial Tilt: 2.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.76 AU - 4.28 AU

Year: 2449 Days

Day: 45.3 Hours

Environment

Temp: -113 °C

Axial Tilt: 11.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.3

Radius: 12.8

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 3.92 AU - 5.56 AU

Year: 3827 Days

Day: 14.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 65,511,314 km

• M1: 185,501 km (0.102 R)
• M2: 353,949 km (0.104 R)
• M3: 435,629 km (0.047 R)
• M4: 584,778 km (0.052 R)
• M5: 765,193 km (0.098 R)
• M6: 965,505 km (0.098 R)
• M7: 1,066,334 km (0.118 R)
• M8: 1,184,217 km (0.116 R)
• M9: 1,293,124 km (0.05 R)
• M10: 1,377,048 km (0.04 R)
• M11: 1,550,881 km (0.03 R)
• M12: 1,671,008 km (0.117 R)
• M13: 2,099,905 km (0.074 R)
• M14: 2,336,120 km (0.107 R)
• M15: 3,115,376 km (0.074 R)
• M16: 3,269,013 km (0.073 R)
• M17: 3,704,342 km (0.083 R)
• M18: 3,991,271 km (0.047 R)
• M19: 4,413,586 km (0.111 R)
• M20: 4,564,979 km (0.058 R)
• M21: 4,761,999 km (0.109 R)
• M22: 5,789,438 km (0.101 R)
• M23: 6,243,617 km (0.072 R)
• M24: 7,135,669 km (0.071 R)
• M25: 7,441,896 km (0.098 R)
• M26: 7,596,580 km (0.105 R)
• M27: 8,333,050 km (0.104 R)
• M28: 9,092,259 km (0.094 R)
• M29: 9,424,516 km (0.092 R)
• M30: 10,215,141 km (0.077 R)
• M31: 10,416,201 km (0.083 R)
• M32: 11,027,158 km (0.055 R)
• M33: 11,292,545 km (0.096 R)
• M34: 11,411,176 km (0.064 R)
• M35: 12,040,983 km (0.119 R)
• M36: 12,283,780 km (0.055 R)
• M37: 12,497,705 km (0.102 R)
• M38: 12,620,525 km (0.098 R)
• M39: 12,712,827 km (0.103 R)
• M40: 13,053,312 km (0.077 R)
• M41: 13,302,841 km (0.109 R)
• M42: 13,428,354 km (0.086 R)
• M43: 13,648,711 km (0.067 R)
• M44: 13,870,266 km (0.075 R)
• M45: 14,445,470 km (0.062 R)
• M46: 15,191,813 km (0.104 R)
• M47: 15,950,873 km (0.12 R)
• M48: 16,217,756 km (0.09 R)
• M49: 16,857,586 km (0.072 R)
• M50: 16,993,271 km (0.11 R)
• M51: 17,129,405 km (0.118 R)
• M52: 17,368,462 km (0.112 R)
• M53: 17,471,386 km (0.102 R)
• M54: 18,510,642 km (0.117 R)
• M55: 18,615,660 km (0.094 R)
• M56: 19,037,825 km (0.118 R)
• M57: 19,320,864 km (0.058 R)
• M58: 19,641,153 km (0.099 R)
• M59: 20,467,532 km (0.099 R)
• M60: 20,794,104 km (0.045 R)
• M61: 21,268,628 km (0.097 R)
• M62: 22,377,597 km (0.107 R)
• M63: 22,864,090 km (0.117 R)
• M64: 23,165,081 km (0.103 R)
• M65: 23,278,326 km (0.114 R)
• M66: 23,771,102 km (0.051 R)
• M67: 24,076,132 km (0.117 R)
• M68: 24,805,721 km (0.057 R)
• M69: 25,698,670 km (0.085 R)
• M70: 25,894,045 km (0.11 R)
• M71: 26,325,934 km (0.068 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675

Radius: 9.6

Gravity: 7.32 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 4.19 AU - 5.79 AU

Year: 4134 Days

Day: 6.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 65,511,314 km

• M1: 141,819 km (0.119 R)
• M2: 223,499 km (0.041 R)
• M3: 330,163 km (0.1 R)
• M4: 536,009 km (0.058 R)
• M5: 607,367 km (0.067 R)
• M6: 866,770 km (0.091 R)
• M7: 1,133,653 km (0.103 R)
• M8: 1,269,936 km (0.089 R)
• M9: 1,727,407 km (0.056 R)
• M10: 1,982,621 km (0.086 R)
• M11: 2,233,047 km (0.112 R)
• M12: 2,336,270 km (0.081 R)
• M13: 2,493,946 km (0.106 R)
• M14: 2,673,314 km (0.037 R)
• M15: 3,159,507 km (0.068 R)
• M16: 3,334,387 km (0.071 R)
• M17: 3,572,547 km (0.111 R)
• M18: 4,044,378 km (0.041 R)
• M19: 4,362,872 km (0.09 R)
• M20: 5,091,863 km (0.081 R)
• M21: 5,343,337 km (0.113 R)
• M22: 5,575,513 km (0.111 R)
• M23: 6,194,549 km (0.033 R)
• M24: 6,340,556 km (0.056 R)
• M25: 6,860,558 km (0.101 R)
• M26: 7,317,281 km (0.117 R)
• M27: 7,523,277 km (0.059 R)
• M28: 7,731,368 km (0.105 R)
• M29: 7,862,415 km (0.047 R)
• M30: 8,100,126 km (0.094 R)
• M31: 8,313,453 km (0.092 R)
• M32: 8,393,937 km (0.086 R)
• M33: 8,772,868 km (0.104 R)
• M34: 9,296,012 km (0.075 R)
• M35: 9,435,437 km (0.061 R)
• M36: 9,688,108 km (0.095 R)
• M37: 10,430,562 km (0.105 R)
• M38: 10,837,917 km (0.065 R)
• M39: 11,073,085 km (0.048 R)
• M40: 11,369,438 km (0.104 R)
• M41: 11,758,542 km (0.074 R)
• M42: 13,107,765 km (0.076 R)
• M43: 13,421,173 km (0.096 R)
• M44: 13,578,849 km (0.04 R)
• M45: 14,023,604 km (0.099 R)
• M46: 14,119,645 km (0.088 R)
• M47: 14,280,014 km (0.08 R)
• M48: 14,797,174 km (0.074 R)
• M49: 14,862,249 km (0.105 R)
• M50: 15,058,073 km (0.063 R)
• M51: 15,222,032 km (0.109 R)
• M52: 15,518,386 km (0.08 R)
• M53: 16,083,566 km (0.106 R)
• M54: 16,926,999 km (0.098 R)
• M55: 17,234,123 km (0.096 R)
• M56: 17,302,639 km (0.115 R)
• M57: 17,508,636 km (0.097 R)
• M58: 17,957,878 km (0.095 R)
• M59: 18,097,004 km (0.091 R)
• M60: 18,516,028 km (0.103 R)
• M61: 19,363,948 km (0.051 R)
• M62: 19,506,515 km (0.112 R)
• M63: 19,613,777 km (0.084 R)
• M64: 19,792,696 km (0.083 R)
• M65: 20,188,382 km (0.091 R)
• M66: 20,878,178 km (0.106 R)
• M67: 21,097,638 km (0.115 R)
• M68: 21,723,406 km (0.055 R)
• M69: 21,871,508 km (0.107 R)
• M70: 22,168,759 km (0.094 R)
• M71: 22,317,908 km (0.101 R)
• M72: 23,485,220 km (0.106 R)
• M73: 23,865,947 km (0.102 R)
• M74: 24,517,894 km (0.118 R)
• M75: 25,020,393 km (0.03 R)
• M76: 25,682,663 km (0.055 R)

Planet 10 - Ice Giant

Semi-Major Axis: 14.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 453.6

Radius: 5.4

Gravity: 15.56 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 11.6 AU - 16.6 AU

Year: 19635 Days

Day: 16.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 65,511,314 km

• M1: 73,004 km (0.058 R)
• M2: 164,109 km (0.077 R)
• M3: 441,763 km (0.094 R)
• M4: 981,362 km (0.119 R)
• M5: 1,438,384 km (0.111 R)
• M6: 1,548,039 km (0.118 R)
• M7: 1,863,690 km (0.095 R)
• M8: 3,793,353 km (0.056 R)
• M9: 3,831,201 km (0.088 R)
• M10: 4,099,430 km (0.088 R)
• M11: 4,255,611 km (0.083 R)
• M12: 4,453,379 km (0.12 R)
• M13: 4,573,656 km (0.093 R)
• M14: 4,654,289 km (0.082 R)
• M15: 5,702,521 km (0.025 R)
• M16: 5,789,438 km (0.095 R)
• M17: 6,230,602 km (0.069 R)
• M18: 6,500,626 km (0.071 R)
• M19: 6,545,954 km (0.091 R)
• M20: 6,591,432 km (0.091 R)
• M21: 6,774,240 km (0.104 R)
• M22: 7,332,988 km (0.12 R)
• M23: 7,380,261 km (0.084 R)
• M24: 7,809,906 km (0.105 R)
• M25: 8,247,630 km (0.079 R)
• M26: 9,453,538 km (0.088 R)
• M27: 9,815,415 km (0.103 R)
• M28: 9,919,685 km (0.075 R)
• M29: 10,340,504 km (0.092 R)
• M30: 11,692,420 km (0.081 R)
• M31: 12,360,823 km (0.086 R)
• M32: 12,870,204 km (0.078 R)
• M33: 13,156,235 km (0.104 R)
• M34: 13,968,103 km (0.094 R)
• M35: 14,439,336 km (0.109 R)
• M36: 14,855,966 km (0.105 R)
• M37: 15,884,003 km (0.12 R)
• M38: 16,129,194 km (0.065 R)
• M39: 16,747,631 km (0.086 R)
• M40: 17,500,109 km (0.106 R)
• M41: 18,199,479 km (0.119 R)
• M42: 20,285,471 km (0.112 R)
• M43: 20,351,893 km (0.11 R)
• M44: 21,221,655 km (0.082 R)
• M45: 22,171,751 km (0.108 R)
• M46: 22,377,149 km (0.078 R)
• M47: 22,514,480 km (0.089 R)
• M48: 22,928,118 km (0.107 R)
• M49: 23,274,586 km (0.083 R)
• M50: 23,483,425 km (0.081 R)
• M51: 23,902,748 km (0.11 R)
• M52: 25,175,676 km (0.088 R)
• M53: 27,345,743 km (0.074 R)
• M54: 28,008,312 km (0.092 R)
• M55: 29,574,901 km (0.034 R)
• M56: 31,707,568 km (0.117 R)
• M57: 33,260,992 km (0.086 R)
• M58: 33,574,549 km (0.119 R)
• M59: 33,967,992 km (0.102 R)
• M60: 34,680,078 km (0.094 R)
• M61: 35,556,871 km (0.106 R)
• M62: 36,521,927 km (0.046 R)
• M63: 37,576,891 km (0.086 R)
• M64: 38,642,028 km (0.103 R)
• M65: 38,971,741 km (0.1 R)
• M66: 40,049,594 km (0.114 R)
• M67: 41,137,320 km (0.113 R)
• M68: 43,855,962 km (0.106 R)
• M69: 45,236,900 km (0.05 R)
• M70: 45,410,434 km (0.097 R)
• M71: 45,932,680 km (0.092 R)
• M72: 46,369,356 km (0.115 R)
• M73: 46,456,871 km (0.118 R)
• M74: 46,544,386 km (0.081 R)
• M75: 46,983,006 km (0.115 R)
• M76: 47,511,087 km (0.105 R)
• M77: 48,041,262 km (0.104 R)
• M78: 49,643,305 km (0.103 R)
• M79: 50,091,351 km (0.09 R)
• M80: 52,169,864 km (0.088 R)
• M81: 54,645,709 km (0.101 R)
• M82: 54,923,063 km (0.09 R)
• M83: 55,108,265 km (0.097 R)
• M84: 55,201,016 km (0.114 R)
• M85: 56,410,664 km (0.098 R)
• M86: 56,597,512 km (0.11 R)
• M87: 57,911,430 km (0.053 R)
• M88: 58,005,677 km (0.106 R)
• M89: 58,572,204 km (0.091 R)
• M90: 61,624,150 km (0.105 R)
• M91: 62,105,706 km (0.104 R)
• M92: 63,946,956 km (0.096 R)
• M93: 64,141,882 km (0.047 R)
• M94: 64,629,870 km (0.065 R)
• M95: 65,315,029 km (0.072 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: 367 - 14,861 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit