🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.51 AU - 0.67 AU

Year: 160 Days

Day: 41.2 Hours

Environment

Temp: 243 °C

Axial Tilt: 22.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 93,236,640 km

• M1: 57,296 km (0.104 R)
• M2: 332,855 km (0.088 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.69 AU - 0.95 AU

Year: 262 Days

Day: 41.8 Hours

Environment

Temp: 165 °C

Axial Tilt: 20.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 93,236,640 km

• M1: 168,896 km (0.076 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.13 AU - 1.59 AU

Year: 560 Days

Day: 47.5 Hours

Environment

Temp: -6 °C

Axial Tilt: 38.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 93,236,640 km

• M1: 293,212 km (0.105 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.51 AU - 2.03 AU

Year: 831 Days

Day: 19.8 Hours

Environment

Temp: -37 °C

Axial Tilt: 17.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.68 AU - 3.22 AU

Year: 1789 Days

Day: 45.9 Hours

Environment

Temp: -97 °C

Axial Tilt: 15.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 93,236,640 km

• M1: 421,268 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 890.9

Radius: 3.4

Gravity: 77.07 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 14.1 AU - 15.84 AU

Year: 20452 Days

Day: 18.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 93,236,640 km

• M1: 44,879 km (0.071 R)
• M2: 114,293 km (0.119 R)
• M3: 139,425 km (0.115 R)
• M4: 375,341 km (0.114 R)
• M5: 1,772,884 km (0.071 R)
• M6: 1,877,752 km (0.097 R)
• M7: 2,509,504 km (0.064 R)
• M8: 2,868,240 km (0.071 R)
• M9: 2,909,080 km (0.119 R)
• M10: 3,032,798 km (0.052 R)
• M11: 3,200,497 km (0.076 R)
• M12: 3,457,656 km (0.025 R)
• M13: 3,501,189 km (0.106 R)
• M14: 3,721,397 km (0.107 R)
• M15: 3,855,736 km (0.055 R)
• M16: 4,937,328 km (0.103 R)
• M17: 6,584,401 km (0.112 R)
• M18: 6,801,318 km (0.108 R)
• M19: 6,965,576 km (0.075 R)
• M20: 7,409,732 km (0.107 R)
• M21: 7,578,628 km (0.085 R)
• M22: 7,635,176 km (0.114 R)
• M23: 7,977,755 km (0.102 R)
• M24: 8,266,928 km (0.087 R)
• M25: 8,736,815 km (0.115 R)
• M26: 9,579,948 km (0.065 R)
• M27: 9,702,469 km (0.056 R)
• M28: 9,825,439 km (0.111 R)
• M29: 11,797,886 km (0.054 R)
• M30: 12,392,688 km (0.037 R)
• M31: 13,818,206 km (0.1 R)
• M32: 14,234,985 km (0.083 R)
• M33: 14,797,025 km (0.065 R)
• M34: 15,009,753 km (0.113 R)
• M35: 15,152,020 km (0.081 R)
• M36: 16,306,617 km (0.067 R)
• M37: 16,526,226 km (0.115 R)
• M38: 17,190,890 km (0.063 R)
• M39: 17,638,935 km (0.07 R)
• M40: 19,005,811 km (0.102 R)
• M41: 19,391,474 km (0.09 R)
• M42: 19,624,099 km (0.072 R)
• M43: 19,779,681 km (0.102 R)
• M44: 20,013,951 km (0.067 R)
• M45: 22,568,484 km (0.114 R)
• M46: 23,305,254 km (0.027 R)
• M47: 24,049,802 km (0.112 R)
• M48: 24,216,305 km (0.107 R)
• M49: 24,383,256 km (0.1 R)
• M50: 28,150,430 km (0.052 R)
• M51: 29,208,835 km (0.043 R)
• M52: 30,011,278 km (0.065 R)
• M53: 30,640,187 km (0.054 R)
• M54: 31,273,584 km (0.066 R)
• M55: 31,728,661 km (0.118 R)
• M56: 32,094,278 km (0.058 R)
• M57: 33,849,809 km (0.094 R)
• M58: 34,317,004 km (0.091 R)
• M59: 34,692,345 km (0.111 R)
• M60: 34,786,292 km (0.058 R)
• M61: 35,446,916 km (0.092 R)
• M62: 39,300,258 km (0.046 R)
• M63: 40,284,163 km (0.026 R)
• M64: 40,382,898 km (0.039 R)
• M65: 40,679,850 km (0.059 R)
• M66: 41,775,056 km (0.049 R)
• M67: 49,919,164 km (0.104 R)
• M68: 50,663,862 km (0.095 R)
• M69: 51,305,039 km (0.104 R)
• M70: 52,056,618 km (0.026 R)
• M71: 53,787,914 km (0.1 R)
• M72: 54,989,036 km (0.093 R)
• M73: 56,641,344 km (0.104 R)
• M74: 57,417,907 km (0.089 R)
• M75: 58,086,310 km (0.067 R)
• M76: 58,309,660 km (0.098 R)
• M77: 58,645,357 km (0.064 R)
• M78: 60,220,024 km (0.094 R)
• M79: 60,446,067 km (0.094 R)
• M80: 61,580,767 km (0.05 R)
• M81: 62,036,591 km (0.059 R)
• M82: 62,150,735 km (0.046 R)
• M83: 64,563,748 km (0.046 R)
• M84: 68,416,791 km (0.1 R)
• M85: 69,243,768 km (0.114 R)
• M86: 70,311,747 km (0.104 R)
• M87: 70,430,678 km (0.087 R)
• M88: 71,026,675 km (0.047 R)
• M89: 71,744,147 km (0.077 R)
• M90: 77,569,189 km (0.111 R)
• M91: 77,692,158 km (0.059 R)
• M92: 78,678,158 km (0.115 R)
• M93: 79,049,011 km (0.103 R)
• M94: 80,413,643 km (0.111 R)
• M95: 80,662,573 km (0.082 R)
• M96: 83,040,432 km (0.054 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 222.2

Radius: 3

Gravity: 24.69 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 16.16 AU - 19.52 AU

Year: 26607 Days

Day: 16.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 93,236,640 km

• M1: 177,423 km (0.104 R)
• M2: 216,019 km (0.083 R)
• M3: 287,078 km (0.097 R)
• M4: 317,746 km (0.106 R)
• M5: 433,535 km (0.034 R)
• M6: 660,774 km (0.115 R)
• M7: 830,418 km (0.101 R)
• M8: 1,309,580 km (0.059 R)
• M9: 1,576,014 km (0.052 R)
• M10: 1,772,286 km (0.056 R)
• M11: 1,829,732 km (0.08 R)
• M12: 2,187,570 km (0.116 R)
• M13: 2,797,031 km (0.064 R)
• M14: 2,897,711 km (0.065 R)
• M15: 2,999,737 km (0.103 R)
• M16: 3,068,252 km (0.111 R)
• M17: 3,172,223 km (0.118 R)
• M18: 3,207,079 km (0.105 R)
• M19: 4,467,292 km (0.117 R)
• M20: 4,703,806 km (0.101 R)
• M21: 4,783,542 km (0.084 R)
• M22: 4,904,117 km (0.093 R)
• M23: 5,775,226 km (0.096 R)
• M24: 8,175,524 km (0.083 R)
• M25: 8,464,547 km (0.089 R)
• M26: 8,610,255 km (0.117 R)
• M27: 8,904,065 km (0.114 R)
• M28: 9,052,317 km (0.11 R)
• M29: 10,474,245 km (0.097 R)
• M30: 11,424,341 km (0.038 R)
• M31: 11,801,178 km (0.034 R)
• M32: 15,727,075 km (0.061 R)
• M33: 16,025,971 km (0.105 R)
• M34: 16,266,375 km (0.109 R)
• M35: 17,424,562 km (0.037 R)
• M36: 18,672,208 km (0.056 R)
• M37: 19,434,559 km (0.049 R)
• M38: 20,012,904 km (0.087 R)
• M39: 20,989,329 km (0.081 R)
• M40: 21,318,145 km (0.082 R)
• M41: 21,450,240 km (0.042 R)
• M42: 21,582,634 km (0.077 R)
• M43: 22,516,275 km (0.106 R)
• M44: 23,395,162 km (0.09 R)
• M45: 23,736,096 km (0.052 R)
• M46: 26,806,891 km (0.069 R)
• M47: 27,378,355 km (0.107 R)
• M48: 27,593,776 km (0.061 R)
• M49: 27,881,902 km (0.093 R)
• M50: 28,315,735 km (0.079 R)
• M51: 29,925,857 km (0.079 R)
• M52: 30,221,762 km (0.097 R)
• M53: 31,190,258 km (0.091 R)
• M54: 35,242,416 km (0.106 R)
• M55: 35,476,686 km (0.084 R)
• M56: 36,182,489 km (0.057 R)
• M57: 37,051,503 km (0.111 R)
• M58: 37,210,376 km (0.109 R)
• M59: 38,408,057 km (0.103 R)
• M60: 40,841,266 km (0.103 R)
• M61: 40,923,246 km (0.106 R)
• M62: 42,408,004 km (0.039 R)
• M63: 49,390,635 km (0.104 R)
• M64: 49,827,760 km (0.1 R)
• M65: 50,354,045 km (0.086 R)
• M66: 50,617,786 km (0.088 R)
• M67: 51,235,176 km (0.11 R)
• M68: 52,032,533 km (0.041 R)
• M69: 52,299,266 km (0.085 R)
• M70: 53,639,663 km (0.108 R)
• M71: 54,629,851 km (0.089 R)
• M72: 55,263,099 km (0.098 R)
• M73: 57,912,178 km (0.118 R)
• M74: 59,484,153 km (0.09 R)
• M75: 62,103,910 km (0.091 R)
• M76: 62,859,230 km (0.054 R)
• M77: 62,953,776 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 630.4

Radius: 4.5

Gravity: 31.13 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 14.94 AU - 22.22 AU

Year: 28279 Days

Day: 20.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 93,236,640 km

• M1: 79,586 km (0.03 R)
• M2: 210,335 km (0.079 R)
• M3: 424,260 km (0.087 R)
• M4: 857,944 km (0.12 R)
• M5: 886,816 km (0.077 R)
• M6: 915,988 km (0.118 R)
• M7: 1,160,879 km (0.065 R)
• M8: 1,357,601 km (0.12 R)
• M9: 1,425,369 km (0.109 R)
• M10: 1,931,757 km (0.074 R)
• M11: 1,969,905 km (0.114 R)
• M12: 2,324,452 km (0.11 R)
• M13: 2,365,142 km (0.103 R)
• M14: 2,613,924 km (0.113 R)
• M15: 2,698,746 km (0.12 R)
• M16: 3,002,579 km (0.112 R)
• M17: 3,181,199 km (0.101 R)
• M18: 3,363,110 km (0.11 R)
• M19: 4,423,609 km (0.117 R)
• M20: 4,989,388 km (0.1 R)
• M21: 5,042,047 km (0.113 R)
• M22: 5,361,438 km (0.111 R)
• M23: 6,529,648 km (0.096 R)
• M24: 6,819,120 km (0.106 R)
• M25: 6,877,463 km (0.089 R)
• M26: 7,231,262 km (0.097 R)
• M27: 7,591,045 km (0.087 R)
• M28: 7,651,632 km (0.087 R)
• M29: 8,452,878 km (0.08 R)
• M30: 8,768,081 km (0.105 R)
• M31: 8,895,389 km (0.112 R)
• M32: 9,087,173 km (0.109 R)
• M33: 9,215,977 km (0.044 R)
• M34: 9,934,645 km (0.093 R)
• M35: 10,267,201 km (0.072 R)
• M36: 10,603,497 km (0.044 R)
• M37: 11,425,089 km (0.071 R)
• M38: 12,911,643 km (0.107 R)
• M39: 13,420,425 km (0.064 R)
• M40: 13,493,728 km (0.027 R)
• M41: 13,714,086 km (0.106 R)
• M42: 14,158,690 km (0.111 R)
• M43: 15,214,253 km (0.103 R)
• M44: 17,559,948 km (0.095 R)
• M45: 18,204,266 km (0.116 R)
• M46: 18,447,811 km (0.104 R)
• M47: 18,692,553 km (0.114 R)
• M48: 19,432,913 km (0.056 R)
• M49: 19,681,844 km (0.1 R)
• M50: 19,765,170 km (0.083 R)
• M51: 20,099,222 km (0.084 R)
• M52: 20,519,442 km (0.062 R)
• M53: 23,188,418 km (0.065 R)
• M54: 26,881,989 km (0.118 R)
• M55: 27,066,743 km (0.054 R)
• M56: 27,530,496 km (0.116 R)
• M57: 30,272,027 km (0.103 R)
• M58: 32,016,936 km (0.095 R)
• M59: 33,495,711 km (0.077 R)
• M60: 34,694,738 km (0.098 R)
• M61: 36,724,033 km (0.087 R)
• M62: 36,826,508 km (0.072 R)
• M63: 37,856,340 km (0.071 R)
• M64: 44,340,510 km (0.068 R)
• M65: 44,558,773 km (0.115 R)
• M66: 44,886,991 km (0.117 R)
• M67: 47,652,756 km (0.087 R)
• M68: 48,212,402 km (0.101 R)
• M69: 49,112,532 km (0.065 R)
• M70: 50,245,437 km (0.052 R)
• M71: 50,473,125 km (0.113 R)
• M72: 53,579,225 km (0.117 R)
• M73: 53,811,850 km (0.104 R)
• M74: 55,801,951 km (0.102 R)
• M75: 58,412,882 km (0.084 R)
• M76: 59,131,850 km (0.065 R)
• M77: 60,215,836 km (0.109 R)
• M78: 61,427,878 km (0.052 R)
• M79: 62,158,962 km (0.086 R)
• M80: 65,236,041 km (0.109 R)
• M81: 66,231,166 km (0.058 R)
• M82: 66,980,801 km (0.074 R)
• M83: 68,362,337 km (0.036 R)
• M84: 72,049,626 km (0.112 R)
• M85: 72,306,186 km (0.092 R)
• M86: 73,335,868 km (0.12 R)
• M87: 75,800,792 km (0.067 R)
• M88: 79,615,089 km (0.103 R)
• M89: 83,625,958 km (0.1 R)
• M90: 85,655,851 km (0.115 R)
• M91: 87,018,239 km (0.099 R)
• M92: 87,702,051 km (0.094 R)
• M93: 91,009,211 km (0.093 R)
• M94: 91,425,542 km (0.116 R)
• M95: 92,120,723 km (0.117 R)
• M96: 92,817,700 km (0.094 R)

Kuiper Belt

Range: 31.1 - 54.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 165 - 19,680 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit