🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.57 AU - 0.93 AU

Year: 241 Days

Day: 27.7 Hours

Environment

Temp: 164 °C

Axial Tilt: 27.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.02 AU - 1.14 AU

Year: 416 Days

Day: 45.4 Hours

Environment

Temp: 2 °C

Axial Tilt: 44.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 49,533,420 km

• M1: 123,568 km (0.117 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.39 AU - 1.91 AU

Year: 786 Days

Day: 25.7 Hours

Environment

Temp: -46 °C

Axial Tilt: 26.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,533,420 km

• M1: 1,122,134 km (0.057 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.64 AU - 1.68 AU

Year: 793 Days

Day: 15.9 Hours

Environment

Temp: -51 °C

Axial Tilt: 28 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,533,420 km

• M1: 1,068,578 km (0.116 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.2 AU - 2.56 AU

Year: 1362 Days

Day: 14.2 Hours

Environment

Temp: -84 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,533,420 km

• M1: 861,235 km (0.048 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.32 AU - 2.8 AU

Year: 1519 Days

Day: 28.9 Hours

Environment

Temp: -100 °C

Axial Tilt: 38 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.5 AU - 2.98 AU

Year: 1682 Days

Day: 26.5 Hours

Environment

Temp: -105 °C

Axial Tilt: 23.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,533,420 km

• M1: 1,207,554 km (0.108 R)

Asteroid Belt

Center: 4.1 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.9

Radius: 9.2

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 4.47 AU - 6.43 AU

Year: 4718 Days

Day: 6.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (64)

Outer Limit: 49,533,420 km

• M1: 292,165 km (0.086 R)
• M2: 351,256 km (0.096 R)
• M3: 931,097 km (0.068 R)
• M4: 1,099,694 km (0.09 R)
• M5: 1,162,525 km (0.071 R)
• M6: 1,239,418 km (0.112 R)
• M7: 1,318,256 km (0.104 R)
• M8: 1,579,155 km (0.052 R)
• M9: 2,071,033 km (0.092 R)
• M10: 2,213,151 km (0.11 R)
• M11: 2,440,839 km (0.094 R)
• M12: 2,642,048 km (0.12 R)
• M13: 2,954,259 km (0.085 R)
• M14: 3,407,391 km (0.079 R)
• M15: 3,632,685 km (0.066 R)
• M16: 3,747,127 km (0.1 R)
• M17: 4,541,043 km (0.097 R)
• M18: 4,602,678 km (0.112 R)
• M19: 4,957,225 km (0.109 R)
• M20: 5,041,897 km (0.086 R)
• M21: 5,582,394 km (0.064 R)
• M22: 6,118,553 km (0.038 R)
• M23: 6,624,493 km (0.077 R)
• M24: 7,143,897 km (0.064 R)
• M25: 7,263,725 km (0.082 R)
• M26: 8,121,668 km (0.059 R)
• M27: 8,271,865 km (0.05 R)
• M28: 8,423,108 km (0.106 R)
• M29: 9,088,968 km (0.115 R)
• M30: 9,586,232 km (0.074 R)
• M31: 10,011,987 km (0.117 R)
• M32: 10,146,176 km (0.091 R)
• M33: 10,470,953 km (0.081 R)
• M34: 10,661,990 km (0.051 R)
• M35: 11,297,781 km (0.116 R)
• M36: 11,381,705 km (0.074 R)
• M37: 11,719,048 km (0.083 R)
• M38: 12,174,125 km (0.092 R)
• M39: 12,346,312 km (0.114 R)
• M40: 13,782,153 km (0.041 R)
• M41: 13,931,601 km (0.047 R)
• M42: 15,549,053 km (0.097 R)
• M43: 15,611,286 km (0.087 R)
• M44: 15,767,167 km (0.104 R)
• M45: 16,649,495 km (0.08 R)
• M46: 16,713,074 km (0.099 R)
• M47: 16,776,803 km (0.105 R)
• M48: 17,257,311 km (0.075 R)
• M49: 17,321,638 km (0.097 R)
• M50: 17,612,457 km (0.108 R)
• M51: 17,839,845 km (0.091 R)
• M52: 18,002,757 km (0.113 R)
• M53: 18,199,030 km (0.032 R)
• M54: 18,362,989 km (0.103 R)
• M55: 18,791,886 km (0.066 R)
• M56: 18,924,579 km (0.119 R)
• M57: 19,057,422 km (0.077 R)
• M58: 19,190,714 km (0.106 R)
• M59: 19,693,064 km (0.044 R)
• M60: 19,929,129 km (0.057 R)
• M61: 22,409,911 km (0.037 R)
• M62: 22,974,343 km (0.116 R)
• M63: 23,579,168 km (0.113 R)
• M64: 24,117,271 km (0.101 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.4

Radius: 9.4

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 9.42 AU - 11.68 AU

Year: 12708 Days

Day: 10.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 49,533,420 km

• M1: 207,642 km (0.068 R)
• M2: 929,152 km (0.114 R)
• M3: 1,774,231 km (0.046 R)
• M4: 1,887,476 km (0.085 R)
• M5: 1,979,928 km (0.037 R)
• M6: 2,097,512 km (0.1 R)
• M7: 2,241,874 km (0.065 R)
• M8: 2,464,475 km (0.098 R)
• M9: 2,746,617 km (0.099 R)
• M10: 2,985,076 km (0.068 R)
• M11: 3,120,612 km (0.11 R)
• M12: 3,770,016 km (0.109 R)
• M13: 4,035,552 km (0.099 R)
• M14: 4,095,391 km (0.061 R)
• M15: 4,398,925 km (0.113 R)
• M16: 4,804,635 km (0.056 R)
• M17: 5,092,611 km (0.097 R)
• M18: 5,255,074 km (0.094 R)
• M19: 5,353,360 km (0.08 R)
• M20: 6,756,887 km (0.115 R)
• M21: 6,899,753 km (0.118 R)
• M22: 7,370,837 km (0.12 R)
• M23: 7,517,742 km (0.068 R)
• M24: 8,382,118 km (0.06 R)
• M25: 9,159,130 km (0.06 R)
• M26: 9,277,611 km (0.101 R)
• M27: 11,839,325 km (0.096 R)
• M28: 12,055,045 km (0.095 R)
• M29: 12,797,799 km (0.118 R)
• M30: 12,886,211 km (0.112 R)
• M31: 13,019,054 km (0.091 R)
• M32: 13,108,065 km (0.032 R)
• M33: 13,916,940 km (0.077 R)
• M34: 14,603,445 km (0.062 R)
• M35: 15,160,697 km (0.081 R)
• M36: 17,950,099 km (0.082 R)
• M37: 18,148,316 km (0.054 R)
• M38: 18,297,465 km (0.093 R)
• M39: 18,446,913 km (0.05 R)
• M40: 18,646,926 km (0.111 R)
• M41: 18,948,216 km (0.077 R)
• M42: 19,099,459 km (0.09 R)
• M43: 20,582,124 km (0.092 R)
• M44: 20,737,706 km (0.117 R)
• M45: 21,521,000 km (0.052 R)
• M46: 22,314,018 km (0.077 R)
• M47: 24,420,356 km (0.098 R)
• M48: 26,195,485 km (0.103 R)
• M49: 26,645,774 km (0.083 R)
• M50: 27,382,843 km (0.116 R)
• M51: 29,751,426 km (0.063 R)
• M52: 30,339,047 km (0.075 R)
• M53: 31,525,657 km (0.108 R)
• M54: 32,004,520 km (0.112 R)
• M55: 33,516,655 km (0.047 R)
• M56: 33,944,206 km (0.04 R)
• M57: 34,496,521 km (0.094 R)
• M58: 35,113,762 km (0.098 R)
• M59: 35,175,695 km (0.118 R)
• M60: 35,921,590 km (0.052 R)
• M61: 36,171,419 km (0.064 R)
• M62: 36,484,377 km (0.103 R)
• M63: 37,428,938 km (0.053 R)
• M64: 38,254,120 km (0.057 R)
• M65: 38,509,185 km (0.077 R)
• M66: 38,828,875 km (0.026 R)
• M67: 39,085,286 km (0.089 R)
• M68: 39,277,968 km (0.092 R)
• M69: 40,051,688 km (0.101 R)
• M70: 40,765,420 km (0.119 R)
• M71: 41,026,019 km (0.046 R)
• M72: 41,156,469 km (0.098 R)
• M73: 42,007,980 km (0.105 R)
• M74: 43,196,684 km (0.076 R)
• M75: 43,661,934 km (0.104 R)
• M76: 43,795,076 km (0.102 R)
• M77: 44,195,699 km (0.069 R)
• M78: 44,530,349 km (0.09 R)
• M79: 44,933,067 km (0.108 R)

Planet 10 - Ice Giant

Semi-Major Axis: 12.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 252.5

Radius: 7.4

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 11.55 AU - 14.37 AU

Year: 17303 Days

Day: 24.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 49,533,420 km

• M1: 121,025 km (0.092 R)
• M2: 287,527 km (0.088 R)
• M3: 401,969 km (0.109 R)
• M4: 836,850 km (0.093 R)
• M5: 1,087,277 km (0.102 R)
• M6: 1,516,922 km (0.09 R)
• M7: 2,356,166 km (0.038 R)
• M8: 2,793,740 km (0.084 R)
• M9: 3,197,206 km (0.059 R)
• M10: 3,680,556 km (0.099 R)
• M11: 4,251,571 km (0.106 R)
• M12: 4,447,993 km (0.114 R)
• M13: 4,849,963 km (0.062 R)
• M14: 5,868,874 km (0.093 R)
• M15: 6,458,589 km (0.094 R)
• M16: 6,646,633 km (0.068 R)
• M17: 7,853,290 km (0.061 R)
• M18: 8,749,830 km (0.068 R)
• M19: 9,041,845 km (0.076 R)
• M20: 9,464,608 km (0.046 R)
• M21: 10,154,554 km (0.053 R)
• M22: 10,329,434 km (0.113 R)
• M23: 10,949,816 km (0.114 R)
• M24: 11,627,943 km (0.116 R)
• M25: 12,180,109 km (0.076 R)
• M26: 12,552,907 km (0.08 R)
• M27: 12,740,802 km (0.085 R)
• M28: 13,119,284 km (0.09 R)
• M29: 13,790,530 km (0.025 R)
• M30: 14,081,648 km (0.09 R)
• M31: 14,325,791 km (0.064 R)
• M32: 16,946,746 km (0.084 R)
• M33: 17,835,058 km (0.081 R)
• M34: 18,417,891 km (0.113 R)
• M35: 18,792,036 km (0.118 R)
• M36: 20,093,986 km (0.107 R)
• M37: 20,589,604 km (0.077 R)
• M38: 21,649,205 km (0.06 R)
• M39: 23,705,129 km (0.088 R)
• M40: 24,991,820 km (0.102 R)
• M41: 25,050,911 km (0.118 R)
• M42: 27,510,749 km (0.067 R)
• M43: 27,815,929 km (0.114 R)
• M44: 28,985,934 km (0.114 R)
• M45: 29,296,499 km (0.075 R)
• M46: 29,421,114 km (0.104 R)
• M47: 31,437,544 km (0.109 R)
• M48: 32,140,953 km (0.033 R)
• M49: 32,462,439 km (0.084 R)
• M50: 35,006,051 km (0.117 R)
• M51: 35,403,084 km (0.106 R)
• M52: 35,602,199 km (0.112 R)
• M53: 36,402,099 km (0.107 R)
• M54: 36,670,028 km (0.073 R)
• M55: 36,737,198 km (0.079 R)
• M56: 38,223,602 km (0.11 R)
• M57: 38,359,736 km (0.085 R)
• M58: 38,974,135 km (0.089 R)
• M59: 39,248,348 km (0.065 R)
• M60: 39,385,679 km (0.113 R)
• M61: 40,628,538 km (0.089 R)
• M62: 41,045,766 km (0.026 R)
• M63: 42,587,522 km (0.078 R)
• M64: 45,511,113 km (0.06 R)
• M65: 46,524,190 km (0.105 R)
• M66: 46,669,449 km (0.081 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 417 - 14,168 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit