🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.51 AU - 0.61 AU

Year: 148 Days

Day: 18.4 Hours

Environment

Temp: 171 °C

Axial Tilt: 2.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.68 AU - 0.74 AU

Year: 211 Days

Day: 24.5 Hours

Environment

Temp: 148 °C

Axial Tilt: 15.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.32

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.71 AU - 1.15 AU

Year: 317 Days

Day: 37.1 Hours

Environment

Temp: 124 °C

Axial Tilt: 0.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.84

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.91 AU - 0.95 AU

Year: 317 Days

Day: 15.8 Hours

Environment

Temp: 94 °C

Axial Tilt: 18.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.78

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.39 AU - 1.79 AU

Year: 708 Days

Day: 40.4 Hours

Environment

Temp: -20 °C

Axial Tilt: 9.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.27 AU - 2.83 AU

Year: 1438 Days

Day: 25.3 Hours

Environment

Temp: -80 °C

Axial Tilt: 31.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.17 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.1

Radius: 14.9

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 4.74 AU - 6.84 AU

Year: 4919 Days

Day: 13.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 39,877,880 km

• M1: 189,989 km (0.073 R)
• M2: 313,707 km (0.084 R)
• M3: 434,432 km (0.105 R)
• M4: 600,037 km (0.097 R)
• M5: 889,958 km (0.1 R)
• M6: 1,142,030 km (0.109 R)
• M7: 1,541,905 km (0.089 R)
• M8: 1,816,417 km (0.104 R)
• M9: 2,089,882 km (0.076 R)
• M10: 2,213,899 km (0.062 R)
• M11: 2,395,511 km (0.113 R)
• M12: 2,525,661 km (0.11 R)
• M13: 2,773,844 km (0.084 R)
• M14: 2,990,461 km (0.119 R)
• M15: 3,131,083 km (0.094 R)
• M16: 3,461,396 km (0.118 R)
• M17: 3,803,077 km (0.111 R)
• M18: 4,111,099 km (0.087 R)
• M19: 4,268,326 km (0.043 R)
• M20: 4,728,489 km (0.096 R)
• M21: 4,822,437 km (0.055 R)
• M22: 4,964,705 km (0.025 R)
• M23: 5,156,489 km (0.102 R)
• M24: 5,622,038 km (0.082 R)
• M25: 5,872,464 km (0.096 R)
• M26: 6,050,037 km (0.082 R)
• M27: 6,152,362 km (0.086 R)
• M28: 6,332,777 km (0.03 R)
• M29: 6,488,808 km (0.047 R)
• M30: 6,778,280 km (0.068 R)
• M31: 7,045,312 km (0.045 R)
• M32: 7,207,027 km (0.094 R)
• M33: 7,479,594 km (0.094 R)
• M34: 7,672,426 km (0.109 R)
• M35: 8,402,912 km (0.112 R)
• M36: 8,632,246 km (0.083 R)
• M37: 8,892,845 km (0.077 R)
• M38: 9,332,813 km (0.107 R)
• M39: 9,481,064 km (0.064 R)
• M40: 11,037,780 km (0.06 R)
• M41: 11,637,966 km (0.055 R)
• M42: 11,925,942 km (0.096 R)
• M43: 12,313,700 km (0.108 R)
• M44: 12,574,599 km (0.106 R)
• M45: 13,568,976 km (0.05 R)
• M46: 14,657,450 km (0.07 R)
• M47: 15,317,027 km (0.042 R)
• M48: 16,378,274 km (0.101 R)
• M49: 16,485,685 km (0.11 R)
• M50: 17,062,684 km (0.1 R)
• M51: 17,572,963 km (0.063 R)
• M52: 17,719,718 km (0.09 R)
• M53: 17,903,724 km (0.118 R)
• M54: 18,496,879 km (0.09 R)
• M55: 18,758,376 km (0.115 R)
• M56: 19,021,070 km (0.102 R)
• M57: 19,134,016 km (0.111 R)
• M58: 20,314,493 km (0.119 R)
• M59: 20,584,368 km (0.03 R)
• M60: 21,244,693 km (0.116 R)
• M61: 21,675,684 km (0.09 R)
• M62: 22,030,381 km (0.093 R)
• M63: 22,466,608 km (0.089 R)
• M64: 22,865,735 km (0.058 R)
• M65: 23,589,939 km (0.046 R)
• M66: 23,792,494 km (0.071 R)
• M67: 23,914,267 km (0.042 R)
• M68: 24,077,029 km (0.098 R)
• M69: 24,813,799 km (0.078 R)
• M70: 25,309,117 km (0.087 R)
• M71: 26,267,591 km (0.106 R)
• M72: 26,730,148 km (0.049 R)
• M73: 27,026,052 km (0.049 R)
• M74: 27,153,061 km (0.051 R)
• M75: 27,919,899 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130

Radius: 14.2

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 9.86 AU - 10.7 AU

Year: 11638 Days

Day: 12.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 39,877,880 km

• M1: 202,406 km (0.084 R)
• M2: 358,287 km (0.041 R)
• M3: 495,319 km (0.056 R)
• M4: 786,586 km (0.103 R)
• M5: 1,022,202 km (0.042 R)
• M6: 1,178,233 km (0.054 R)
• M7: 1,266,944 km (0.117 R)
• M8: 1,483,712 km (0.097 R)
• M9: 1,662,930 km (0.097 R)
• M10: 2,079,560 km (0.102 R)
• M11: 2,432,910 km (0.049 R)
• M12: 2,607,192 km (0.062 R)
• M13: 2,725,823 km (0.03 R)
• M14: 3,346,056 km (0.102 R)
• M15: 3,540,682 km (0.107 R)
• M16: 4,835,452 km (0.085 R)
• M17: 5,230,390 km (0.031 R)
• M18: 5,533,625 km (0.12 R)
• M19: 5,635,950 km (0.084 R)
• M20: 6,263,513 km (0.067 R)
• M21: 6,748,809 km (0.069 R)
• M22: 6,996,094 km (0.068 R)
• M23: 7,842,070 km (0.108 R)
• M24: 8,131,392 km (0.105 R)
• M25: 8,248,079 km (0.101 R)
• M26: 10,127,477 km (0.086 R)
• M27: 10,379,399 km (0.087 R)
• M28: 11,310,048 km (0.119 R)
• M29: 11,934,170 km (0.051 R)
• M30: 12,536,002 km (0.071 R)
• M31: 12,976,718 km (0.057 R)
• M32: 13,284,889 km (0.08 R)
• M33: 13,595,454 km (0.112 R)
• M34: 14,329,531 km (0.088 R)
• M35: 14,541,661 km (0.104 R)
• M36: 15,112,377 km (0.067 R)
• M37: 15,617,868 km (0.05 R)
• M38: 16,202,347 km (0.119 R)
• M39: 16,312,750 km (0.09 R)
• M40: 16,497,354 km (0.111 R)
• M41: 17,242,501 km (0.077 R)
• M42: 17,808,579 km (0.079 R)
• M43: 18,534,428 km (0.093 R)
• M44: 18,920,391 km (0.087 R)
• M45: 20,212,767 km (0.058 R)
• M46: 20,729,777 km (0.053 R)
• M47: 21,372,001 km (0.118 R)
• M48: 21,776,812 km (0.11 R)
• M49: 22,184,018 km (0.101 R)
• M50: 22,306,688 km (0.116 R)
• M51: 22,470,647 km (0.115 R)
• M52: 24,089,895 km (0.046 R)
• M53: 24,892,338 km (0.108 R)
• M54: 25,532,018 km (0.08 R)
• M55: 26,393,552 km (0.037 R)
• M56: 27,835,676 km (0.041 R)
• M57: 28,100,614 km (0.118 R)
• M58: 28,633,032 km (0.119 R)
• M59: 28,945,243 km (0.054 R)
• M60: 29,303,231 km (0.114 R)
• M61: 29,438,019 km (0.112 R)
• M62: 29,978,665 km (0.042 R)
• M63: 30,477,275 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 18.4

Radius: 5.8

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 11.12 AU - 16.06 AU

Year: 17690 Days

Day: 19.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 39,877,880 km

• M1: 87,066 km (0.108 R)
• M2: 763,847 km (0.056 R)
• M3: 1,943,725 km (0.099 R)
• M4: 2,114,716 km (0.071 R)
• M5: 2,290,493 km (0.106 R)
• M6: 2,910,576 km (0.112 R)
• M7: 3,596,782 km (0.093 R)
• M8: 4,800,745 km (0.09 R)
• M9: 4,993,128 km (0.098 R)
• M10: 6,117,057 km (0.077 R)
• M11: 7,648,490 km (0.036 R)
• M12: 7,760,689 km (0.105 R)
• M13: 7,828,157 km (0.087 R)
• M14: 8,306,422 km (0.091 R)
• M15: 9,243,353 km (0.08 R)
• M16: 9,315,011 km (0.103 R)
• M17: 10,485,913 km (0.08 R)
• M18: 10,810,840 km (0.066 R)
• M19: 11,164,639 km (0.104 R)
• M20: 11,935,367 km (0.107 R)
• M21: 12,564,276 km (0.109 R)
• M22: 12,882,770 km (0.043 R)
• M23: 14,073,120 km (0.086 R)
• M24: 14,597,910 km (0.075 R)
• M25: 15,157,256 km (0.102 R)
• M26: 15,809,204 km (0.098 R)
• M27: 17,198,968 km (0.117 R)
• M28: 19,051,289 km (0.085 R)
• M29: 20,031,753 km (0.101 R)
• M30: 20,093,537 km (0.113 R)
• M31: 20,155,471 km (0.066 R)
• M32: 20,310,454 km (0.093 R)
• M33: 20,777,798 km (0.099 R)

Planet 10 - Ice Giant

Semi-Major Axis: 13.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 117.8

Radius: 6.4

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 11.04 AU - 16.76 AU

Year: 18299 Days

Day: 21.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 39,877,880 km

• M1: 83,176 km (0.05 R)
• M2: 276,158 km (0.112 R)
• M3: 1,083,238 km (0.12 R)
• M4: 1,414,448 km (0.077 R)
• M5: 1,571,376 km (0.036 R)
• M6: 1,692,850 km (0.098 R)
• M7: 1,880,894 km (0.105 R)
• M8: 1,966,614 km (0.111 R)
• M9: 2,075,670 km (0.107 R)
• M10: 2,277,029 km (0.114 R)
• M11: 2,531,794 km (0.047 R)
• M12: 2,771,301 km (0.082 R)
• M13: 2,869,138 km (0.072 R)
• M14: 3,195,261 km (0.083 R)
• M15: 3,427,886 km (0.117 R)
• M16: 3,612,639 km (0.119 R)
• M17: 4,642,471 km (0.045 R)
• M18: 4,758,858 km (0.106 R)
• M19: 6,230,751 km (0.112 R)
• M20: 6,359,256 km (0.074 R)
• M21: 6,456,345 km (0.113 R)
• M22: 6,586,495 km (0.114 R)
• M23: 7,115,623 km (0.085 R)
• M24: 7,283,920 km (0.104 R)
• M25: 7,865,557 km (0.102 R)
• M26: 8,426,549 km (0.105 R)
• M27: 8,604,421 km (0.058 R)
• M28: 8,783,639 km (0.081 R)
• M29: 9,439,027 km (0.097 R)
• M30: 9,884,679 km (0.1 R)
• M31: 10,072,425 km (0.069 R)
• M32: 10,835,075 km (0.097 R)
• M33: 10,989,759 km (0.088 R)
• M34: 11,301,521 km (0.111 R)
• M35: 15,348,742 km (0.08 R)
• M36: 15,697,155 km (0.104 R)
• M37: 17,296,655 km (0.114 R)
• M38: 18,622,392 km (0.062 R)
• M39: 18,854,268 km (0.062 R)
• M40: 19,180,541 km (0.107 R)
• M41: 19,274,040 km (0.108 R)
• M42: 20,887,603 km (0.113 R)
• M43: 21,176,925 km (0.047 R)
• M44: 21,759,309 km (0.076 R)
• M45: 22,396,148 km (0.082 R)
• M46: 23,288,050 km (0.039 R)
• M47: 24,141,207 km (0.065 R)
• M48: 24,444,591 km (0.087 R)
• M49: 25,568,221 km (0.074 R)
• M50: 27,074,971 km (0.079 R)
• M51: 28,237,196 km (0.083 R)
• M52: 29,092,597 km (0.086 R)
• M53: 29,200,008 km (0.07 R)
• M54: 29,469,434 km (0.109 R)
• M55: 30,664,572 km (0.087 R)
• M56: 31,048,140 km (0.074 R)
• M57: 32,989,622 km (0.077 R)
• M58: 34,627,868 km (0.118 R)
• M59: 36,176,804 km (0.104 R)
• M60: 36,582,065 km (0.032 R)
• M61: 37,338,731 km (0.094 R)

Kuiper Belt

Range: 31.1 - 61.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 193 - 14,878 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit