🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.6 AU - 0.68 AU

Year: 184 Days

Day: 15.7 Hours

Environment

Temp: 165 °C

Axial Tilt: 40 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 53,069,883 km

• M1: 271,221 km (0.025 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.82 AU - 0.84 AU

Year: 272 Days

Day: 45.1 Hours

Environment

Temp: 92 °C

Axial Tilt: 37.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 53,069,883 km

• M1: 337,792 km (0.092 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.96 AU - 1.4 AU

Year: 461 Days

Day: 29.4 Hours

Environment

Temp: 1 °C

Axial Tilt: 20.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.6

Radius: 1.21

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.32 AU - 2.46 AU

Year: 1330 Days

Day: 14.3 Hours

Environment

Temp: -85 °C

Axial Tilt: 4.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.64 AU - 4.22 AU

Year: 2286 Days

Day: 45 Hours

Environment

Temp: -118 °C

Axial Tilt: 44.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 4.05 AU - 5.31 AU

Year: 3644 Days

Day: 25.6 Hours

Environment

Temp: -125 °C

Axial Tilt: 6.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.3

Radius: 8.5

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 5.56 AU - 7.7 AU

Year: 6144 Days

Day: 13.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 53,069,883 km

• M1: 108,010 km (0.117 R)
• M2: 230,680 km (0.115 R)
• M3: 331,359 km (0.07 R)
• M4: 743,801 km (0.095 R)
• M5: 1,041,500 km (0.118 R)
• M6: 1,210,546 km (0.103 R)
• M7: 1,305,391 km (0.041 R)
• M8: 1,402,779 km (0.055 R)
• M9: 1,473,988 km (0.045 R)
• M10: 1,590,375 km (0.082 R)
• M11: 1,694,794 km (0.108 R)
• M12: 1,942,229 km (0.105 R)
• M13: 2,119,054 km (0.12 R)
• M14: 2,575,627 km (0.046 R)
• M15: 2,951,566 km (0.093 R)
• M16: 3,025,168 km (0.091 R)
• M17: 3,174,168 km (0.082 R)
• M18: 3,230,716 km (0.1 R)
• M19: 3,344,709 km (0.106 R)
• M20: 3,460,199 km (0.104 R)
• M21: 3,655,574 km (0.073 R)
• M22: 3,814,596 km (0.106 R)
• M23: 4,036,899 km (0.044 R)
• M24: 4,139,223 km (0.098 R)
• M25: 4,242,596 km (0.102 R)
• M26: 4,346,865 km (0.079 R)
• M27: 4,515,313 km (0.029 R)
• M28: 4,600,434 km (0.114 R)
• M29: 5,662,429 km (0.119 R)
• M30: 6,079,657 km (0.082 R)
• M31: 6,197,391 km (0.093 R)
• M32: 6,315,873 km (0.113 R)
• M33: 6,919,201 km (0.104 R)
• M34: 7,116,221 km (0.106 R)
• M35: 7,265,221 km (0.078 R)
• M36: 7,922,703 km (0.049 R)
• M37: 8,206,640 km (0.118 R)
• M38: 8,784,537 km (0.085 R)
• M39: 9,213,134 km (0.106 R)
• M40: 9,321,294 km (0.107 R)
• M41: 10,202,126 km (0.074 R)
• M42: 11,051,842 km (0.115 R)
• M43: 11,109,437 km (0.096 R)
• M44: 11,282,372 km (0.084 R)
• M45: 11,398,161 km (0.077 R)
• M46: 11,689,428 km (0.051 R)
• M47: 11,983,238 km (0.081 R)
• M48: 12,368,752 km (0.101 R)
• M49: 12,909,249 km (0.067 R)
• M50: 13,091,160 km (0.109 R)
• M51: 13,365,523 km (0.068 R)
• M52: 13,457,525 km (0.087 R)
• M53: 14,419,440 km (0.096 R)
• M54: 14,702,928 km (0.112 R)
• M55: 14,861,202 km (0.09 R)
• M56: 15,211,261 km (0.044 R)
• M57: 15,275,289 km (0.116 R)
• M58: 15,854,981 km (0.093 R)
• M59: 15,952,369 km (0.112 R)
• M60: 16,278,193 km (0.116 R)
• M61: 16,409,091 km (0.109 R)
• M62: 17,002,696 km (0.059 R)
• M63: 17,737,820 km (0.087 R)
• M64: 18,449,157 km (0.078 R)
• M65: 18,585,591 km (0.064 R)
• M66: 18,859,804 km (0.106 R)
• M67: 19,066,249 km (0.084 R)
• M68: 19,273,442 km (0.058 R)
• M69: 19,934,515 km (0.09 R)
• M70: 20,039,682 km (0.115 R)
• M71: 20,320,776 km (0.097 R)
• M72: 20,673,977 km (0.088 R)
• M73: 20,993,518 km (0.079 R)
• M74: 21,136,085 km (0.05 R)
• M75: 21,422,265 km (0.089 R)
• M76: 22,579,555 km (0.045 R)
• M77: 22,762,214 km (0.051 R)
• M78: 22,872,018 km (0.107 R)
• M79: 23,239,431 km (0.106 R)
• M80: 23,386,934 km (0.108 R)
• M81: 23,794,140 km (0.045 R)
• M82: 24,766,077 km (0.082 R)
• M83: 24,954,421 km (0.097 R)
• M84: 25,029,968 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.6

Radius: 12.3

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 9.11 AU - 10.11 AU

Year: 10722 Days

Day: 13.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 53,069,883 km

• M1: 244,293 km (0.058 R)
• M2: 324,328 km (0.065 R)
• M3: 419,472 km (0.087 R)
• M4: 556,803 km (0.09 R)
• M5: 744,997 km (0.082 R)
• M6: 943,364 km (0.081 R)
• M7: 1,094,458 km (0.1 R)
• M8: 1,582,596 km (0.103 R)
• M9: 1,796,072 km (0.112 R)
• M10: 2,002,966 km (0.088 R)
• M11: 2,797,480 km (0.118 R)
• M12: 3,286,815 km (0.103 R)
• M13: 3,561,477 km (0.073 R)
• M14: 3,681,604 km (0.086 R)
• M15: 3,802,927 km (0.08 R)
• M16: 3,884,758 km (0.061 R)
• M17: 5,500,564 km (0.099 R)
• M18: 5,733,488 km (0.075 R)
• M19: 6,427,024 km (0.07 R)
• M20: 6,895,863 km (0.082 R)
• M21: 8,208,884 km (0.107 R)
• M22: 8,771,671 km (0.073 R)
• M23: 8,880,429 km (0.045 R)
• M24: 9,016,862 km (0.084 R)
• M25: 10,621,000 km (0.085 R)
• M26: 11,768,864 km (0.115 R)
• M27: 11,858,773 km (0.075 R)
• M28: 12,403,159 km (0.112 R)
• M29: 12,525,231 km (0.099 R)
• M30: 13,048,674 km (0.086 R)
• M31: 13,768,240 km (0.109 R)
• M32: 14,952,606 km (0.072 R)
• M33: 15,180,444 km (0.114 R)
• M34: 15,442,091 km (0.096 R)
• M35: 15,573,587 km (0.111 R)
• M36: 16,908,299 km (0.106 R)
• M37: 17,692,192 km (0.114 R)
• M38: 18,453,197 km (0.079 R)
• M39: 19,119,057 km (0.076 R)
• M40: 20,618,775 km (0.106 R)
• M41: 21,090,607 km (0.044 R)
• M42: 21,602,830 km (0.12 R)
• M43: 21,749,885 km (0.046 R)
• M44: 22,267,344 km (0.109 R)
• M45: 22,564,894 km (0.095 R)
• M46: 23,201,433 km (0.113 R)
• M47: 23,616,417 km (0.076 R)
• M48: 23,730,112 km (0.099 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.4

Radius: 8.1

Gravity: 8.83 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 8.75 AU - 12.73 AU

Year: 12667 Days

Day: 9.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 90.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 53,069,883 km

• M1: 114,143 km (0.106 R)
• M2: 218,114 km (0.089 R)
• M3: 285,433 km (0.079 R)
• M4: 375,939 km (0.107 R)
• M5: 508,633 km (0.089 R)
• M6: 918,531 km (0.117 R)
• M7: 998,865 km (0.084 R)
• M8: 1,390,363 km (0.062 R)
• M9: 3,025,318 km (0.109 R)
• M10: 3,395,872 km (0.096 R)
• M11: 3,618,623 km (0.115 R)
• M12: 3,748,175 km (0.059 R)
• M13: 4,179,615 km (0.091 R)
• M14: 4,349,857 km (0.09 R)
• M15: 4,661,918 km (0.066 R)
• M16: 4,909,653 km (0.115 R)
• M17: 5,053,266 km (0.056 R)
• M18: 6,406,678 km (0.104 R)
• M19: 7,408,535 km (0.116 R)
• M20: 7,573,392 km (0.103 R)
• M21: 8,372,843 km (0.106 R)
• M22: 9,022,996 km (0.085 R)
• M23: 9,420,776 km (0.12 R)
• M24: 9,509,937 km (0.062 R)
• M25: 11,399,358 km (0.087 R)
• M26: 11,829,302 km (0.096 R)
• M27: 12,167,393 km (0.07 R)
• M28: 12,705,048 km (0.086 R)
• M29: 13,652,002 km (0.059 R)
• M30: 13,702,417 km (0.064 R)
• M31: 14,467,012 km (0.12 R)
• M32: 14,776,679 km (0.107 R)
• M33: 14,984,321 km (0.045 R)
• M34: 15,140,800 km (0.092 R)
• M35: 15,455,106 km (0.112 R)
• M36: 16,143,854 km (0.118 R)
• M37: 16,250,667 km (0.042 R)
• M38: 16,518,746 km (0.06 R)
• M39: 16,680,312 km (0.118 R)
• M40: 16,734,317 km (0.103 R)
• M41: 16,896,631 km (0.12 R)
• M42: 17,059,393 km (0.107 R)
• M43: 17,277,357 km (0.042 R)
• M44: 17,660,777 km (0.104 R)
• M45: 18,158,040 km (0.077 R)
• M46: 18,828,089 km (0.075 R)
• M47: 19,677,206 km (0.053 R)
• M48: 19,905,642 km (0.087 R)
• M49: 20,423,101 km (0.071 R)
• M50: 21,236,764 km (0.117 R)
• M51: 22,179,530 km (0.086 R)
• M52: 22,417,241 km (0.12 R)
• M53: 24,841,774 km (0.116 R)
• M54: 25,460,810 km (0.117 R)
• M55: 25,522,893 km (0.096 R)
• M56: 25,959,719 km (0.1 R)
• M57: 26,273,126 km (0.11 R)
• M58: 26,903,681 km (0.071 R)
• M59: 27,539,322 km (0.102 R)
• M60: 29,541,092 km (0.071 R)
• M61: 29,671,840 km (0.093 R)
• M62: 30,526,343 km (0.072 R)
• M63: 30,989,947 km (0.043 R)
• M64: 31,189,211 km (0.099 R)
• M65: 31,522,515 km (0.087 R)
• M66: 31,990,906 km (0.081 R)
• M67: 33,956,173 km (0.076 R)
• M68: 34,024,689 km (0.117 R)
• M69: 34,642,977 km (0.084 R)
• M70: 37,152,781 km (0.081 R)
• M71: 37,931,288 km (0.062 R)
• M72: 38,287,032 km (0.073 R)
• M73: 39,432,503 km (0.108 R)
• M74: 39,720,628 km (0.116 R)
• M75: 40,734,752 km (0.093 R)
• M76: 40,880,311 km (0.062 R)
• M77: 42,124,367 km (0.065 R)
• M78: 43,976,688 km (0.051 R)
• M79: 45,025,369 km (0.081 R)
• M80: 45,100,616 km (0.114 R)
• M81: 46,006,731 km (0.079 R)
• M82: 46,234,120 km (0.08 R)
• M83: 47,530,086 km (0.089 R)
• M84: 49,379,714 km (0.046 R)
• M85: 49,612,638 km (0.073 R)
• M86: 50,782,493 km (0.103 R)
• M87: 51,096,050 km (0.088 R)
• M88: 51,882,486 km (0.064 R)
• M89: 52,277,275 km (0.091 R)

Kuiper Belt

Range: 30.5 - 48.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 242 - 10,389 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit