🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.51 AU - 0.53 AU

Year: 242 Days

Day: 34 Hours

Environment

Temp: -124 °C

Axial Tilt: 21.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.44 AU - 0.72 AU

Year: 285 Days

Day: 27.3 Hours

Environment

Temp: -119 °C

Axial Tilt: 29.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.3

Radius: 13.3

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.76 AU - 1.14 AU

Year: 598 Days

Day: 8.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,095,568 km

• M1: 168,896 km (0.089 R)
• M2: 258,954 km (0.105 R)
• M3: 380,427 km (0.114 R)
• M4: 512,522 km (0.116 R)
• M5: 670,498 km (0.109 R)
• M6: 798,553 km (0.114 R)
• M7: 962,812 km (0.067 R)
• M8: 1,045,689 km (0.114 R)
• M9: 1,179,130 km (0.117 R)
• M10: 1,266,047 km (0.048 R)
• M11: 1,366,577 km (0.065 R)
• M12: 1,475,783 km (0.097 R)
• M13: 1,570,179 km (0.047 R)
• M14: 1,679,087 km (0.104 R)
• M15: 1,856,809 km (0.075 R)
• M16: 1,939,985 km (0.119 R)
• M17: 2,255,188 km (0.032 R)
• M18: 2,354,670 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.1

Radius: 10.3

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.67 AU - 2.35 AU

Year: 1840 Days

Day: 8.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (64)

Outer Limit: 30,095,568 km

• M1: 129,253 km (0.113 R)
• M2: 211,831 km (0.053 R)
• M3: 286,330 km (0.101 R)
• M4: 400,473 km (0.108 R)
• M5: 521,947 km (0.051 R)
• M6: 594,203 km (0.055 R)
• M7: 1,088,624 km (0.065 R)
• M8: 1,192,744 km (0.095 R)
• M9: 1,342,790 km (0.036 R)
• M10: 1,508,096 km (0.112 R)
• M11: 1,643,482 km (0.112 R)
• M12: 1,754,783 km (0.1 R)
• M13: 1,830,330 km (0.065 R)
• M14: 2,625,293 km (0.119 R)
• M15: 2,867,193 km (0.107 R)
• M16: 2,945,732 km (0.082 R)
• M17: 3,174,018 km (0.064 R)
• M18: 3,255,399 km (0.097 R)
• M19: 3,361,015 km (0.111 R)
• M20: 3,432,074 km (0.1 R)
• M21: 3,636,126 km (0.056 R)
• M22: 3,782,582 km (0.054 R)
• M23: 3,893,733 km (0.109 R)
• M24: 4,388,154 km (0.115 R)
• M25: 4,453,080 km (0.052 R)
• M26: 4,623,173 km (0.118 R)
• M27: 5,119,090 km (0.113 R)
• M28: 5,242,358 km (0.063 R)
• M29: 5,575,812 km (0.053 R)
• M30: 5,730,945 km (0.044 R)
• M31: 5,802,004 km (0.048 R)
• M32: 5,973,593 km (0.095 R)
• M33: 6,161,488 km (0.064 R)
• M34: 6,234,342 km (0.095 R)
• M35: 6,395,459 km (0.068 R)
• M36: 6,483,871 km (0.107 R)
• M37: 6,572,732 km (0.106 R)
• M38: 6,721,881 km (0.083 R)
• M39: 6,932,365 km (0.085 R)
• M40: 7,206,429 km (0.111 R)
• M41: 7,546,165 km (0.071 R)
• M42: 7,624,106 km (0.107 R)
• M43: 7,843,716 km (0.074 R)
• M44: 7,986,133 km (0.04 R)
• M45: 8,113,291 km (0.101 R)
• M46: 8,482,947 km (0.113 R)
• M47: 8,564,029 km (0.027 R)
• M48: 8,743,397 km (0.115 R)
• M49: 8,907,506 km (0.031 R)
• M50: 9,405,966 km (0.066 R)
• M51: 9,506,645 km (0.113 R)
• M52: 9,624,828 km (0.099 R)
• M53: 9,692,446 km (0.113 R)
• M54: 9,947,660 km (0.072 R)
• M55: 10,084,692 km (0.028 R)
• M56: 10,239,525 km (0.036 R)
• M57: 10,325,993 km (0.082 R)
• M58: 10,779,125 km (0.069 R)
• M59: 11,008,159 km (0.042 R)
• M60: 11,132,176 km (0.093 R)
• M61: 11,381,556 km (0.092 R)
• M62: 11,741,189 km (0.066 R)
• M63: 12,159,165 km (0.063 R)
• M64: 12,305,771 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.6

Radius: 13.2

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.2 AU - 2.7 AU

Year: 2476 Days

Day: 6.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 30,095,568 km

• M1: 172,187 km (0.117 R)
• M2: 322,982 km (0.03 R)
• M3: 436,377 km (0.081 R)
• M4: 560,992 km (0.046 R)
• M5: 766,689 km (0.098 R)
• M6: 879,785 km (0.103 R)
• M7: 980,464 km (0.101 R)
• M8: 1,265,897 km (0.089 R)
• M9: 1,392,158 km (0.074 R)
• M10: 1,646,624 km (0.072 R)
• M11: 1,892,413 km (0.119 R)
• M12: 2,137,903 km (0.119 R)
• M13: 2,239,181 km (0.095 R)
• M14: 2,852,682 km (0.083 R)
• M15: 3,021,279 km (0.117 R)
• M16: 3,280,532 km (0.068 R)
• M17: 3,398,116 km (0.105 R)
• M18: 3,547,115 km (0.102 R)
• M19: 3,698,359 km (0.103 R)
• M20: 3,851,846 km (0.112 R)
• M21: 4,149,247 km (0.115 R)
• M22: 4,405,657 km (0.118 R)
• M23: 4,584,876 km (0.072 R)
• M24: 4,750,032 km (0.111 R)
• M25: 4,883,622 km (0.061 R)
• M26: 5,001,506 km (0.097 R)
• M27: 5,120,436 km (0.089 R)
• M28: 5,500,265 km (0.095 R)
• M29: 5,800,059 km (0.113 R)
• M30: 5,925,123 km (0.11 R)
• M31: 6,342,351 km (0.082 R)
• M32: 6,471,305 km (0.107 R)
• M33: 6,563,906 km (0.117 R)
• M34: 6,731,755 km (0.102 R)
• M35: 7,475,555 km (0.116 R)
• M36: 7,985,983 km (0.115 R)
• M37: 8,325,869 km (0.119 R)
• M38: 8,731,878 km (0.083 R)
• M39: 9,082,087 km (0.088 R)
• M40: 9,478,970 km (0.107 R)
• M41: 9,945,715 km (0.038 R)
• M42: 10,268,398 km (0.1 R)
• M43: 10,528,848 km (0.088 R)
• M44: 10,725,719 km (0.119 R)
• M45: 11,034,489 km (0.099 R)
• M46: 12,183,699 km (0.085 R)
• M47: 12,275,403 km (0.11 R)
• M48: 12,994,370 km (0.1 R)
• M49: 13,323,486 km (0.107 R)
• M50: 13,418,031 km (0.089 R)
• M51: 13,512,876 km (0.084 R)
• M52: 13,631,657 km (0.108 R)
• M53: 13,726,951 km (0.117 R)
• M54: 13,942,222 km (0.12 R)
• M55: 14,303,352 km (0.107 R)
• M56: 14,887,681 km (0.101 R)
• M57: 15,010,501 km (0.058 R)
• M58: 15,108,787 km (0.116 R)
• M59: 15,430,272 km (0.072 R)
• M60: 15,579,272 km (0.095 R)
• M61: 16,079,826 km (0.113 R)
• M62: 16,306,766 km (0.086 R)
• M63: 16,407,894 km (0.105 R)
• M64: 16,789,369 km (0.111 R)
• M65: 16,891,544 km (0.119 R)
• M66: 17,379,832 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.7

Radius: 10.8

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.31 AU - 4.81 AU

Year: 5282 Days

Day: 11.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 30,095,568 km

• M1: 338,989 km (0.12 R)
• M2: 420,370 km (0.11 R)
• M3: 499,956 km (0.101 R)
• M4: 574,605 km (0.075 R)
• M5: 1,053,468 km (0.055 R)
• M6: 1,257,370 km (0.069 R)
• M7: 1,771,538 km (0.11 R)
• M8: 1,944,922 km (0.085 R)
• M9: 2,069,836 km (0.099 R)
• M10: 2,160,642 km (0.048 R)
• M11: 2,308,894 km (0.089 R)
• M12: 2,518,331 km (0.112 R)
• M13: 2,734,200 km (0.076 R)
• M14: 2,814,086 km (0.107 R)
• M15: 3,204,985 km (0.106 R)
• M16: 3,374,778 km (0.059 R)
• M17: 3,504,031 km (0.097 R)
• M18: 3,789,912 km (0.088 R)
• M19: 4,244,690 km (0.06 R)
• M20: 4,337,740 km (0.07 R)
• M21: 4,813,311 km (0.079 R)
• M22: 4,934,935 km (0.066 R)
• M23: 5,156,190 km (0.049 R)
• M24: 5,255,672 km (0.094 R)
• M25: 5,431,300 km (0.043 R)
• M26: 5,814,121 km (0.096 R)
• M27: 5,917,643 km (0.053 R)
• M28: 6,100,452 km (0.053 R)
• M29: 6,179,290 km (0.106 R)
• M30: 6,741,179 km (0.1 R)
• M31: 6,822,860 km (0.095 R)
• M32: 6,987,118 km (0.104 R)
• M33: 7,375,474 km (0.039 R)
• M34: 7,515,947 km (0.084 R)
• M35: 7,799,435 km (0.066 R)
• M36: 7,971,173 km (0.115 R)
• M37: 8,494,167 km (0.096 R)
• M38: 9,058,301 km (0.048 R)
• M39: 9,239,015 km (0.105 R)
• M40: 9,329,821 km (0.116 R)
• M41: 10,822,658 km (0.093 R)
• M42: 11,078,770 km (0.056 R)
• M43: 11,694,664 km (0.074 R)
• M44: 11,793,099 km (0.075 R)
• M45: 11,990,419 km (0.096 R)
• M46: 12,155,874 km (0.036 R)
• M47: 12,255,357 km (0.103 R)
• M48: 12,522,239 km (0.061 R)
• M49: 13,402,922 km (0.032 R)
• M50: 15,152,020 km (0.072 R)
• M51: 15,330,939 km (0.073 R)
• M52: 15,510,457 km (0.106 R)
• M53: 15,980,493 km (0.111 R)
• M54: 16,455,317 km (0.119 R)
• M55: 18,096,705 km (0.072 R)
• M56: 18,248,547 km (0.069 R)
• M57: 18,591,575 km (0.036 R)
• M58: 19,555,882 km (0.073 R)
• M59: 19,750,659 km (0.09 R)
• M60: 19,985,228 km (0.058 R)
• M61: 20,299,533 km (0.094 R)
• M62: 21,292,115 km (0.057 R)
• M63: 21,492,427 km (0.098 R)
• M64: 22,259,864 km (0.11 R)
• M65: 22,585,539 km (0.087 R)
• M66: 22,708,209 km (0.082 R)
• M67: 23,655,163 km (0.092 R)
• M68: 23,738,190 km (0.099 R)
• M69: 24,321,622 km (0.043 R)
• M70: 25,545,332 km (0.119 R)
• M71: 25,758,360 km (0.055 R)
• M72: 26,616,304 km (0.116 R)
• M73: 27,048,641 km (0.045 R)
• M74: 27,352,774 km (0.106 R)
• M75: 27,570,738 km (0.089 R)
• M76: 29,826,375 km (0.051 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 436 - 17,751 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit