🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.28

Radius: 1.39

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.53 AU - 0.65 AU

Year: 297 Days

Day: 35.4 Hours

Environment

Temp: -124 °C

Axial Tilt: 27.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.99 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.6

Radius: 12.6

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.33 AU - 1.43 AU

Year: 1063 Days

Day: 13.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,931,511 km

• M1: 156,629 km (0.064 R)
• M2: 628,760 km (0.088 R)
• M3: 1,153,250 km (0.093 R)
• M4: 1,567,187 km (0.115 R)
• M5: 2,244,566 km (0.12 R)
• M6: 2,671,220 km (0.111 R)
• M7: 3,152,326 km (0.098 R)
• M8: 3,770,914 km (0.092 R)
• M9: 4,204,149 km (0.102 R)
• M10: 4,670,745 km (0.075 R)
• M11: 6,013,086 km (0.108 R)
• M12: 7,190,571 km (0.114 R)
• M13: 8,944,157 km (0.111 R)
• M14: 10,030,088 km (0.09 R)
• M15: 11,067,400 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.3

Radius: 12.3

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.65 AU - 2.13 AU

Year: 1705 Days

Day: 12.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,931,511 km

• M1: 153,039 km (0.116 R)
• M2: 606,470 km (0.096 R)
• M3: 1,091,765 km (0.097 R)
• M4: 1,538,165 km (0.112 R)
• M5: 2,119,203 km (0.094 R)
• M6: 2,743,027 km (0.055 R)
• M7: 3,272,753 km (0.11 R)
• M8: 3,692,225 km (0.054 R)
• M9: 4,640,825 km (0.096 R)
• M10: 6,334,572 km (0.071 R)
• M11: 6,882,699 km (0.041 R)
• M12: 7,605,257 km (0.077 R)
• M13: 8,751,326 km (0.051 R)
• M14: 10,044,151 km (0.107 R)
• M15: 11,048,102 km (0.108 R)
• M16: 13,592,911 km (0.054 R)
• M17: 14,462,524 km (0.106 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 440.3

Radius: 3.1

Gravity: 45.82 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 6.13 AU - 6.15 AU

Year: 9981 Days

Day: 18.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 75,931,511 km

• M1: 39,045 km (0.044 R)
• M2: 144,661 km (0.113 R)
• M3: 241,301 km (0.111 R)
• M4: 339,886 km (0.082 R)
• M5: 443,109 km (0.114 R)
• M6: 588,069 km (0.062 R)
• M7: 974,032 km (0.092 R)
• M8: 1,141,881 km (0.06 R)
• M9: 1,521,859 km (0.094 R)
• M10: 2,095,567 km (0.099 R)
• M11: 2,680,195 km (0.078 R)
• M12: 4,406,405 km (0.095 R)
• M13: 4,864,923 km (0.094 R)
• M14: 5,610,967 km (0.042 R)
• M15: 6,465,919 km (0.117 R)
• M16: 7,602,265 km (0.103 R)
• M17: 9,088,370 km (0.057 R)
• M18: 9,592,814 km (0.113 R)
• M19: 11,114,224 km (0.111 R)
• M20: 12,231,571 km (0.099 R)
• M21: 12,508,327 km (0.111 R)
• M22: 12,959,664 km (0.078 R)
• M23: 13,894,650 km (0.096 R)
• M24: 14,135,353 km (0.047 R)
• M25: 15,702,540 km (0.105 R)
• M26: 16,029,412 km (0.12 R)
• M27: 17,105,619 km (0.087 R)
• M28: 18,014,725 km (0.097 R)
• M29: 20,621,468 km (0.037 R)
• M30: 20,777,648 km (0.098 R)
• M31: 22,796,322 km (0.09 R)
• M32: 25,565,977 km (0.056 R)
• M33: 28,070,694 km (0.044 R)
• M34: 33,776,806 km (0.038 R)
• M35: 33,993,872 km (0.111 R)
• M36: 37,014,552 km (0.105 R)
• M37: 37,942,807 km (0.108 R)
• M38: 39,244,309 km (0.111 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 135.3

Radius: 3.8

Gravity: 9.37 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 6.39 AU - 6.55 AU

Year: 10796 Days

Day: 16.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,931,511 km

• M1: 47,423 km (0.104 R)
• M2: 179,069 km (0.103 R)
• M3: 372,499 km (0.057 R)
• M4: 580,889 km (0.102 R)
• M5: 1,450,202 km (0.076 R)
• M6: 1,760,468 km (0.111 R)
• M7: 3,210,520 km (0.1 R)
• M8: 3,915,126 km (0.113 R)
• M9: 4,717,270 km (0.103 R)
• M10: 8,633,742 km (0.105 R)
• M11: 8,908,254 km (0.116 R)
• M12: 10,768,204 km (0.111 R)
• M13: 12,420,962 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 378.5

Radius: 4.6

Gravity: 17.89 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 6.63 AU - 8.57 AU

Year: 13745 Days

Day: 16.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,931,511 km

• M1: 57,146 km (0.082 R)
• M2: 241,601 km (0.109 R)
• M3: 385,065 km (0.03 R)
• M4: 991,983 km (0.075 R)
• M5: 1,755,381 km (0.06 R)
• M6: 4,424,058 km (0.07 R)
• M7: 5,229,343 km (0.095 R)
• M8: 6,729,660 km (0.104 R)
• M9: 6,885,990 km (0.104 R)
• M10: 13,767,492 km (0.112 R)
• M11: 17,809,327 km (0.052 R)
• M12: 18,260,066 km (0.086 R)
• M13: 22,315,814 km (0.111 R)
• M14: 39,882,792 km (0.102 R)
• M15: 42,092,353 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 546.6

Radius: 3

Gravity: 60.73 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 8.52 AU - 12.48 AU

Year: 22320 Days

Day: 22.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 75,931,511 km

• M1: 42,486 km (0.103 R)
• M2: 245,490 km (0.1 R)
• M3: 494,870 km (0.106 R)
• M4: 802,144 km (0.046 R)
• M5: 948,750 km (0.056 R)
• M6: 1,047,634 km (0.119 R)
• M7: 1,281,007 km (0.073 R)
• M8: 1,615,657 km (0.115 R)
• M9: 1,794,127 km (0.11 R)
• M10: 2,298,272 km (0.112 R)
• M11: 2,642,646 km (0.091 R)
• M12: 2,994,052 km (0.112 R)
• M13: 3,181,049 km (0.085 R)
• M14: 3,637,622 km (0.117 R)
• M15: 4,714,726 km (0.111 R)
• M16: 5,116,397 km (0.104 R)
• M17: 6,770,351 km (0.067 R)
• M18: 9,695,887 km (0.066 R)
• M19: 11,400,255 km (0.099 R)
• M20: 13,944,915 km (0.113 R)
• M21: 16,267,123 km (0.101 R)
• M22: 20,687,890 km (0.052 R)
• M23: 21,560,344 km (0.069 R)
• M24: 21,658,780 km (0.059 R)
• M25: 22,055,513 km (0.11 R)
• M26: 22,659,739 km (0.115 R)
• M27: 22,863,491 km (0.092 R)
• M28: 26,069,075 km (0.101 R)
• M29: 26,405,221 km (0.098 R)
• M30: 28,720,248 km (0.107 R)
• M31: 30,418,932 km (0.083 R)
• M32: 31,419,143 km (0.12 R)
• M33: 32,183,439 km (0.111 R)
• M34: 39,187,312 km (0.109 R)
• M35: 40,370,631 km (0.062 R)
• M36: 44,063,006 km (0.072 R)
• M37: 44,221,579 km (0.115 R)
• M38: 44,859,614 km (0.05 R)
• M39: 47,974,242 km (0.114 R)
• M40: 49,327,654 km (0.109 R)
• M41: 54,996,216 km (0.091 R)
• M42: 64,492,540 km (0.095 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: 544 - 13,030 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit