🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.46 AU - 0.64 AU

Year: 268 Days

Day: 28.7 Hours

Environment

Temp: -115 °C

Axial Tilt: 36.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,729,894 km

• M1: 149,149 km (0.092 R)

Asteroid Belt

Center: 0.84 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.8

Radius: 12

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.12 AU - 1.14 AU

Year: 788 Days

Day: 9.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,729,894 km

• M1: 149,747 km (0.104 R)
• M2: 531,222 km (0.061 R)
• M3: 1,102,836 km (0.046 R)
• M4: 1,552,975 km (0.043 R)
• M5: 1,950,457 km (0.119 R)
• M6: 2,677,054 km (0.083 R)
• M7: 3,243,581 km (0.025 R)
• M8: 3,730,672 km (0.118 R)
• M9: 4,360,479 km (0.07 R)
• M10: 4,990,286 km (0.07 R)
• M11: 5,775,375 km (0.037 R)
• M12: 6,228,208 km (0.082 R)
• M13: 7,006,416 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472

Radius: 12

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.79 AU - 2.73 AU

Year: 2229 Days

Day: 13.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,729,894 km

• M1: 154,235 km (0.07 R)
• M2: 608,415 km (0.052 R)
• M3: 1,332,468 km (0.108 R)
• M4: 1,951,654 km (0.065 R)
• M5: 2,405,235 km (0.105 R)
• M6: 3,049,104 km (0.066 R)
• M7: 3,495,354 km (0.072 R)
• M8: 3,894,332 km (0.109 R)
• M9: 5,759,817 km (0.077 R)
• M10: 6,395,309 km (0.047 R)
• M11: 7,296,487 km (0.1 R)
• M12: 8,160,115 km (0.099 R)
• M13: 9,285,091 km (0.08 R)
• M14: 11,125,893 km (0.11 R)
• M15: 11,957,208 km (0.085 R)
• M16: 12,748,581 km (0.1 R)
• M17: 13,364,775 km (0.072 R)
• M18: 14,656,702 km (0.089 R)
• M19: 15,241,779 km (0.027 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.6

Radius: 9.9

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.01 AU - 2.61 AU

Year: 2303 Days

Day: 13.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,729,894 km

• M1: 123,119 km (0.106 R)
• M2: 456,573 km (0.071 R)
• M3: 772,823 km (0.104 R)
• M4: 1,197,082 km (0.117 R)
• M5: 1,529,189 km (0.051 R)
• M6: 1,923,529 km (0.033 R)
• M7: 2,411,069 km (0.102 R)
• M8: 3,320,175 km (0.1 R)
• M9: 3,898,072 km (0.072 R)
• M10: 5,016,316 km (0.094 R)
• M11: 5,661,531 km (0.114 R)
• M12: 6,064,847 km (0.102 R)
• M13: 6,956,002 km (0.113 R)
• M14: 7,335,980 km (0.11 R)
• M15: 8,019,792 km (0.111 R)
• M16: 8,347,112 km (0.107 R)
• M17: 9,481,363 km (0.034 R)
• M18: 12,208,832 km (0.062 R)
• M19: 12,803,035 km (0.064 R)
• M20: 14,221,522 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.6

Radius: 11.9

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.73 AU - 3.09 AU

Year: 3256 Days

Day: 12.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,729,894 km

• M1: 147,952 km (0.11 R)
• M2: 751,879 km (0.057 R)
• M3: 1,380,639 km (0.08 R)
• M4: 1,933,253 km (0.061 R)
• M5: 2,517,134 km (0.113 R)
• M6: 3,022,176 km (0.035 R)
• M7: 3,576,586 km (0.107 R)
• M8: 4,060,385 km (0.102 R)
• M9: 4,802,540 km (0.062 R)
• M10: 5,322,543 km (0.077 R)
• M11: 6,914,264 km (0.094 R)
• M12: 8,285,628 km (0.045 R)
• M13: 8,671,590 km (0.113 R)
• M14: 9,307,232 km (0.085 R)
• M15: 9,759,915 km (0.034 R)
• M16: 10,300,412 km (0.086 R)
• M17: 11,799,831 km (0.026 R)
• M18: 12,330,604 km (0.075 R)
• M19: 13,265,142 km (0.101 R)
• M20: 14,568,439 km (0.053 R)
• M21: 15,323,160 km (0.106 R)
• M22: 17,797,359 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.3

Radius: 13.4

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.69 AU - 3.21 AU

Year: 3324 Days

Day: 6.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,729,894 km

• M1: 166,951 km (0.057 R)
• M2: 585,975 km (0.028 R)
• M3: 1,370,316 km (0.04 R)
• M4: 1,826,141 km (0.118 R)
• M5: 2,282,116 km (0.107 R)
• M6: 2,712,060 km (0.09 R)
• M7: 3,900,316 km (0.094 R)
• M8: 4,799,249 km (0.075 R)
• M9: 5,472,440 km (0.062 R)
• M10: 6,321,258 km (0.109 R)
• M11: 9,400,730 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.8

Radius: 9.1

Gravity: 9.43 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.77 AU - 4.33 AU

Year: 4388 Days

Day: 9.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,729,894 km

• M1: 113,246 km (0.119 R)
• M2: 403,465 km (0.12 R)
• M3: 712,086 km (0.052 R)
• M4: 996,322 km (0.054 R)
• M5: 1,423,573 km (0.083 R)
• M6: 1,834,668 km (0.026 R)
• M7: 2,156,753 km (0.077 R)
• M8: 3,933,377 km (0.079 R)
• M9: 4,425,105 km (0.113 R)
• M10: 5,474,684 km (0.087 R)
• M11: 6,747,014 km (0.073 R)
• M12: 7,769,365 km (0.104 R)
• M13: 9,208,647 km (0.116 R)
• M14: 9,822,895 km (0.095 R)
• M15: 11,595,032 km (0.085 R)
• M16: 11,925,793 km (0.077 R)
• M17: 13,991,290 km (0.045 R)
• M18: 14,638,301 km (0.059 R)
• M19: 16,759,449 km (0.097 R)
• M20: 17,737,221 km (0.083 R)
• M21: 19,605,549 km (0.109 R)
• M22: 20,759,846 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 143.9

Radius: 3.1

Gravity: 14.97 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 4.74 AU - 7.58 AU

Year: 10030 Days

Day: 16.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,729,894 km

• M1: 38,596 km (0.086 R)
• M2: 138,677 km (0.083 R)
• M3: 270,024 km (0.032 R)
• M4: 1,063,192 km (0.091 R)
• M5: 1,603,091 km (0.085 R)
• M6: 1,877,004 km (0.109 R)
• M7: 2,091,079 km (0.117 R)
• M8: 4,503,195 km (0.063 R)
• M9: 5,126,569 km (0.101 R)
• M10: 7,304,415 km (0.033 R)
• M11: 7,547,811 km (0.118 R)
• M12: 8,161,312 km (0.048 R)
• M13: 8,385,559 km (0.084 R)
• M14: 8,690,888 km (0.09 R)
• M15: 9,404,919 km (0.027 R)
• M16: 11,875,528 km (0.082 R)
• M17: 12,753,218 km (0.037 R)
• M18: 16,400,115 km (0.112 R)
• M19: 16,937,621 km (0.068 R)
• M20: 18,491,793 km (0.036 R)
• M21: 20,962,551 km (0.05 R)
• M22: 21,242,150 km (0.048 R)
• M23: 27,536,181 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 91.7

Radius: 4.7

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 6.12 AU - 8.22 AU

Year: 12595 Days

Day: 23.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,729,894 km

• M1: 58,792 km (0.054 R)
• M2: 342,130 km (0.096 R)
• M3: 828,922 km (0.093 R)
• M4: 2,456,397 km (0.091 R)
• M5: 2,641,749 km (0.116 R)
• M6: 5,124,176 km (0.104 R)
• M7: 5,684,420 km (0.11 R)
• M8: 5,889,818 km (0.081 R)
• M9: 6,130,820 km (0.114 R)
• M10: 9,071,465 km (0.065 R)
• M11: 9,352,260 km (0.053 R)
• M12: 15,851,241 km (0.067 R)
• M13: 16,732,821 km (0.112 R)
• M14: 24,218,848 km (0.06 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 241.6

Radius: 6.9

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 6.1 AU - 10.14 AU

Year: 15179 Days

Day: 17.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 44,729,894 km

• M1: 89,609 km (0.073 R)
• M2: 470,485 km (0.044 R)
• M3: 775,067 km (0.056 R)
• M4: 1,065,885 km (0.113 R)
• M5: 1,364,931 km (0.062 R)
• M6: 2,554,982 km (0.089 R)
• M7: 3,393,329 km (0.116 R)
• M8: 3,635,378 km (0.115 R)
• M9: 4,346,865 km (0.074 R)
• M10: 6,042,856 km (0.12 R)
• M11: 6,807,750 km (0.111 R)
• M12: 7,194,012 km (0.049 R)
• M13: 9,115,597 km (0.069 R)
• M14: 9,442,468 km (0.118 R)
• M15: 9,728,948 km (0.031 R)
• M16: 10,219,180 km (0.098 R)
• M17: 11,679,555 km (0.055 R)
• M18: 14,247,552 km (0.06 R)
• M19: 14,498,278 km (0.093 R)
• M20: 14,943,930 km (0.068 R)
• M21: 16,818,690 km (0.106 R)
• M22: 17,098,737 km (0.115 R)
• M23: 18,323,794 km (0.118 R)
• M24: 18,620,297 km (0.027 R)
• M25: 18,995,489 km (0.096 R)
• M26: 19,994,503 km (0.047 R)
• M27: 20,706,440 km (0.07 R)
• M28: 21,109,157 km (0.078 R)
• M29: 25,063,178 km (0.061 R)
• M30: 25,983,505 km (0.092 R)
• M31: 29,080,480 km (0.047 R)
• M32: 33,728,336 km (0.028 R)
• M33: 36,111,580 km (0.06 R)
• M34: 37,403,656 km (0.097 R)
• M35: 38,241,853 km (0.079 R)
• M36: 39,460,777 km (0.115 R)
• M37: 41,083,764 km (0.086 R)
• M38: 41,975,966 km (0.042 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 381 - 13,941 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit