🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.6

Radius: 0.82

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.55 AU - 0.61 AU

Year: 285 Days

Day: 37.2 Hours

Environment

Temp: -117 °C

Axial Tilt: 12.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.85 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.2

Radius: 11.6

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.05 AU - 1.19 AU

Year: 765 Days

Day: 10.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,491,995 km

• M1: 144,661 km (0.098 R)
• M2: 508,633 km (0.063 R)
• M3: 876,195 km (0.113 R)
• M4: 1,317,060 km (0.058 R)
• M5: 1,729,052 km (0.094 R)
• M6: 2,364,394 km (0.076 R)
• M7: 2,797,331 km (0.097 R)
• M8: 3,706,287 km (0.115 R)
• M9: 4,360,030 km (0.026 R)
• M10: 5,387,767 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.1

Radius: 12.9

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.04 AU - 1.58 AU

Year: 968 Days

Day: 12.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,491,995 km

• M1: 160,369 km (0.064 R)
• M2: 588,219 km (0.119 R)
• M3: 1,026,241 km (0.109 R)
• M4: 1,655,151 km (0.073 R)
• M5: 2,068,639 km (0.074 R)
• M6: 2,674,361 km (0.11 R)
• M7: 3,180,900 km (0.044 R)
• M8: 4,103,320 km (0.104 R)
• M9: 4,552,263 km (0.071 R)
• M10: 5,901,337 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.9

Radius: 12.2

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.45 AU - 1.83 AU

Year: 1356 Days

Day: 8.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,491,995 km

• M1: 151,692 km (0.033 R)
• M2: 575,802 km (0.093 R)
• M3: 1,289,683 km (0.075 R)
• M4: 1,672,803 km (0.09 R)
• M5: 2,122,495 km (0.076 R)
• M6: 2,515,638 km (0.081 R)
• M7: 3,183,742 km (0.113 R)
• M8: 3,639,267 km (0.117 R)
• M9: 4,173,332 km (0.107 R)
• M10: 4,778,306 km (0.077 R)
• M11: 5,441,174 km (0.11 R)
• M12: 6,050,935 km (0.068 R)
• M13: 6,514,090 km (0.098 R)
• M14: 6,951,065 km (0.108 R)
• M15: 9,076,103 km (0.038 R)
• M16: 10,680,690 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.3

Radius: 8.6

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.21 AU - 2.29 AU

Year: 2179 Days

Day: 7 Hours

Environment

Temp: -193 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 75,491,995 km

• M1: 106,962 km (0.108 R)
• M2: 468,690 km (0.099 R)
• M3: 1,230,442 km (0.106 R)
• M4: 2,041,562 km (0.09 R)
• M5: 2,956,802 km (0.105 R)
• M6: 5,012,426 km (0.12 R)
• M7: 5,418,734 km (0.109 R)
• M8: 5,776,871 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.9

Radius: 13.6

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.65 AU - 3.17 AU

Year: 3205 Days

Day: 5.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 52.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,491,995 km

• M1: 170,242 km (0.088 R)
• M2: 840,441 km (0.03 R)
• M3: 1,278,015 km (0.072 R)
• M4: 2,041,113 km (0.114 R)
• M5: 2,554,832 km (0.114 R)
• M6: 4,069,212 km (0.115 R)
• M7: 4,892,449 km (0.109 R)
• M8: 5,332,865 km (0.115 R)
• M9: 6,168,070 km (0.092 R)
• M10: 6,843,654 km (0.107 R)
• M11: 9,503,205 km (0.107 R)
• M12: 11,101,209 km (0.106 R)
• M13: 12,221,996 km (0.101 R)
• M14: 14,824,102 km (0.025 R)
• M15: 16,279,091 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.9

Radius: 14.6

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 4.15 AU - 4.91 AU

Year: 6225 Days

Day: 9.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,491,995 km

• M1: 181,612 km (0.077 R)
• M2: 669,002 km (0.104 R)
• M3: 1,287,140 km (0.109 R)
• M4: 2,195,199 km (0.064 R)
• M5: 3,127,942 km (0.106 R)
• M6: 3,728,877 km (0.093 R)
• M7: 4,980,712 km (0.104 R)
• M8: 5,464,810 km (0.071 R)
• M9: 6,219,831 km (0.076 R)
• M10: 7,939,159 km (0.063 R)
• M11: 9,423,469 km (0.109 R)
• M12: 10,125,532 km (0.118 R)
• M13: 10,818,020 km (0.078 R)
• M14: 12,541,089 km (0.073 R)
• M15: 14,386,977 km (0.09 R)
• M16: 15,600,814 km (0.088 R)
• M17: 16,762,591 km (0.11 R)
• M18: 18,612,518 km (0.054 R)
• M19: 20,938,765 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 195.4

Radius: 4.6

Gravity: 9.23 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 8.69 AU - 11.07 AU

Year: 20052 Days

Day: 20.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 75,491,995 km

• M1: 58,194 km (0.091 R)
• M2: 251,175 km (0.1 R)
• M3: 395,537 km (0.085 R)
• M4: 628,012 km (0.064 R)
• M5: 878,439 km (0.12 R)
• M6: 1,133,952 km (0.088 R)
• M7: 1,304,942 km (0.073 R)
• M8: 1,550,283 km (0.116 R)
• M9: 2,009,698 km (0.119 R)
• M10: 2,243,070 km (0.055 R)
• M11: 2,554,832 km (0.047 R)
• M12: 3,076,031 km (0.103 R)
• M13: 3,312,994 km (0.059 R)
• M14: 4,563,483 km (0.118 R)
• M15: 5,394,499 km (0.066 R)
• M16: 6,862,952 km (0.109 R)
• M17: 7,392,528 km (0.119 R)
• M18: 10,455,096 km (0.118 R)
• M19: 11,771,707 km (0.073 R)
• M20: 12,529,121 km (0.12 R)
• M21: 14,269,991 km (0.107 R)
• M22: 14,597,012 km (0.112 R)
• M23: 15,885,199 km (0.095 R)
• M24: 16,095,235 km (0.108 R)
• M25: 16,954,226 km (0.106 R)
• M26: 17,469,291 km (0.029 R)
• M27: 17,994,529 km (0.093 R)
• M28: 18,919,493 km (0.101 R)
• M29: 22,144,225 km (0.099 R)
• M30: 22,670,809 km (0.101 R)
• M31: 23,295,530 km (0.072 R)
• M32: 23,931,770 km (0.083 R)
• M33: 32,157,259 km (0.066 R)
• M34: 33,746,736 km (0.106 R)
• M35: 35,031,932 km (0.04 R)
• M36: 38,955,435 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 488.9

Radius: 5.5

Gravity: 16.16 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 8.25 AU - 13.65 AU

Year: 23396 Days

Day: 15.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,491,995 km

• M1: 68,665 km (0.104 R)
• M2: 680,820 km (0.03 R)
• M3: 998,117 km (0.105 R)
• M4: 1,409,362 km (0.06 R)
• M5: 2,828,447 km (0.076 R)
• M6: 3,357,874 km (0.052 R)
• M7: 4,372,596 km (0.117 R)
• M8: 6,714,850 km (0.094 R)
• M9: 7,267,165 km (0.048 R)
• M10: 13,456,478 km (0.034 R)
• M11: 16,197,560 km (0.083 R)
• M12: 18,570,930 km (0.12 R)
• M13: 23,679,548 km (0.118 R)
• M14: 27,753,547 km (0.088 R)
• M15: 34,367,717 km (0.072 R)
• M16: 41,806,920 km (0.117 R)
• M17: 48,714,602 km (0.041 R)
• M18: 59,183,760 km (0.111 R)
• M19: 65,554,984 km (0.045 R)
• M20: 71,273,961 km (0.115 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 257 - 12,692 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit