🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.48 AU - 0.52 AU

Year: 232 Days

Day: 17 Hours

Environment

Temp: -116 °C

Axial Tilt: 7.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.46 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.8

Radius: 11.2

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.25 AU - 2.59 AU

Year: 2470 Days

Day: 13.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,415,861 km

• M1: 139,276 km (0.08 R)
• M2: 585,676 km (0.052 R)
• M3: 975,378 km (0.093 R)
• M4: 2,013,887 km (0.081 R)
• M5: 3,087,401 km (0.104 R)
• M6: 3,488,922 km (0.04 R)
• M7: 4,218,660 km (0.083 R)
• M8: 4,791,919 km (0.049 R)
• M9: 5,312,071 km (0.102 R)
• M10: 6,301,511 km (0.096 R)
• M11: 6,754,643 km (0.04 R)
• M12: 8,759,554 km (0.12 R)
• M13: 9,173,641 km (0.044 R)
• M14: 11,202,038 km (0.09 R)
• M15: 12,193,274 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.4

Radius: 12.5

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.62 AU - 4.18 AU

Year: 4113 Days

Day: 7.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,415,861 km

• M1: 155,432 km (0.07 R)
• M2: 546,032 km (0.096 R)
• M3: 1,026,690 km (0.073 R)
• M4: 1,478,925 km (0.037 R)
• M5: 1,890,169 km (0.093 R)
• M6: 2,724,626 km (0.102 R)
• M7: 3,334,836 km (0.052 R)
• M8: 3,851,098 km (0.1 R)
• M9: 4,376,187 km (0.097 R)
• M10: 4,877,639 km (0.102 R)
• M11: 5,316,260 km (0.062 R)
• M12: 6,133,961 km (0.094 R)
• M13: 7,373,380 km (0.109 R)
• M14: 9,313,963 km (0.115 R)
• M15: 10,304,002 km (0.115 R)
• M16: 11,237,194 km (0.038 R)
• M17: 11,745,976 km (0.112 R)
• M18: 13,131,851 km (0.029 R)
• M19: 14,277,471 km (0.06 R)
• M20: 14,724,021 km (0.104 R)
• M21: 16,712,775 km (0.093 R)
• M22: 20,457,658 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.7

Radius: 12.2

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 4.73 AU - 6.25 AU

Year: 8439 Days

Day: 6.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,415,861 km

• M1: 151,692 km (0.116 R)
• M2: 647,011 km (0.041 R)
• M3: 1,306,289 km (0.115 R)
• M4: 1,714,392 km (0.101 R)
• M5: 2,354,222 km (0.119 R)
• M6: 2,780,875 km (0.071 R)
• M7: 4,136,082 km (0.116 R)
• M8: 4,618,236 km (0.101 R)
• M9: 5,241,161 km (0.032 R)
• M10: 6,324,549 km (0.112 R)
• M11: 8,453,925 km (0.119 R)
• M12: 8,894,042 km (0.12 R)
• M13: 10,389,722 km (0.082 R)
• M14: 11,285,065 km (0.112 R)
• M15: 16,381,116 km (0.105 R)
• M16: 16,778,748 km (0.071 R)
• M17: 17,299,498 km (0.109 R)
• M18: 18,741,172 km (0.119 R)
• M19: 20,326,461 km (0.051 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 834.9

Radius: 6.1

Gravity: 22.44 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 6.59 AU - 7.27 AU

Year: 11968 Days

Day: 18.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 34,415,861 km

• M1: 77,641 km (0.111 R)
• M2: 330,163 km (0.114 R)
• M3: 648,656 km (0.109 R)
• M4: 1,124,378 km (0.116 R)
• M5: 1,877,453 km (0.097 R)
• M6: 2,995,398 km (0.107 R)
• M7: 3,574,492 km (0.072 R)
• M8: 6,982,331 km (0.086 R)
• M9: 8,321,382 km (0.099 R)
• M10: 10,862,900 km (0.099 R)
• M11: 12,217,209 km (0.026 R)
• M12: 14,013,281 km (0.099 R)
• M13: 21,410,746 km (0.087 R)
• M14: 22,406,320 km (0.095 R)
• M15: 23,149,672 km (0.117 R)
• M16: 24,587,308 km (0.087 R)
• M17: 25,578,244 km (0.063 R)
• M18: 42,094,746 km (0.087 R)
• M19: 45,546,568 km (0.095 R)
• M20: 47,190,050 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 387.9

Radius: 3.7

Gravity: 28.33 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 8.39 AU - 9.21 AU

Year: 17125 Days

Day: 17.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 34,415,861 km

• M1: 109,805 km (0.058 R)
• M2: 296,204 km (0.105 R)
• M3: 460,163 km (0.06 R)
• M4: 1,577,360 km (0.109 R)
• M5: 1,869,824 km (0.114 R)
• M6: 2,065,797 km (0.083 R)
• M7: 2,456,995 km (0.06 R)
• M8: 2,692,163 km (0.061 R)
• M9: 3,232,511 km (0.1 R)
• M10: 3,648,692 km (0.104 R)
• M11: 4,099,730 km (0.072 R)
• M12: 5,318,354 km (0.06 R)
• M13: 6,556,575 km (0.12 R)
• M14: 7,135,669 km (0.09 R)
• M15: 10,716,294 km (0.073 R)
• M16: 13,174,636 km (0.025 R)
• M17: 14,983,872 km (0.078 R)
• M18: 15,621,907 km (0.096 R)
• M19: 18,037,464 km (0.063 R)
• M20: 22,382,983 km (0.104 R)
• M21: 23,309,742 km (0.048 R)
• M22: 27,587,044 km (0.075 R)
• M23: 29,965,052 km (0.098 R)
• M24: 30,523,950 km (0.047 R)
• M25: 32,009,456 km (0.081 R)
• M26: 32,358,917 km (0.073 R)
• M27: 33,422,857 km (0.096 R)
• M28: 43,637,250 km (0.115 R)
• M29: 55,748,245 km (0.087 R)
• M30: 56,085,139 km (0.055 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 838.8

Radius: 5.8

Gravity: 24.93 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 8.7 AU - 10.98 AU

Year: 20249 Days

Day: 15.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 34,415,861 km

• M1: 119,080 km (0.112 R)
• M2: 360,082 km (0.102 R)
• M3: 550,371 km (0.075 R)
• M4: 910,153 km (0.108 R)
• M5: 1,248,843 km (0.09 R)
• M6: 1,668,315 km (0.063 R)
• M7: 2,220,481 km (0.107 R)
• M8: 3,073,039 km (0.114 R)
• M9: 6,637,658 km (0.077 R)
• M10: 8,640,623 km (0.108 R)
• M11: 9,255,171 km (0.037 R)
• M12: 10,759,378 km (0.079 R)
• M13: 12,842,080 km (0.06 R)
• M14: 13,201,414 km (0.116 R)
• M15: 14,015,675 km (0.065 R)
• M16: 15,743,530 km (0.08 R)
• M17: 16,072,346 km (0.031 R)
• M18: 16,489,724 km (0.109 R)
• M19: 17,520,903 km (0.068 R)
• M20: 18,594,417 km (0.069 R)
• M21: 19,334,029 km (0.112 R)
• M22: 22,592,869 km (0.059 R)
• M23: 22,906,127 km (0.071 R)
• M24: 30,936,241 km (0.096 R)
• M25: 37,802,784 km (0.114 R)
• M26: 38,244,396 km (0.105 R)
• M27: 40,503,923 km (0.118 R)
• M28: 42,058,843 km (0.086 R)
• M29: 53,147,187 km (0.114 R)
• M30: 57,107,342 km (0.098 R)
• M31: 63,720,764 km (0.1 R)
• M32: 65,397,457 km (0.085 R)
• M33: 73,535,881 km (0.084 R)
• M34: 81,586,490 km (0.028 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 46

Radius: 6.4

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 10.24 AU - 11.48 AU

Year: 23478 Days

Day: 16.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,415,861 km

• M1: 79,586 km (0.046 R)
• M2: 3,806,219 km (0.063 R)
• M3: 9,596,554 km (0.061 R)
• M4: 9,861,641 km (0.091 R)
• M5: 12,473,022 km (0.085 R)
• M6: 13,327,525 km (0.056 R)
• M7: 18,259,766 km (0.09 R)
• M8: 24,613,487 km (0.101 R)
• M9: 25,614,746 km (0.115 R)
• M10: 26,039,753 km (0.041 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 179 - 19,169 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit