🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715

Radius: 15

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.97 AU - 1.31 AU

Year: 812 Days

Day: 10.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,486,569 km

• M1: 186,549 km (0.116 R)
• M2: 921,523 km (0.065 R)
• M3: 1,471,145 km (0.092 R)
• M4: 1,937,592 km (0.075 R)
• M5: 2,638,607 km (0.082 R)
• M6: 3,288,610 km (0.108 R)
• M7: 3,804,573 km (0.089 R)
• M8: 4,407,303 km (0.111 R)
• M9: 5,055,660 km (0.065 R)
• M10: 5,573,568 km (0.079 R)
• M11: 6,291,937 km (0.068 R)
• M12: 8,693,431 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.3

Radius: 14.6

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.55 AU - 2.85 AU

Year: 2959 Days

Day: 8.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,486,569 km

• M1: 181,612 km (0.097 R)
• M2: 774,618 km (0.086 R)
• M3: 1,298,210 km (0.096 R)
• M4: 2,075,072 km (0.102 R)
• M5: 2,842,360 km (0.071 R)
• M6: 3,557,737 km (0.09 R)
• M7: 4,057,244 km (0.087 R)
• M8: 5,051,322 km (0.1 R)
• M9: 5,940,083 km (0.035 R)
• M10: 7,275,842 km (0.088 R)
• M11: 8,029,367 km (0.072 R)
• M12: 9,924,173 km (0.062 R)
• M13: 10,606,040 km (0.091 R)
• M14: 11,428,529 km (0.101 R)
• M15: 11,912,179 km (0.094 R)
• M16: 13,080,539 km (0.076 R)
• M17: 14,026,895 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.2

Radius: 8.9

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 3.66 AU - 4.38 AU

Year: 5375 Days

Day: 12.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,486,569 km

• M1: 110,852 km (0.098 R)
• M2: 423,212 km (0.114 R)
• M3: 777,909 km (0.04 R)
• M4: 1,188,405 km (0.101 R)
• M5: 1,915,302 km (0.098 R)
• M6: 2,201,183 km (0.071 R)
• M7: 2,659,701 km (0.102 R)
• M8: 3,053,442 km (0.092 R)
• M9: 4,638,731 km (0.057 R)
• M10: 5,315,512 km (0.059 R)
• M11: 6,802,963 km (0.104 R)
• M12: 7,983,440 km (0.09 R)
• M13: 9,218,520 km (0.037 R)
• M14: 9,644,276 km (0.076 R)
• M15: 10,002,263 km (0.097 R)
• M16: 10,660,494 km (0.088 R)
• M17: 12,432,630 km (0.101 R)
• M18: 12,761,895 km (0.059 R)
• M19: 13,242,254 km (0.099 R)
• M20: 13,884,777 km (0.081 R)
• M21: 16,269,965 km (0.065 R)
• M22: 16,720,853 km (0.115 R)
• M23: 17,412,893 km (0.083 R)
• M24: 20,050,004 km (0.098 R)
• M25: 21,564,533 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.1

Radius: 12.1

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 3.82 AU - 4.38 AU

Year: 5536 Days

Day: 12.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 49,486,569 km

• M1: 150,495 km (0.048 R)
• M2: 688,300 km (0.06 R)
• M3: 1,492,089 km (0.117 R)
• M4: 2,186,971 km (0.109 R)
• M5: 2,646,237 km (0.082 R)
• M6: 3,047,608 km (0.1 R)
• M7: 3,975,115 km (0.074 R)
• M8: 4,611,354 km (0.079 R)
• M9: 5,403,475 km (0.095 R)
• M10: 5,959,381 km (0.109 R)
• M11: 6,899,603 km (0.104 R)
• M12: 7,517,143 km (0.098 R)
• M13: 7,936,167 km (0.046 R)
• M14: 8,821,338 km (0.116 R)
• M15: 10,178,938 km (0.102 R)
• M16: 11,371,682 km (0.115 R)
• M17: 12,338,683 km (0.11 R)
• M18: 13,749,989 km (0.093 R)
• M19: 16,002,484 km (0.095 R)
• M20: 16,379,471 km (0.075 R)
• M21: 18,697,639 km (0.078 R)
• M22: 19,611,982 km (0.099 R)
• M23: 20,408,740 km (0.057 R)
• M24: 31,625,588 km (0.112 R)
• M25: 32,922,901 km (0.097 R)
• M26: 33,431,384 km (0.059 R)
• M27: 34,882,633 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.9

Radius: 13.4

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 4.2 AU - 4.72 AU

Year: 6281 Days

Day: 14.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 49,486,569 km

• M1: 166,652 km (0.071 R)
• M2: 812,167 km (0.073 R)
• M3: 2,742,727 km (0.108 R)
• M4: 3,840,626 km (0.073 R)
• M5: 6,240,026 km (0.109 R)
• M6: 6,819,569 km (0.119 R)
• M7: 7,585,210 km (0.052 R)
• M8: 8,286,226 km (0.102 R)
• M9: 9,115,597 km (0.101 R)
• M10: 9,594,908 km (0.075 R)
• M11: 12,093,342 km (0.113 R)
• M12: 14,348,231 km (0.104 R)
• M13: 15,178,649 km (0.099 R)
• M14: 15,791,402 km (0.065 R)
• M15: 16,741,199 km (0.095 R)
• M16: 17,863,482 km (0.056 R)
• M17: 22,778,969 km (0.095 R)
• M18: 23,339,512 km (0.111 R)
• M19: 24,239,044 km (0.103 R)
• M20: 24,907,746 km (0.055 R)
• M21: 25,847,221 km (0.06 R)
• M22: 29,937,975 km (0.058 R)
• M23: 31,195,794 km (0.119 R)
• M24: 31,987,166 km (0.069 R)
• M25: 34,336,900 km (0.117 R)
• M26: 35,286,996 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 461.8

Radius: 4.8

Gravity: 20.04 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 5.41 AU - 8.91 AU

Year: 12776 Days

Day: 21.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,486,569 km

• M1: 59,690 km (0.06 R)
• M2: 277,654 km (0.097 R)
• M3: 571,763 km (0.099 R)
• M4: 760,256 km (0.094 R)
• M5: 1,772,136 km (0.116 R)
• M6: 2,365,741 km (0.113 R)
• M7: 2,771,899 km (0.062 R)
• M8: 3,199,300 km (0.039 R)
• M9: 5,768,494 km (0.12 R)
• M10: 6,616,265 km (0.09 R)
• M11: 7,130,433 km (0.072 R)
• M12: 9,407,313 km (0.086 R)
• M13: 13,508,688 km (0.081 R)
• M14: 14,140,888 km (0.058 R)
• M15: 14,726,714 km (0.072 R)
• M16: 15,328,396 km (0.09 R)
• M17: 30,093,706 km (0.115 R)
• M18: 37,799,642 km (0.095 R)
• M19: 40,331,736 km (0.064 R)
• M20: 40,851,439 km (0.105 R)
• M21: 41,639,221 km (0.098 R)
• M22: 43,926,273 km (0.118 R)
• M23: 44,476,345 km (0.056 R)
• M24: 44,752,951 km (0.057 R)
• M25: 47,151,902 km (0.089 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: 172 - 15,338 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit