🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.46 AU - 0.74 AU

Year: 300 Days

Day: 39.6 Hours

Environment

Temp: -127 °C

Axial Tilt: 16.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.4

Radius: 12.1

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.68 AU - 0.86 AU

Year: 436 Days

Day: 7.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,398,635 km

• M1: 150,495 km (0.067 R)
• M2: 531,820 km (0.072 R)
• M3: 1,020,706 km (0.095 R)
• M4: 2,333,577 km (0.066 R)
• M5: 2,753,498 km (0.104 R)
• M6: 3,155,169 km (0.053 R)
• M7: 3,621,316 km (0.103 R)
• M8: 4,428,695 km (0.115 R)
• M9: 4,921,920 km (0.061 R)
• M10: 5,435,040 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.4

Radius: 10.6

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.83 AU - 0.87 AU

Year: 506 Days

Day: 9.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 51,398,635 km

• M1: 131,945 km (0.059 R)
• M2: 483,949 km (0.083 R)
• M3: 935,735 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.1

Radius: 14

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.87 AU - 0.91 AU

Year: 542 Days

Day: 6.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 176.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,398,635 km

• M1: 174,132 km (0.076 R)
• M2: 667,506 km (0.068 R)
• M3: 1,196,334 km (0.103 R)
• M4: 1,643,632 km (0.075 R)
• M5: 2,170,665 km (0.117 R)
• M6: 2,758,585 km (0.066 R)
• M7: 3,204,835 km (0.098 R)
• M8: 3,686,989 km (0.1 R)
• M9: 4,329,961 km (0.081 R)
• M10: 5,094,256 km (0.047 R)
• M11: 5,551,128 km (0.094 R)
• M12: 6,053,328 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.2

Radius: 12.5

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.47 AU - 1.99 AU

Year: 1469 Days

Day: 14.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,398,635 km

• M1: 157,676 km (0.077 R)
• M2: 574,605 km (0.112 R)
• M3: 980,315 km (0.111 R)
• M4: 1,448,257 km (0.078 R)
• M5: 1,855,911 km (0.082 R)
• M6: 2,654,315 km (0.065 R)
• M7: 3,155,468 km (0.117 R)
• M8: 3,974,067 km (0.092 R)
• M9: 4,499,904 km (0.117 R)
• M10: 5,537,814 km (0.096 R)
• M11: 6,078,610 km (0.099 R)
• M12: 6,605,195 km (0.034 R)
• M13: 7,915,971 km (0.062 R)
• M14: 8,574,352 km (0.102 R)
• M15: 9,805,991 km (0.083 R)
• M16: 10,839,114 km (0.098 R)
• M17: 11,760,487 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.5

Radius: 11.2

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.67 AU - 3.91 AU

Year: 3853 Days

Day: 8.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,398,635 km

• M1: 427,700 km (0.038 R)
• M2: 1,121,386 km (0.04 R)
• M3: 2,372,024 km (0.073 R)
• M4: 3,502,685 km (0.075 R)
• M5: 4,459,513 km (0.093 R)
• M6: 4,814,807 km (0.092 R)
• M7: 8,065,569 km (0.101 R)
• M8: 8,416,227 km (0.065 R)
• M9: 9,110,660 km (0.071 R)
• M10: 9,842,942 km (0.086 R)
• M11: 10,993,200 km (0.072 R)
• M12: 11,424,939 km (0.083 R)
• M13: 11,823,318 km (0.1 R)
• M14: 12,554,253 km (0.118 R)
• M15: 15,946,684 km (0.041 R)
• M16: 17,355,447 km (0.107 R)
• M17: 19,402,545 km (0.086 R)
• M18: 20,098,025 km (0.12 R)
• M19: 21,139,077 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.2

Radius: 10.1

Gravity: 7.23 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.27 AU - 4.35 AU

Year: 4802 Days

Day: 9.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 51,398,635 km

• M1: 126,261 km (0.075 R)
• M2: 509,979 km (0.093 R)
• M3: 1,400,685 km (0.114 R)
• M4: 1,784,553 km (0.113 R)
• M5: 2,238,583 km (0.079 R)
• M6: 2,733,303 km (0.109 R)
• M7: 3,381,061 km (0.067 R)
• M8: 6,161,488 km (0.104 R)
• M9: 6,604,596 km (0.1 R)
• M10: 8,211,876 km (0.114 R)
• M11: 8,554,605 km (0.118 R)
• M12: 9,187,553 km (0.054 R)
• M13: 9,808,983 km (0.107 R)
• M14: 10,635,960 km (0.118 R)
• M15: 11,746,425 km (0.082 R)
• M16: 12,182,054 km (0.116 R)
• M17: 12,881,274 km (0.116 R)
• M18: 13,554,315 km (0.076 R)
• M19: 15,831,344 km (0.112 R)
• M20: 16,184,694 km (0.042 R)
• M21: 16,603,568 km (0.059 R)
• M22: 17,714,033 km (0.029 R)
• M23: 18,223,265 km (0.095 R)
• M24: 20,151,282 km (0.098 R)
• M25: 21,058,144 km (0.042 R)
• M26: 24,722,395 km (0.083 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.7

Radius: 13

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.89 AU - 4.67 AU

Year: 5717 Days

Day: 8.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 51,398,635 km

• M1: 161,715 km (0.092 R)
• M2: 653,443 km (0.104 R)
• M3: 1,290,880 km (0.117 R)
• M4: 1,807,292 km (0.111 R)
• M5: 2,275,683 km (0.115 R)
• M6: 3,552,201 km (0.037 R)
• M7: 4,831,263 km (0.094 R)
• M8: 5,319,850 km (0.057 R)
• M9: 7,806,017 km (0.069 R)
• M10: 10,411,264 km (0.107 R)
• M11: 10,839,563 km (0.044 R)
• M12: 11,379,162 km (0.105 R)
• M13: 12,565,324 km (0.119 R)
• M14: 14,644,136 km (0.071 R)
• M15: 15,921,402 km (0.069 R)
• M16: 17,670,949 km (0.108 R)
• M17: 18,906,478 km (0.114 R)
• M18: 20,272,157 km (0.063 R)
• M19: 21,549,124 km (0.108 R)
• M20: 24,680,208 km (0.107 R)
• M21: 25,701,662 km (0.112 R)
• M22: 28,749,120 km (0.112 R)
• M23: 34,280,801 km (0.075 R)
• M24: 36,526,265 km (0.082 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454

Radius: 14.5

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 5.22 AU - 6.34 AU

Year: 8972 Days

Day: 14.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 51,398,635 km

• M1: 180,265 km (0.079 R)
• M2: 682,465 km (0.09 R)
• M3: 1,401,433 km (0.088 R)
• M4: 2,015,981 km (0.053 R)
• M5: 2,511,299 km (0.1 R)
• M6: 2,966,077 km (0.12 R)
• M7: 3,706,586 km (0.1 R)
• M8: 4,732,977 km (0.113 R)
• M9: 6,903,493 km (0.086 R)
• M10: 7,927,490 km (0.097 R)
• M11: 8,963,755 km (0.095 R)
• M12: 9,718,775 km (0.111 R)
• M13: 12,294,252 km (0.087 R)
• M14: 13,114,946 km (0.101 R)
• M15: 14,805,103 km (0.056 R)
• M16: 16,245,730 km (0.046 R)
• M17: 17,301,742 km (0.062 R)
• M18: 17,984,656 km (0.032 R)
• M19: 23,116,013 km (0.077 R)
• M20: 27,829,841 km (0.119 R)
• M21: 28,767,970 km (0.12 R)
• M22: 31,205,966 km (0.09 R)
• M23: 32,629,988 km (0.115 R)
• M24: 34,203,160 km (0.12 R)
• M25: 35,279,815 km (0.096 R)
• M26: 36,267,909 km (0.089 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 748

Radius: 3.3

Gravity: 68.69 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 4.88 AU - 8.06 AU

Year: 10626 Days

Day: 20.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 51,398,635 km

• M1: 40,990 km (0.108 R)
• M2: 146,307 km (0.119 R)
• M3: 371,452 km (0.064 R)
• M4: 558,598 km (0.118 R)
• M5: 824,434 km (0.03 R)
• M6: 1,319,752 km (0.065 R)
• M7: 2,397,455 km (0.089 R)
• M8: 3,327,954 km (0.096 R)
• M9: 3,711,673 km (0.081 R)
• M10: 4,039,442 km (0.096 R)
• M11: 4,566,774 km (0.036 R)
• M12: 4,975,027 km (0.1 R)
• M13: 5,936,492 km (0.03 R)
• M14: 6,270,096 km (0.036 R)
• M15: 9,958,281 km (0.072 R)
• M16: 11,245,571 km (0.033 R)
• M17: 11,527,114 km (0.108 R)
• M18: 12,700,261 km (0.116 R)
• M19: 15,487,568 km (0.062 R)
• M20: 16,766,181 km (0.104 R)
• M21: 17,581,340 km (0.062 R)
• M22: 18,656,500 km (0.074 R)
• M23: 19,210,162 km (0.09 R)
• M24: 20,600,225 km (0.079 R)
• M25: 22,496,977 km (0.116 R)
• M26: 28,565,713 km (0.093 R)
• M27: 29,406,603 km (0.088 R)
• M28: 29,940,518 km (0.033 R)
• M29: 32,028,455 km (0.049 R)
• M30: 33,743,745 km (0.094 R)
• M31: 33,976,968 km (0.055 R)
• M32: 38,870,314 km (0.103 R)
• M33: 41,084,961 km (0.068 R)
• M34: 48,823,659 km (0.102 R)
• M35: 50,632,147 km (0.101 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 241 - 16,211 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit