🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.4

Radius: 13.7

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.87 AU - 1.21 AU

Year: 707 Days

Day: 14.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,806,501 km

• M1: 170,392 km (0.108 R)
• M2: 620,233 km (0.104 R)
• M3: 1,083,238 km (0.065 R)
• M4: 1,672,803 km (0.079 R)
• M5: 2,110,527 km (0.077 R)
• M6: 2,637,111 km (0.074 R)
• M7: 4,140,719 km (0.028 R)
• M8: 4,786,085 km (0.113 R)
• M9: 5,222,910 km (0.082 R)
• M10: 6,037,172 km (0.112 R)
• M11: 6,527,553 km (0.119 R)
• M12: 6,956,451 km (0.107 R)
• M13: 7,449,974 km (0.085 R)
• M14: 8,333,200 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.6

Radius: 14.8

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.25 AU - 1.95 AU

Year: 1350 Days

Day: 5.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,806,501 km

• M1: 184,454 km (0.081 R)
• M2: 673,490 km (0.074 R)
• M3: 1,233,883 km (0.07 R)
• M4: 3,183,742 km (0.082 R)
• M5: 3,765,678 km (0.106 R)
• M6: 4,418,373 km (0.063 R)
• M7: 5,722,567 km (0.108 R)
• M8: 6,297,921 km (0.11 R)
• M9: 7,245,922 km (0.09 R)
• M10: 9,195,781 km (0.025 R)
• M11: 9,808,085 km (0.097 R)
• M12: 10,385,383 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.3

Radius: 12

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.71 AU - 3.11 AU

Year: 3310 Days

Day: 10.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 82,806,501 km

• M1: 149,897 km (0.077 R)
• M2: 534,214 km (0.083 R)
• M3: 1,277,117 km (0.088 R)
• M4: 2,013,288 km (0.087 R)
• M5: 2,570,690 km (0.079 R)
• M6: 3,396,769 km (0.064 R)
• M7: 4,622,125 km (0.033 R)
• M8: 5,081,989 km (0.119 R)
• M9: 6,094,168 km (0.118 R)
• M10: 6,708,717 km (0.111 R)
• M11: 8,803,386 km (0.057 R)
• M12: 9,551,076 km (0.084 R)
• M13: 11,088,344 km (0.09 R)
• M14: 12,095,437 km (0.096 R)
• M15: 14,392,512 km (0.114 R)
• M16: 16,022,381 km (0.089 R)
• M17: 17,366,218 km (0.098 R)
• M18: 19,959,797 km (0.096 R)
• M19: 20,727,383 km (0.109 R)
• M20: 21,781,300 km (0.095 R)
• M21: 22,253,581 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.1

Radius: 12

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3.92 AU - 5.2 AU

Year: 6493 Days

Day: 9.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 82,806,501 km

• M1: 150,645 km (0.067 R)
• M2: 556,354 km (0.088 R)
• M3: 991,535 km (0.058 R)
• M4: 1,451,399 km (0.114 R)
• M5: 1,836,015 km (0.05 R)
• M6: 2,224,969 km (0.068 R)
• M7: 2,651,473 km (0.053 R)
• M8: 3,514,952 km (0.1 R)
• M9: 4,000,546 km (0.104 R)
• M10: 4,909,952 km (0.101 R)
• M11: 5,310,425 km (0.103 R)
• M12: 6,509,452 km (0.047 R)
• M13: 9,567,681 km (0.111 R)
• M14: 11,583,064 km (0.091 R)
• M15: 14,380,993 km (0.107 R)
• M16: 16,563,775 km (0.11 R)
• M17: 20,678,914 km (0.037 R)
• M18: 24,426,789 km (0.055 R)
• M19: 25,514,964 km (0.08 R)
• M20: 26,722,668 km (0.042 R)
• M21: 27,787,804 km (0.078 R)
• M22: 29,813,808 km (0.112 R)
• M23: 32,035,337 km (0.106 R)
• M24: 34,468,995 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 89.3

Radius: 3.6

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 5.5 AU - 6.96 AU

Year: 10370 Days

Day: 20.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 82,806,501 km

• M1: 45,328 km (0.081 R)
• M2: 160,519 km (0.112 R)
• M3: 471,682 km (0.104 R)
• M4: 921,822 km (0.084 R)
• M5: 1,452,147 km (0.098 R)
• M6: 3,133,028 km (0.082 R)
• M7: 3,264,824 km (0.059 R)
• M8: 4,720,860 km (0.112 R)
• M9: 5,046,385 km (0.065 R)
• M10: 5,576,111 km (0.115 R)
• M11: 6,230,153 km (0.086 R)
• M12: 6,378,853 km (0.096 R)
• M13: 6,807,750 km (0.083 R)
• M14: 7,520,285 km (0.065 R)
• M15: 7,963,843 km (0.12 R)
• M16: 8,174,476 km (0.087 R)
• M17: 9,091,811 km (0.036 R)
• M18: 9,360,488 km (0.088 R)
• M19: 9,833,517 km (0.066 R)
• M20: 21,489,734 km (0.068 R)
• M21: 23,366,589 km (0.073 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 818.5

Radius: 4.9

Gravity: 34.09 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 9.07 AU - 10.73 AU

Year: 20772 Days

Day: 18.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 82,806,501 km

• M1: 94,396 km (0.12 R)
• M2: 399,875 km (0.101 R)
• M3: 568,023 km (0.113 R)
• M4: 860,487 km (0.103 R)
• M5: 1,054,665 km (0.115 R)
• M6: 1,465,461 km (0.096 R)
• M7: 1,916,498 km (0.058 R)
• M8: 2,721,784 km (0.074 R)
• M9: 6,778,429 km (0.074 R)
• M10: 8,706,746 km (0.104 R)
• M11: 9,915,496 km (0.082 R)
• M12: 10,404,083 km (0.117 R)
• M13: 11,297,482 km (0.108 R)
• M14: 12,103,066 km (0.089 R)
• M15: 12,660,917 km (0.06 R)
• M16: 25,283,536 km (0.047 R)
• M17: 29,302,633 km (0.083 R)
• M18: 33,864,021 km (0.106 R)
• M19: 41,012,855 km (0.072 R)
• M20: 52,508,404 km (0.093 R)
• M21: 53,615,129 km (0.079 R)
• M22: 57,416,411 km (0.117 R)
• M23: 58,197,611 km (0.118 R)
• M24: 67,697,225 km (0.05 R)
• M25: 71,004,984 km (0.113 R)
• M26: 74,418,807 km (0.045 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 493 - 19,293 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit