🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.2

Radius: 10.6

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.94 AU - 1.46 AU

Year: 836 Days

Day: 10 Hours

Environment

Temp: -172 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,202,671 km

• M1: 133,142 km (0.05 R)
• M2: 478,863 km (0.12 R)
• M3: 813,214 km (0.116 R)
• M4: 1,150,707 km (0.085 R)
• M5: 1,568,982 km (0.104 R)
• M6: 1,921,285 km (0.053 R)
• M7: 2,506,961 km (0.108 R)
• M8: 3,273,501 km (0.108 R)
• M9: 4,378,730 km (0.093 R)
• M10: 4,741,205 km (0.119 R)
• M11: 6,171,062 km (0.098 R)
• M12: 8,558,793 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.5

Radius: 8.6

Gravity: 12.36 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.29 AU - 1.31 AU

Year: 942 Days

Day: 9.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 42,202,671 km

• M1: 107,262 km (0.094 R)
• M2: 384,766 km (0.065 R)
• M3: 686,953 km (0.076 R)
• M4: 1,167,312 km (0.075 R)
• M5: 1,443,619 km (0.059 R)
• M6: 1,792,332 km (0.061 R)
• M7: 2,175,303 km (0.119 R)
• M8: 2,698,895 km (0.079 R)
• M9: 3,218,598 km (0.099 R)
• M10: 3,709,130 km (0.071 R)
• M11: 4,369,455 km (0.112 R)
• M12: 4,764,991 km (0.092 R)
• M13: 7,583,714 km (0.118 R)
• M14: 8,049,861 km (0.07 R)
• M15: 8,590,059 km (0.077 R)
• M16: 8,953,881 km (0.119 R)
• M17: 9,240,810 km (0.103 R)
• M18: 10,293,680 km (0.097 R)
• M19: 10,897,756 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.6

Radius: 14.8

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.09 AU - 1.71 AU

Year: 1053 Days

Day: 11.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 160.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,202,671 km

• M1: 184,005 km (0.104 R)
• M2: 838,346 km (0.069 R)
• M3: 1,478,476 km (0.109 R)
• M4: 2,020,170 km (0.075 R)
• M5: 3,327,356 km (0.09 R)
• M6: 3,951,628 km (0.07 R)
• M7: 5,233,382 km (0.118 R)
• M8: 6,224,917 km (0.104 R)
• M9: 6,798,924 km (0.085 R)
• M10: 8,402,912 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.6

Radius: 12.4

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.92 AU - 2.16 AU

Year: 1853 Days

Day: 5.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,202,671 km

• M1: 154,235 km (0.106 R)
• M2: 631,303 km (0.108 R)
• M3: 1,039,256 km (0.09 R)
• M4: 1,427,912 km (0.088 R)
• M5: 2,033,633 km (0.102 R)
• M6: 2,671,668 km (0.065 R)
• M7: 4,462,504 km (0.06 R)
• M8: 6,521,869 km (0.09 R)
• M9: 6,974,253 km (0.1 R)
• M10: 8,725,146 km (0.094 R)
• M11: 9,686,911 km (0.07 R)
• M12: 10,718,089 km (0.077 R)
• M13: 13,195,430 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.8

Radius: 11.1

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 3.86 AU - 5.28 AU

Year: 6212 Days

Day: 8.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,202,671 km

• M1: 138,976 km (0.064 R)
• M2: 555,307 km (0.065 R)
• M3: 2,186,373 km (0.094 R)
• M4: 3,245,077 km (0.094 R)
• M5: 3,650,786 km (0.033 R)
• M6: 4,938,375 km (0.106 R)
• M7: 5,716,135 km (0.088 R)
• M8: 6,343,548 km (0.087 R)
• M9: 7,262,677 km (0.117 R)
• M10: 8,113,889 km (0.094 R)
• M11: 8,504,190 km (0.113 R)
• M12: 9,449,649 km (0.117 R)
• M13: 11,115,720 km (0.1 R)
• M14: 11,745,228 km (0.077 R)
• M15: 13,342,335 km (0.108 R)
• M16: 14,164,974 km (0.041 R)
• M17: 14,560,361 km (0.068 R)
• M18: 15,079,615 km (0.12 R)
• M19: 16,277,595 km (0.114 R)
• M20: 17,928,407 km (0.115 R)
• M21: 19,341,060 km (0.078 R)
• M22: 21,634,545 km (0.088 R)
• M23: 25,655,586 km (0.09 R)
• M24: 28,329,050 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.9

Radius: 12.6

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.27 AU - 6.47 AU

Year: 7912 Days

Day: 7.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 42,202,671 km

• M1: 158,275 km (0.102 R)
• M2: 556,803 km (0.11 R)
• M3: 1,068,578 km (0.107 R)
• M4: 4,086,116 km (0.082 R)
• M5: 6,805,506 km (0.086 R)
• M6: 7,933,025 km (0.107 R)
• M7: 9,640,984 km (0.086 R)
• M8: 14,807,796 km (0.106 R)
• M9: 16,158,515 km (0.115 R)
• M10: 16,694,075 km (0.083 R)
• M11: 18,085,036 km (0.111 R)
• M12: 20,469,177 km (0.073 R)
• M13: 22,389,715 km (0.111 R)
• M14: 22,971,950 km (0.035 R)
• M15: 23,478,937 km (0.098 R)
• M16: 25,402,018 km (0.095 R)
• M17: 26,402,079 km (0.12 R)
• M18: 27,145,581 km (0.074 R)
• M19: 28,287,162 km (0.07 R)
• M20: 30,666,068 km (0.032 R)
• M21: 31,177,991 km (0.1 R)
• M22: 32,324,210 km (0.077 R)
• M23: 33,932,238 km (0.051 R)
• M24: 35,818,517 km (0.039 R)
• M25: 36,730,017 km (0.114 R)
• M26: 38,126,065 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.1

Radius: 9.7

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 5.8 AU - 6.18 AU

Year: 9321 Days

Day: 8.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 42,202,671 km

• M1: 120,576 km (0.032 R)
• M2: 544,686 km (0.094 R)
• M3: 1,064,389 km (0.099 R)
• M4: 1,499,569 km (0.06 R)
• M5: 2,484,821 km (0.099 R)
• M6: 2,793,740 km (0.111 R)
• M7: 3,216,205 km (0.095 R)
• M8: 4,461,906 km (0.078 R)
• M9: 5,768,793 km (0.087 R)
• M10: 6,350,280 km (0.042 R)
• M11: 7,198,650 km (0.101 R)
• M12: 8,037,594 km (0.051 R)
• M13: 9,347,324 km (0.093 R)
• M14: 11,518,138 km (0.048 R)
• M15: 13,528,435 km (0.041 R)
• M16: 14,186,815 km (0.082 R)
• M17: 14,678,842 km (0.115 R)
• M18: 17,521,351 km (0.086 R)
• M19: 17,945,162 km (0.098 R)
• M20: 20,014,101 km (0.079 R)
• M21: 23,069,637 km (0.119 R)
• M22: 24,620,070 km (0.097 R)
• M23: 29,887,261 km (0.059 R)
• M24: 30,289,978 km (0.096 R)
• M25: 30,594,410 km (0.064 R)
• M26: 39,485,909 km (0.081 R)
• M27: 42,202,607 km (0.119 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 384 - 18,498 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit