🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.5

Radius: 9.5

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.46 AU - 0.7 AU

Year: 295 Days

Day: 11 Hours

Environment

Temp: -142 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,477,289 km

• M1: 118,182 km (0.099 R)
• M2: 429,795 km (0.082 R)
• M3: 805,435 km (0.116 R)
• M4: 1,232,088 km (0.056 R)
• M5: 1,714,840 km (0.114 R)
• M6: 2,022,862 km (0.094 R)
• M7: 2,368,134 km (0.115 R)
• M8: 2,681,392 km (0.114 R)
• M9: 3,371,936 km (0.108 R)
• M10: 3,906,599 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.7

Radius: 9.9

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.63 AU - 0.71 AU

Year: 366 Days

Day: 6 Hours

Environment

Temp: -166 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,477,289 km

• M1: 123,119 km (0.106 R)
• M2: 567,425 km (0.119 R)
• M3: 932,444 km (0.043 R)
• M4: 1,389,914 km (0.033 R)
• M5: 1,787,994 km (0.101 R)
• M6: 2,238,583 km (0.047 R)
• M7: 2,937,803 km (0.098 R)
• M8: 3,247,770 km (0.105 R)
• M9: 3,677,116 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.8

Radius: 11.2

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.62 AU - 0.76 AU

Year: 382 Days

Day: 7.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 125.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,477,289 km

• M1: 139,276 km (0.052 R)
• M2: 548,875 km (0.031 R)
• M3: 1,153,100 km (0.108 R)
• M4: 1,702,723 km (0.107 R)
• M5: 2,052,184 km (0.069 R)
• M6: 2,613,774 km (0.104 R)
• M7: 3,322,120 km (0.104 R)
• M8: 3,709,578 km (0.117 R)
• M9: 4,086,715 km (0.086 R)
• M10: 5,057,455 km (0.101 R)
• M11: 5,440,575 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.3

Radius: 14.6

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.7 AU - 0.82 AU

Year: 442 Days

Day: 14.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,477,289 km

• M1: 183,407 km (0.094 R)
• M2: 658,081 km (0.106 R)
• M3: 1,200,972 km (0.071 R)
• M4: 2,808,251 km (0.106 R)
• M5: 3,264,674 km (0.116 R)
• M6: 3,980,949 km (0.081 R)
• M7: 4,437,970 km (0.11 R)
• M8: 4,988,790 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.3

Radius: 12.8

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.67 AU - 0.97 AU

Year: 495 Days

Day: 7.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 176.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,477,289 km

• M1: 159,172 km (0.118 R)
• M2: 612,603 km (0.104 R)
• M3: 1,143,825 km (0.115 R)
• M4: 1,812,528 km (0.118 R)
• M5: 2,434,406 km (0.077 R)
• M6: 2,842,360 km (0.092 R)
• M7: 3,435,066 km (0.068 R)
• M8: 5,508,792 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.7

Radius: 9.5

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.03 AU - 1.47 AU

Year: 932 Days

Day: 11 Hours

Environment

Temp: -179 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,477,289 km

• M1: 118,182 km (0.095 R)
• M2: 454,628 km (0.117 R)
• M3: 764,445 km (0.107 R)
• M4: 2,241,425 km (0.072 R)
• M5: 2,664,936 km (0.067 R)
• M6: 3,141,256 km (0.12 R)
• M7: 3,718,105 km (0.098 R)
• M8: 4,918,778 km (0.102 R)
• M9: 6,043,455 km (0.116 R)
• M10: 6,822,860 km (0.097 R)
• M11: 8,268,873 km (0.112 R)
• M12: 9,036,759 km (0.115 R)
• M13: 9,564,989 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.9

Radius: 14.4

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.04 AU - 2.88 AU

Year: 2573 Days

Day: 5.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,477,289 km

• M1: 186,997 km (0.12 R)
• M2: 822,040 km (0.1 R)
• M3: 1,472,492 km (0.07 R)
• M4: 2,023,162 km (0.111 R)
• M5: 2,698,895 km (0.1 R)
• M6: 3,567,760 km (0.114 R)
• M7: 4,110,351 km (0.071 R)
• M8: 5,755,329 km (0.051 R)
• M9: 6,505,712 km (0.09 R)
• M10: 7,147,487 km (0.04 R)
• M11: 9,418,383 km (0.091 R)
• M12: 9,992,539 km (0.045 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.9

Radius: 9

Gravity: 7.58 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 3.99 AU - 5.93 AU

Year: 7366 Days

Day: 12.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 52,477,289 km

• M1: 112,348 km (0.059 R)
• M2: 480,209 km (0.091 R)
• M3: 803,490 km (0.026 R)
• M4: 1,126,622 km (0.12 R)
• M5: 1,499,719 km (0.098 R)
• M6: 1,836,314 km (0.074 R)
• M7: 2,571,737 km (0.103 R)
• M8: 3,017,389 km (0.109 R)
• M9: 3,675,470 km (0.105 R)
• M10: 4,615,094 km (0.048 R)
• M11: 5,275,270 km (0.083 R)
• M12: 5,931,705 km (0.101 R)
• M13: 6,364,641 km (0.119 R)
• M14: 6,711,858 km (0.117 R)
• M15: 7,145,393 km (0.12 R)
• M16: 7,674,520 km (0.101 R)
• M17: 13,562,842 km (0.11 R)
• M18: 14,080,900 km (0.106 R)
• M19: 15,095,472 km (0.095 R)
• M20: 16,414,926 km (0.103 R)
• M21: 16,740,151 km (0.091 R)
• M22: 21,061,735 km (0.111 R)
• M23: 21,445,752 km (0.093 R)
• M24: 22,307,436 km (0.05 R)
• M25: 22,948,463 km (0.093 R)
• M26: 24,351,242 km (0.026 R)
• M27: 32,640,011 km (0.115 R)
• M28: 33,361,971 km (0.047 R)
• M29: 35,700,784 km (0.053 R)
• M30: 37,468,881 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 287.7

Radius: 3.7

Gravity: 21.02 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 7.45 AU - 10.33 AU

Year: 17676 Days

Day: 18.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 52,477,289 km

• M1: 46,076 km (0.106 R)
• M2: 177,872 km (0.087 R)
• M3: 351,854 km (0.12 R)
• M4: 692,339 km (0.086 R)
• M5: 1,112,859 km (0.115 R)
• M6: 1,259,764 km (0.097 R)
• M7: 1,563,148 km (0.087 R)
• M8: 2,161,839 km (0.105 R)
• M9: 2,701,887 km (0.117 R)
• M10: 3,014,846 km (0.1 R)
• M11: 3,351,591 km (0.062 R)
• M12: 4,361,825 km (0.108 R)
• M13: 4,512,321 km (0.102 R)
• M14: 5,116,247 km (0.103 R)
• M15: 5,351,714 km (0.052 R)
• M16: 5,990,647 km (0.114 R)
• M17: 7,896,075 km (0.1 R)
• M18: 10,328,985 km (0.091 R)
• M19: 10,979,437 km (0.09 R)
• M20: 12,182,503 km (0.089 R)
• M21: 12,724,196 km (0.098 R)
• M22: 13,726,203 km (0.092 R)
• M23: 15,815,337 km (0.111 R)
• M24: 18,418,041 km (0.114 R)
• M25: 19,943,790 km (0.106 R)
• M26: 20,192,272 km (0.059 R)
• M27: 21,988,942 km (0.114 R)
• M28: 22,342,891 km (0.095 R)
• M29: 25,700,914 km (0.092 R)
• M30: 28,849,351 km (0.118 R)
• M31: 29,273,461 km (0.09 R)
• M32: 30,242,706 km (0.091 R)
• M33: 30,570,624 km (0.049 R)
• M34: 34,216,175 km (0.065 R)
• M35: 35,291,484 km (0.104 R)
• M36: 36,759,787 km (0.038 R)
• M37: 44,574,780 km (0.078 R)
• M38: 47,016,068 km (0.111 R)
• M39: 52,163,282 km (0.057 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: 212 - 15,060 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit