🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.8

Radius: 13.3

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.26 AU - 1.34 AU

Year: 1023 Days

Day: 5.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,616,985 km

• M1: 165,754 km (0.107 R)
• M2: 672,293 km (0.112 R)
• M3: 1,378,544 km (0.103 R)
• M4: 1,821,055 km (0.111 R)
• M5: 2,431,863 km (0.117 R)
• M6: 3,139,461 km (0.073 R)
• M7: 3,806,967 km (0.074 R)
• M8: 5,211,691 km (0.103 R)
• M9: 7,628,893 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.4

Radius: 8.8

Gravity: 9.06 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.29 AU - 1.85 AU

Year: 1358 Days

Day: 14.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,616,985 km

• M1: 109,506 km (0.03 R)
• M2: 414,835 km (0.086 R)
• M3: 1,020,407 km (0.118 R)
• M4: 1,381,686 km (0.101 R)
• M5: 2,180,539 km (0.109 R)
• M6: 2,668,826 km (0.064 R)
• M7: 3,273,501 km (0.089 R)
• M8: 3,616,678 km (0.079 R)
• M9: 4,449,789 km (0.118 R)
• M10: 5,426,513 km (0.108 R)
• M11: 6,254,089 km (0.119 R)
• M12: 6,539,821 km (0.106 R)
• M13: 8,074,096 km (0.101 R)
• M14: 8,356,238 km (0.071 R)
• M15: 8,940,118 km (0.057 R)
• M16: 9,303,492 km (0.093 R)
• M17: 10,059,559 km (0.091 R)
• M18: 11,096,272 km (0.093 R)
• M19: 12,499,500 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.1

Radius: 13.9

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3.03 AU - 4.43 AU

Year: 4972 Days

Day: 6.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,616,985 km

• M1: 174,132 km (0.067 R)
• M2: 678,426 km (0.098 R)
• M3: 1,885,232 km (0.117 R)
• M4: 2,337,168 km (0.085 R)
• M5: 2,878,413 km (0.102 R)
• M6: 4,175,426 km (0.066 R)
• M7: 4,908,905 km (0.097 R)
• M8: 5,419,332 km (0.083 R)
• M9: 6,073,374 km (0.091 R)
• M10: 6,519,176 km (0.116 R)
• M11: 9,123,525 km (0.083 R)
• M12: 10,128,075 km (0.097 R)
• M13: 11,000,231 km (0.109 R)
• M14: 12,269,419 km (0.094 R)
• M15: 14,062,798 km (0.058 R)
• M16: 18,683,727 km (0.059 R)
• M17: 19,934,515 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390

Radius: 11.8

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.77 AU - 3.99 AU

Year: 5275 Days

Day: 6.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,616,985 km

• M1: 146,905 km (0.094 R)
• M2: 554,559 km (0.104 R)
• M3: 1,495,979 km (0.102 R)
• M4: 1,924,277 km (0.118 R)
• M5: 2,858,815 km (0.063 R)
• M6: 3,588,105 km (0.115 R)
• M7: 4,253,217 km (0.049 R)
• M8: 5,363,233 km (0.045 R)
• M9: 6,353,122 km (0.085 R)
• M10: 7,035,289 km (0.099 R)
• M11: 7,731,368 km (0.106 R)
• M12: 9,416,588 km (0.073 R)
• M13: 9,893,954 km (0.12 R)
• M14: 10,682,784 km (0.116 R)
• M15: 11,334,731 km (0.093 R)
• M16: 12,814,404 km (0.075 R)
• M17: 15,652,575 km (0.088 R)
• M18: 16,437,066 km (0.11 R)
• M19: 21,025,981 km (0.12 R)
• M20: 22,399,140 km (0.118 R)
• M21: 23,540,123 km (0.047 R)
• M22: 24,719,403 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 809.6

Radius: 3.5

Gravity: 66.09 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 6.15 AU - 8.77 AU

Year: 14064 Days

Day: 23.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 63,616,985 km

• M1: 43,533 km (0.111 R)
• M2: 262,395 km (0.104 R)
• M3: 1,025,045 km (0.098 R)
• M4: 1,294,770 km (0.117 R)
• M5: 1,794,576 km (0.084 R)
• M6: 2,816,180 km (0.116 R)
• M7: 3,531,856 km (0.08 R)
• M8: 3,843,768 km (0.099 R)
• M9: 3,991,421 km (0.057 R)
• M10: 4,753,622 km (0.105 R)
• M11: 4,992,979 km (0.09 R)
• M12: 5,683,522 km (0.045 R)
• M13: 5,798,114 km (0.049 R)
• M14: 8,328,712 km (0.058 R)
• M15: 9,669,857 km (0.085 R)
• M16: 10,448,364 km (0.11 R)
• M17: 10,794,534 km (0.119 R)
• M18: 12,967,891 km (0.108 R)
• M19: 13,775,421 km (0.101 R)
• M20: 14,473,444 km (0.115 R)
• M21: 17,102,627 km (0.075 R)
• M22: 20,746,831 km (0.089 R)
• M23: 22,036,664 km (0.101 R)
• M24: 23,871,183 km (0.027 R)
• M25: 26,014,471 km (0.116 R)
• M26: 26,436,786 km (0.107 R)
• M27: 26,971,000 km (0.087 R)
• M28: 27,186,720 km (0.088 R)
• M29: 28,393,676 km (0.09 R)
• M30: 31,746,164 km (0.091 R)
• M31: 31,986,568 km (0.12 R)
• M32: 32,228,318 km (0.083 R)
• M33: 34,839,998 km (0.044 R)
• M34: 36,262,823 km (0.118 R)
• M35: 37,858,434 km (0.046 R)
• M36: 38,264,592 km (0.103 R)
• M37: 39,778,672 km (0.083 R)
• M38: 41,189,231 km (0.108 R)
• M39: 49,547,413 km (0.115 R)
• M40: 52,175,399 km (0.079 R)
• M41: 53,184,437 km (0.073 R)
• M42: 60,245,456 km (0.105 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: 520 - 14,658 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit