🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.76 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.3

Radius: 9.9

Gravity: 8.81 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.44 AU - 3.58 AU

Year: 4460 Days

Day: 11.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 40,141,045 km

• M1: 123,717 km (0.111 R)
• M2: 448,046 km (0.111 R)
• M3: 819,946 km (0.098 R)
• M4: 1,936,245 km (0.071 R)
• M5: 2,305,752 km (0.118 R)
• M6: 2,617,963 km (0.12 R)
• M7: 3,472,915 km (0.108 R)
• M8: 4,429,294 km (0.096 R)
• M9: 5,022,749 km (0.099 R)
• M10: 5,494,879 km (0.071 R)
• M11: 5,845,686 km (0.091 R)
• M12: 6,495,839 km (0.104 R)
• M13: 7,977,007 km (0.117 R)
• M14: 9,421,823 km (0.036 R)
• M15: 9,756,025 km (0.071 R)
• M16: 11,172,119 km (0.082 R)
• M17: 12,720,756 km (0.115 R)
• M18: 14,407,771 km (0.109 R)
• M19: 15,077,221 km (0.119 R)
• M20: 15,884,302 km (0.11 R)
• M21: 20,706,290 km (0.113 R)
• M22: 21,343,577 km (0.092 R)
• M23: 25,284,733 km (0.025 R)
• M24: 27,257,330 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922

Radius: 8.2

Gravity: 13.71 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 4.9 AU - 5.12 AU

Year: 7606 Days

Day: 7.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 40,141,045 km

• M1: 102,026 km (0.081 R)
• M2: 428,149 km (0.092 R)
• M3: 893,249 km (0.113 R)
• M4: 1,219,971 km (0.11 R)
• M5: 1,598,304 km (0.093 R)
• M6: 1,877,304 km (0.099 R)
• M7: 2,385,188 km (0.058 R)
• M8: 2,854,776 km (0.095 R)
• M9: 3,338,276 km (0.088 R)
• M10: 3,901,064 km (0.072 R)
• M11: 4,525,485 km (0.101 R)
• M12: 4,906,960 km (0.084 R)
• M13: 5,972,396 km (0.096 R)
• M14: 7,869,746 km (0.05 R)
• M15: 9,463,113 km (0.118 R)
• M16: 10,740,230 km (0.074 R)
• M17: 12,578,787 km (0.091 R)
• M18: 13,935,490 km (0.109 R)
• M19: 15,715,705 km (0.101 R)
• M20: 16,048,860 km (0.084 R)
• M21: 17,357,991 km (0.074 R)
• M22: 19,491,256 km (0.104 R)
• M23: 23,918,605 km (0.068 R)
• M24: 24,537,492 km (0.073 R)
• M25: 26,271,480 km (0.103 R)
• M26: 26,740,919 km (0.088 R)
• M27: 30,083,533 km (0.066 R)
• M28: 35,718,736 km (0.073 R)
• M29: 41,509,968 km (0.045 R)
• M30: 44,097,264 km (0.09 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 876

Radius: 3.4

Gravity: 75.78 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 5.62 AU - 6.02 AU

Year: 9523 Days

Day: 17.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 40,141,045 km

• M1: 42,336 km (0.033 R)
• M2: 302,786 km (0.049 R)
• M3: 409,749 km (0.116 R)
• M4: 791,373 km (0.113 R)
• M5: 1,706,613 km (0.077 R)
• M6: 2,218,237 km (0.092 R)
• M7: 2,331,782 km (0.112 R)
• M8: 2,913,718 km (0.07 R)
• M9: 3,586,908 km (0.091 R)
• M10: 5,134,199 km (0.107 R)
• M11: 5,333,463 km (0.116 R)
• M12: 5,572,371 km (0.047 R)
• M13: 7,877,824 km (0.117 R)
• M14: 8,277,699 km (0.095 R)
• M15: 8,784,537 km (0.042 R)
• M16: 10,429,216 km (0.105 R)
• M17: 10,965,374 km (0.054 R)
• M18: 11,074,880 km (0.075 R)
• M19: 13,356,846 km (0.086 R)
• M20: 16,500,496 km (0.049 R)
• M21: 19,536,584 km (0.037 R)
• M22: 22,481,269 km (0.107 R)
• M23: 22,835,517 km (0.055 R)
• M24: 23,373,919 km (0.08 R)
• M25: 26,684,371 km (0.074 R)
• M26: 26,882,438 km (0.097 R)
• M27: 32,608,895 km (0.069 R)
• M28: 35,874,916 km (0.056 R)
• M29: 36,480,189 km (0.095 R)
• M30: 39,352,169 km (0.067 R)
• M31: 41,040,381 km (0.052 R)
• M32: 45,824,371 km (0.089 R)
• M33: 47,401,282 km (0.087 R)
• M34: 48,570,539 km (0.083 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 103.3

Radius: 7.7

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 8.75 AU - 10.17 AU

Year: 19735 Days

Day: 19.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,141,045 km

• M1: 95,743 km (0.092 R)
• M2: 366,066 km (0.08 R)
• M3: 670,348 km (0.071 R)
• M4: 1,495,979 km (0.04 R)
• M5: 1,857,258 km (0.107 R)
• M6: 2,795,535 km (0.115 R)
• M7: 3,062,568 km (0.102 R)
• M8: 3,867,853 km (0.109 R)
• M9: 5,041,598 km (0.11 R)
• M10: 6,125,285 km (0.108 R)
• M11: 7,128,339 km (0.095 R)
• M12: 8,875,941 km (0.113 R)
• M13: 11,819,279 km (0.086 R)
• M14: 13,890,312 km (0.095 R)
• M15: 15,419,352 km (0.116 R)
• M16: 17,125,366 km (0.08 R)
• M17: 20,292,951 km (0.101 R)
• M18: 21,456,374 km (0.08 R)
• M19: 25,301,189 km (0.11 R)
• M20: 25,655,736 km (0.098 R)
• M21: 37,555,797 km (0.063 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 244 - 19,892 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit