🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.2

Radius: 13.5

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.53 AU - 0.87 AU

Year: 378 Days

Day: 5.1 Hours

Environment

Temp: -137 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,548,731 km

• M1: 168,148 km (0.084 R)
• M2: 641,027 km (0.108 R)
• M3: 1,328,878 km (0.06 R)
• M4: 1,854,565 km (0.076 R)
• M5: 2,341,057 km (0.039 R)
• M6: 2,764,120 km (0.053 R)
• M7: 3,271,705 km (0.101 R)
• M8: 3,953,124 km (0.091 R)
• M9: 4,408,948 km (0.052 R)
• M10: 5,242,508 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.2

Radius: 13.9

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.98 AU - 1.58 AU

Year: 935 Days

Day: 11.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,548,731 km

• M1: 172,935 km (0.064 R)
• M2: 663,467 km (0.057 R)
• M3: 1,201,570 km (0.03 R)
• M4: 1,671,906 km (0.086 R)
• M5: 2,646,237 km (0.032 R)
• M6: 3,133,776 km (0.095 R)
• M7: 3,666,793 km (0.084 R)
• M8: 4,309,615 km (0.091 R)
• M9: 4,862,679 km (0.098 R)
• M10: 5,883,834 km (0.113 R)
• M11: 6,456,495 km (0.115 R)
• M12: 7,230,813 km (0.093 R)
• M13: 7,788,963 km (0.093 R)
• M14: 8,245,835 km (0.114 R)
• M15: 9,325,632 km (0.08 R)
• M16: 9,783,252 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.5

Radius: 9

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.24 AU - 3.6 AU

Year: 3222 Days

Day: 11.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 39,548,731 km

• M1: 111,899 km (0.101 R)
• M2: 392,096 km (0.102 R)
• M3: 807,829 km (0.108 R)
• M4: 1,295,966 km (0.058 R)
• M5: 1,603,091 km (0.11 R)
• M6: 2,072,230 km (0.11 R)
• M7: 3,558,634 km (0.11 R)
• M8: 4,149,546 km (0.119 R)
• M9: 4,446,946 km (0.095 R)
• M10: 5,132,553 km (0.069 R)
• M11: 5,526,145 km (0.104 R)
• M12: 7,094,829 km (0.107 R)
• M13: 7,678,111 km (0.051 R)
• M14: 8,460,358 km (0.098 R)
• M15: 8,801,441 km (0.111 R)
• M16: 9,768,741 km (0.115 R)
• M17: 10,529,895 km (0.118 R)
• M18: 11,536,090 km (0.048 R)
• M19: 11,913,526 km (0.059 R)
• M20: 12,429,788 km (0.085 R)
• M21: 13,414,740 km (0.081 R)
• M22: 14,306,493 km (0.074 R)
• M23: 14,889,775 km (0.113 R)
• M24: 15,845,556 km (0.118 R)
• M25: 16,522,786 km (0.072 R)
• M26: 17,934,840 km (0.1 R)
• M27: 19,016,582 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.6

Radius: 11.7

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.15 AU - 3.29 AU

Year: 3731 Days

Day: 11.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,548,731 km

• M1: 162,014 km (0.11 R)
• M2: 533,616 km (0.044 R)
• M3: 1,142,479 km (0.11 R)
• M4: 1,569,132 km (0.092 R)
• M5: 3,121,509 km (0.116 R)
• M6: 3,579,578 km (0.057 R)
• M7: 5,282,899 km (0.112 R)
• M8: 5,685,467 km (0.106 R)
• M9: 6,137,552 km (0.108 R)
• M10: 6,829,442 km (0.059 R)
• M11: 8,549,219 km (0.106 R)
• M12: 9,647,417 km (0.095 R)
• M13: 10,922,739 km (0.077 R)
• M14: 13,457,376 km (0.104 R)
• M15: 15,694,911 km (0.109 R)
• M16: 16,304,971 km (0.077 R)
• M17: 18,596,362 km (0.067 R)
• M18: 21,295,556 km (0.095 R)
• M19: 22,043,545 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.1

Radius: 11.4

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 5.55 AU - 5.63 AU

Year: 8534 Days

Day: 8.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,548,731 km

• M1: 147,354 km (0.118 R)
• M2: 1,983,219 km (0.06 R)
• M3: 2,801,071 km (0.038 R)
• M4: 3,288,012 km (0.112 R)
• M5: 4,977,271 km (0.097 R)
• M6: 5,501,462 km (0.116 R)
• M7: 6,697,347 km (0.093 R)
• M8: 7,894,878 km (0.091 R)
• M9: 8,310,012 km (0.108 R)
• M10: 8,696,274 km (0.07 R)
• M11: 11,480,440 km (0.106 R)
• M12: 12,846,268 km (0.094 R)
• M13: 20,315,989 km (0.099 R)
• M14: 24,427,238 km (0.066 R)
• M15: 26,216,578 km (0.08 R)
• M16: 26,862,990 km (0.032 R)
• M17: 27,331,232 km (0.071 R)
• M18: 27,995,895 km (0.112 R)
• M19: 32,635,075 km (0.102 R)
• M20: 34,692,494 km (0.08 R)
• M21: 41,009,713 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 83

Radius: 5.3

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 8.76 AU - 11.96 AU

Year: 21531 Days

Day: 23.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 39,548,731 km

• M1: 141,220 km (0.105 R)
• M2: 358,736 km (0.084 R)
• M3: 552,615 km (0.03 R)
• M4: 1,253,630 km (0.108 R)
• M5: 1,421,329 km (0.059 R)
• M6: 2,462,531 km (0.119 R)
• M7: 3,406,344 km (0.093 R)
• M8: 3,592,294 km (0.113 R)
• M9: 4,942,265 km (0.097 R)
• M10: 6,815,679 km (0.048 R)
• M11: 7,690,079 km (0.072 R)
• M12: 8,092,646 km (0.064 R)
• M13: 8,765,837 km (0.079 R)
• M14: 10,367,581 km (0.109 R)
• M15: 10,809,045 km (0.118 R)
• M16: 14,987,762 km (0.057 R)
• M17: 18,021,008 km (0.05 R)
• M18: 19,979,394 km (0.097 R)
• M19: 20,662,458 km (0.116 R)
• M20: 21,361,080 km (0.081 R)
• M21: 24,484,833 km (0.068 R)
• M22: 27,064,200 km (0.106 R)
• M23: 31,416,151 km (0.094 R)
• M24: 31,721,929 km (0.096 R)
• M25: 36,773,700 km (0.027 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 314 - 15,573 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit