🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.9 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.5

Radius: 13.9

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.89 AU - 4.71 AU

Year: 4710 Days

Day: 7.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,496,125 km

• M1: 175,030 km (0.047 R)
• M2: 787,184 km (0.109 R)
• M3: 1,333,067 km (0.109 R)
• M4: 2,692,313 km (0.116 R)
• M5: 3,329,749 km (0.111 R)
• M6: 5,138,537 km (0.118 R)
• M7: 8,152,037 km (0.05 R)
• M8: 10,259,123 km (0.047 R)
• M9: 10,720,632 km (0.11 R)
• M10: 11,461,291 km (0.111 R)
• M11: 12,143,009 km (0.082 R)
• M12: 12,707,741 km (0.093 R)
• M13: 13,991,440 km (0.078 R)
• M14: 15,197,797 km (0.089 R)
• M15: 15,909,734 km (0.106 R)
• M16: 19,551,245 km (0.118 R)
• M17: 22,012,429 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.5

Radius: 8.5

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 3.58 AU - 4.08 AU

Year: 4766 Days

Day: 14.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,496,125 km

• M1: 105,766 km (0.098 R)
• M2: 443,857 km (0.083 R)
• M3: 785,389 km (0.11 R)
• M4: 1,148,463 km (0.096 R)
• M5: 2,603,153 km (0.118 R)
• M6: 3,115,675 km (0.098 R)
• M7: 3,956,714 km (0.056 R)
• M8: 5,595,409 km (0.031 R)
• M9: 5,998,276 km (0.114 R)
• M10: 6,772,146 km (0.105 R)
• M11: 7,075,082 km (0.093 R)
• M12: 8,447,792 km (0.115 R)
• M13: 10,463,174 km (0.068 R)
• M14: 12,326,715 km (0.077 R)
• M15: 14,600,902 km (0.11 R)
• M16: 16,156,420 km (0.089 R)
• M17: 18,574,371 km (0.061 R)
• M18: 19,715,803 km (0.035 R)
• M19: 21,547,180 km (0.093 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 795

Radius: 5.9

Gravity: 22.84 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 6.45 AU - 7.57 AU

Year: 11801 Days

Day: 17.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 61,496,125 km

• M1: 78,838 km (0.119 R)
• M2: 262,993 km (0.047 R)
• M3: 536,458 km (0.092 R)
• M4: 721,810 km (0.096 R)
• M5: 1,216,380 km (0.12 R)
• M6: 1,545,196 km (0.094 R)
• M7: 1,948,961 km (0.119 R)
• M8: 2,261,920 km (0.115 R)
• M9: 2,850,288 km (0.114 R)
• M10: 3,329,450 km (0.118 R)
• M11: 3,695,815 km (0.062 R)
• M12: 5,124,625 km (0.044 R)
• M13: 6,325,148 km (0.113 R)
• M14: 6,522,168 km (0.105 R)
• M15: 8,156,076 km (0.054 R)
• M16: 10,587,041 km (0.082 R)
• M17: 11,205,329 km (0.106 R)
• M18: 12,147,198 km (0.116 R)
• M19: 14,594,020 km (0.11 R)
• M20: 14,869,280 km (0.055 R)
• M21: 18,528,295 km (0.12 R)
• M22: 20,780,640 km (0.075 R)
• M23: 22,653,905 km (0.097 R)
• M24: 23,302,561 km (0.067 R)
• M25: 24,250,563 km (0.039 R)
• M26: 25,322,880 km (0.078 R)
• M27: 31,161,536 km (0.103 R)
• M28: 31,733,000 km (0.116 R)
• M29: 37,966,892 km (0.1 R)
• M30: 39,543,654 km (0.078 R)
• M31: 39,810,686 km (0.067 R)
• M32: 48,543,761 km (0.114 R)
• M33: 51,187,006 km (0.087 R)
• M34: 55,246,194 km (0.115 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 309.1

Radius: 6.9

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 8.64 AU - 12.36 AU

Year: 21633 Days

Day: 24.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 61,496,125 km

• M1: 87,066 km (0.073 R)
• M2: 852,708 km (0.11 R)
• M3: 1,128,267 km (0.1 R)
• M4: 1,727,407 km (0.07 R)
• M5: 2,098,110 km (0.039 R)
• M6: 2,903,545 km (0.107 R)
• M7: 3,376,274 km (0.101 R)
• M8: 3,756,702 km (0.099 R)
• M9: 3,986,634 km (0.089 R)
• M10: 5,681,877 km (0.116 R)
• M11: 7,947,836 km (0.055 R)
• M12: 9,384,574 km (0.067 R)
• M13: 10,026,797 km (0.051 R)
• M14: 11,882,708 km (0.065 R)
• M15: 12,506,831 km (0.043 R)
• M16: 13,086,971 km (0.087 R)
• M17: 14,440,084 km (0.077 R)
• M18: 17,581,041 km (0.045 R)
• M19: 17,821,445 km (0.109 R)
• M20: 18,063,943 km (0.096 R)
• M21: 19,140,748 km (0.069 R)
• M22: 24,172,323 km (0.088 R)
• M23: 25,478,612 km (0.055 R)
• M24: 28,121,707 km (0.109 R)
• M25: 29,116,234 km (0.108 R)
• M26: 31,175,448 km (0.063 R)
• M27: 33,821,835 km (0.111 R)
• M28: 35,709,610 km (0.079 R)
• M29: 37,401,562 km (0.084 R)
• M30: 40,804,166 km (0.112 R)
• M31: 50,929,548 km (0.111 R)
• M32: 52,240,175 km (0.036 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: 540 - 15,796 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit