🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.9

Radius: 9.6

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.1 AU - 1.34 AU

Year: 947 Days

Day: 6.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,905,562 km

• M1: 119,379 km (0.056 R)
• M2: 577,597 km (0.078 R)
• M3: 908,807 km (0.083 R)
• M4: 1,549,086 km (0.078 R)
• M5: 2,033,035 km (0.064 R)
• M6: 3,634,630 km (0.052 R)
• M7: 4,358,833 km (0.095 R)
• M8: 6,262,167 km (0.111 R)
• M9: 6,859,062 km (0.111 R)
• M10: 7,301,573 km (0.063 R)
• M11: 9,547,037 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.9

Radius: 12.9

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.43 AU - 1.97 AU

Year: 1558 Days

Day: 12.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,905,562 km

• M1: 160,519 km (0.081 R)
• M2: 653,144 km (0.092 R)
• M3: 1,143,227 km (0.117 R)
• M4: 1,556,715 km (0.073 R)
• M5: 2,307,846 km (0.073 R)
• M6: 3,316,585 km (0.091 R)
• M7: 5,422,773 km (0.076 R)
• M8: 6,234,042 km (0.115 R)
• M9: 7,528,363 km (0.112 R)
• M10: 8,175,224 km (0.117 R)
• M11: 8,671,141 km (0.09 R)
• M12: 9,076,701 km (0.035 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.2

Radius: 9.7

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.62 AU - 4.18 AU

Year: 5414 Days

Day: 7.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 76,905,562 km

• M1: 120,576 km (0.091 R)
• M2: 468,092 km (0.094 R)
• M3: 1,482,515 km (0.076 R)
• M4: 1,972,598 km (0.078 R)
• M5: 2,443,083 km (0.057 R)
• M6: 3,094,582 km (0.119 R)
• M7: 3,451,821 km (0.071 R)
• M8: 4,094,195 km (0.082 R)
• M9: 4,573,357 km (0.083 R)
• M10: 4,913,243 km (0.094 R)
• M11: 6,035,676 km (0.106 R)
• M12: 6,445,574 km (0.113 R)
• M13: 7,353,783 km (0.053 R)
• M14: 7,686,039 km (0.119 R)
• M15: 9,345,828 km (0.102 R)
• M16: 9,775,772 km (0.049 R)
• M17: 10,300,711 km (0.047 R)
• M18: 11,363,305 km (0.118 R)
• M19: 12,685,600 km (0.089 R)
• M20: 14,056,964 km (0.082 R)
• M21: 16,577,090 km (0.08 R)
• M22: 19,510,106 km (0.069 R)
• M23: 19,955,608 km (0.071 R)
• M24: 21,534,613 km (0.099 R)
• M25: 22,010,484 km (0.066 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 161.4

Radius: 4.6

Gravity: 7.63 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 5.48 AU - 7.4 AU

Year: 11488 Days

Day: 16.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 76,905,562 km

• M1: 58,044 km (0.117 R)
• M2: 202,855 km (0.067 R)
• M3: 411,843 km (0.076 R)
• M4: 613,950 km (0.118 R)
• M5: 1,099,694 km (0.085 R)
• M6: 1,342,641 km (0.094 R)
• M7: 1,699,133 km (0.079 R)
• M8: 2,340,758 km (0.097 R)
• M9: 2,581,012 km (0.119 R)
• M10: 2,781,024 km (0.088 R)
• M11: 3,151,130 km (0.079 R)
• M12: 3,531,258 km (0.11 R)
• M13: 3,965,092 km (0.059 R)
• M14: 4,109,304 km (0.08 R)
• M15: 4,965,602 km (0.105 R)
• M16: 6,028,944 km (0.109 R)
• M17: 7,271,354 km (0.047 R)
• M18: 9,334,458 km (0.119 R)
• M19: 9,633,205 km (0.075 R)
• M20: 10,613,969 km (0.05 R)
• M21: 11,512,903 km (0.117 R)
• M22: 12,512,815 km (0.09 R)
• M23: 12,928,547 km (0.114 R)
• M24: 13,842,590 km (0.104 R)
• M25: 14,343,444 km (0.074 R)
• M26: 15,381,354 km (0.081 R)
• M27: 19,133,568 km (0.055 R)
• M28: 20,603,965 km (0.085 R)
• M29: 20,747,729 km (0.078 R)
• M30: 22,909,717 km (0.067 R)
• M31: 24,084,808 km (0.105 R)
• M32: 29,006,728 km (0.104 R)
• M33: 30,754,330 km (0.107 R)
• M34: 31,131,018 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 260.5

Radius: 4.1

Gravity: 15.5 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 7.67 AU - 8.25 AU

Year: 15786 Days

Day: 20.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 76,905,562 km

• M1: 51,162 km (0.084 R)
• M2: 254,616 km (0.083 R)
• M3: 399,726 km (0.074 R)
• M4: 661,372 km (0.09 R)
• M5: 1,209,948 km (0.101 R)
• M6: 1,465,760 km (0.104 R)
• M7: 2,102,149 km (0.106 R)
• M8: 2,337,916 km (0.039 R)
• M9: 2,511,299 km (0.05 R)
• M10: 3,842,721 km (0.117 R)
• M11: 4,084,620 km (0.055 R)
• M12: 4,423,011 km (0.073 R)
• M13: 4,569,317 km (0.117 R)
• M14: 5,859,599 km (0.099 R)
• M15: 8,310,461 km (0.108 R)
• M16: 9,563,642 km (0.085 R)
• M17: 11,259,933 km (0.109 R)
• M18: 11,533,248 km (0.063 R)
• M19: 13,388,710 km (0.103 R)
• M20: 14,069,979 km (0.068 R)
• M21: 19,031,991 km (0.102 R)
• M22: 20,615,185 km (0.115 R)
• M23: 21,272,368 km (0.104 R)
• M24: 25,137,977 km (0.111 R)
• M25: 26,172,746 km (0.097 R)
• M26: 26,363,932 km (0.045 R)
• M27: 30,596,056 km (0.062 R)
• M28: 32,430,425 km (0.081 R)
• M29: 35,375,708 km (0.105 R)
• M30: 41,143,304 km (0.093 R)
• M31: 41,661,361 km (0.053 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 952.4

Radius: 7.2

Gravity: 18.37 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 7 AU - 9.88 AU

Year: 17235 Days

Day: 24.9 Hours

Environment

Temp: -243 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 76,905,562 km

• M1: 90,058 km (0.104 R)
• M2: 314,156 km (0.064 R)
• M3: 560,244 km (0.079 R)
• M4: 1,086,380 km (0.058 R)
• M5: 1,963,023 km (0.033 R)
• M6: 3,055,686 km (0.113 R)
• M7: 3,354,882 km (0.042 R)
• M8: 3,855,736 km (0.09 R)
• M9: 5,944,870 km (0.116 R)
• M10: 6,813,136 km (0.078 R)
• M11: 7,373,081 km (0.106 R)
• M12: 9,576,807 km (0.096 R)
• M13: 12,592,999 km (0.116 R)
• M14: 14,315,319 km (0.094 R)
• M15: 15,077,221 km (0.075 R)
• M16: 17,439,671 km (0.058 R)
• M17: 21,774,718 km (0.09 R)
• M18: 28,167,783 km (0.028 R)
• M19: 29,727,341 km (0.04 R)
• M20: 31,217,186 km (0.068 R)
• M21: 37,819,239 km (0.077 R)
• M22: 43,537,468 km (0.107 R)
• M23: 49,119,414 km (0.104 R)
• M24: 62,476,858 km (0.091 R)
• M25: 63,282,742 km (0.068 R)
• M26: 70,850,000 km (0.053 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 370 - 16,860 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit