🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.7

Radius: 12.6

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.8 AU - 1.04 AU

Year: 588 Days

Day: 7.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 65,343,581 km

• M1: 158,723 km (0.12 R)
• M2: 858,393 km (0.083 R)
• M3: 1,358,049 km (0.058 R)
• M4: 2,563,958 km (0.102 R)
• M5: 3,243,282 km (0.117 R)
• M6: 3,733,813 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.3

Radius: 9.8

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.03 AU - 1.49 AU

Year: 943 Days

Day: 11.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,343,581 km

• M1: 121,922 km (0.089 R)
• M2: 870,061 km (0.054 R)
• M3: 1,577,510 km (0.118 R)
• M4: 1,962,275 km (0.078 R)
• M5: 4,670,146 km (0.062 R)
• M6: 5,103,083 km (0.083 R)
• M7: 6,185,423 km (0.087 R)
• M8: 6,584,999 km (0.092 R)
• M9: 7,173,517 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.6

Radius: 9.6

Gravity: 8.62 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.54 AU - 2.86 AU

Year: 2959 Days

Day: 9.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,343,581 km

• M1: 119,379 km (0.097 R)
• M2: 450,439 km (0.103 R)
• M3: 963,111 km (0.118 R)
• M4: 1,311,225 km (0.117 R)
• M5: 1,720,675 km (0.095 R)
• M6: 2,326,995 km (0.097 R)
• M7: 2,736,145 km (0.104 R)
• M8: 3,069,898 km (0.069 R)
• M9: 3,449,577 km (0.03 R)
• M10: 6,427,173 km (0.082 R)
• M11: 7,362,758 km (0.096 R)
• M12: 8,490,577 km (0.11 R)
• M13: 9,691,698 km (0.109 R)
• M14: 11,852,490 km (0.106 R)
• M15: 12,204,493 km (0.089 R)
• M16: 12,975,671 km (0.078 R)
• M17: 13,302,392 km (0.112 R)
• M18: 13,730,691 km (0.104 R)
• M19: 14,316,067 km (0.074 R)
• M20: 15,588,996 km (0.091 R)
• M21: 16,880,474 km (0.085 R)
• M22: 17,894,897 km (0.089 R)
• M23: 18,417,143 km (0.08 R)
• M24: 20,169,234 km (0.097 R)
• M25: 22,294,870 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.6

Radius: 11.8

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.4 AU - 4.58 AU

Year: 5315 Days

Day: 9.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,343,581 km

• M1: 151,094 km (0.105 R)
• M2: 601,683 km (0.118 R)
• M3: 2,346,891 km (0.049 R)
• M4: 5,717,481 km (0.119 R)
• M5: 8,734,720 km (0.096 R)
• M6: 9,969,651 km (0.114 R)
• M7: 12,834,450 km (0.075 R)
• M8: 13,990,393 km (0.078 R)
• M9: 15,329,144 km (0.084 R)
• M10: 17,182,662 km (0.082 R)
• M11: 19,248,010 km (0.102 R)
• M12: 19,926,137 km (0.116 R)
• M13: 22,723,917 km (0.1 R)
• M14: 23,866,545 km (0.107 R)
• M15: 25,449,141 km (0.052 R)
• M16: 28,559,580 km (0.099 R)
• M17: 29,352,897 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.9

Radius: 14.5

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.64 AU - 5.86 AU

Year: 6904 Days

Day: 12.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,343,581 km

• M1: 180,415 km (0.078 R)
• M2: 637,736 km (0.093 R)
• M3: 1,234,033 km (0.109 R)
• M4: 1,865,037 km (0.049 R)
• M5: 2,429,320 km (0.038 R)
• M6: 2,893,372 km (0.112 R)
• M7: 3,438,507 km (0.107 R)
• M8: 4,173,631 km (0.067 R)
• M9: 5,238,319 km (0.056 R)
• M10: 6,279,670 km (0.039 R)
• M11: 9,880,640 km (0.106 R)
• M12: 11,370,635 km (0.044 R)
• M13: 11,865,654 km (0.071 R)
• M14: 13,547,733 km (0.073 R)
• M15: 14,561,109 km (0.118 R)
• M16: 15,443,736 km (0.093 R)
• M17: 16,113,486 km (0.056 R)
• M18: 16,929,841 km (0.079 R)
• M19: 24,568,010 km (0.034 R)
• M20: 26,503,656 km (0.11 R)
• M21: 27,287,998 km (0.105 R)
• M22: 31,931,067 km (0.116 R)
• M23: 32,919,161 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887

Radius: 13.8

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 3.72 AU - 6.12 AU

Year: 7277 Days

Day: 7.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,343,581 km

• M1: 171,589 km (0.088 R)
• M2: 1,115,701 km (0.113 R)
• M3: 1,564,046 km (0.111 R)
• M4: 2,055,026 km (0.063 R)
• M5: 3,684,895 km (0.051 R)
• M6: 5,277,514 km (0.119 R)
• M7: 5,989,151 km (0.097 R)
• M8: 7,061,767 km (0.076 R)
• M9: 8,174,925 km (0.068 R)
• M10: 9,356,000 km (0.052 R)
• M11: 11,052,889 km (0.058 R)
• M12: 13,643,625 km (0.116 R)
• M13: 16,347,457 km (0.108 R)
• M14: 17,578,947 km (0.117 R)
• M15: 22,296,665 km (0.073 R)
• M16: 23,810,296 km (0.076 R)
• M17: 24,768,620 km (0.098 R)
• M18: 26,948,411 km (0.05 R)
• M19: 29,749,481 km (0.106 R)
• M20: 33,382,316 km (0.045 R)
• M21: 33,924,459 km (0.093 R)
• M22: 36,265,516 km (0.038 R)
• M23: 41,892,041 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 373.2

Radius: 4.9

Gravity: 15.54 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 9.48 AU - 10.82 AU

Year: 21564 Days

Day: 19 Hours

Environment

Temp: -230 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 65,343,581 km

• M1: 60,886 km (0.095 R)
• M2: 404,812 km (0.11 R)
• M3: 656,884 km (0.117 R)
• M4: 1,009,337 km (0.105 R)
• M5: 1,525,001 km (0.115 R)
• M6: 2,343,600 km (0.103 R)
• M7: 2,932,567 km (0.075 R)
• M8: 3,963,296 km (0.095 R)
• M9: 4,207,739 km (0.087 R)
• M10: 5,698,183 km (0.116 R)
• M11: 8,319,586 km (0.096 R)
• M12: 9,187,404 km (0.087 R)
• M13: 9,890,514 km (0.101 R)
• M14: 11,041,220 km (0.067 R)
• M15: 14,589,233 km (0.058 R)
• M16: 16,462,498 km (0.077 R)
• M17: 16,776,354 km (0.089 R)
• M18: 25,248,829 km (0.085 R)
• M19: 26,301,101 km (0.103 R)
• M20: 27,163,682 km (0.108 R)
• M21: 28,045,113 km (0.032 R)
• M22: 33,111,095 km (0.1 R)
• M23: 33,611,201 km (0.069 R)
• M24: 40,436,304 km (0.038 R)
• M25: 44,549,199 km (0.107 R)
• M26: 45,311,849 km (0.058 R)
• M27: 45,773,657 km (0.111 R)
• M28: 48,449,514 km (0.066 R)
• M29: 51,061,643 km (0.113 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 - 19,152 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit