🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.5

Radius: 11.6

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.73 AU - 0.93 AU

Year: 513 Days

Day: 6.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 52,872,590 km

• M1: 144,362 km (0.088 R)
• M2: 901,028 km (0.065 R)
• M3: 1,567,636 km (0.087 R)
• M4: 1,975,739 km (0.039 R)
• M5: 2,615,420 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.9

Radius: 14.9

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.95 AU - 1.47 AU

Year: 903 Days

Day: 11.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 52,872,590 km

• M1: 185,352 km (0.086 R)
• M2: 680,072 km (0.07 R)
• M3: 1,257,520 km (0.09 R)
• M4: 2,261,920 km (0.087 R)
• M5: 2,946,031 km (0.089 R)
• M6: 3,556,689 km (0.112 R)
• M7: 5,301,749 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.2

Radius: 14

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.28 AU - 3.82 AU

Year: 4537 Days

Day: 8.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,872,590 km

• M1: 174,132 km (0.065 R)
• M2: 887,115 km (0.096 R)
• M3: 1,348,625 km (0.111 R)
• M4: 2,037,074 km (0.073 R)
• M5: 2,685,431 km (0.087 R)
• M6: 3,255,549 km (0.087 R)
• M7: 4,401,020 km (0.06 R)
• M8: 5,055,361 km (0.066 R)
• M9: 5,569,230 km (0.062 R)
• M10: 7,083,160 km (0.089 R)
• M11: 9,569,925 km (0.109 R)
• M12: 10,990,507 km (0.112 R)
• M13: 11,941,949 km (0.079 R)
• M14: 12,591,503 km (0.05 R)
• M15: 13,264,694 km (0.102 R)
• M16: 13,726,652 km (0.119 R)
• M17: 16,357,480 km (0.112 R)
• M18: 17,432,341 km (0.068 R)
• M19: 19,074,028 km (0.034 R)
• M20: 20,386,749 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44

Radius: 10.8

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 4.29 AU - 5.51 AU

Year: 7357 Days

Day: 14.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,872,590 km

• M1: 135,236 km (0.039 R)
• M2: 501,003 km (0.075 R)
• M3: 1,104,780 km (0.059 R)
• M4: 1,538,165 km (0.113 R)
• M5: 4,354,495 km (0.082 R)
• M6: 4,840,987 km (0.085 R)
• M7: 5,273,774 km (0.102 R)
• M8: 6,217,587 km (0.113 R)
• M9: 7,270,307 km (0.099 R)
• M10: 8,561,187 km (0.04 R)
• M11: 9,002,501 km (0.102 R)
• M12: 10,667,675 km (0.118 R)
• M13: 11,031,197 km (0.112 R)
• M14: 12,054,596 km (0.073 R)
• M15: 14,071,774 km (0.08 R)
• M16: 15,504,772 km (0.043 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 761.1

Radius: 6.2

Gravity: 19.8 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 6.32 AU - 8.52 AU

Year: 13709 Days

Day: 20.3 Hours

Environment

Temp: -241 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 52,872,590 km

• M1: 81,980 km (0.094 R)
• M2: 337,194 km (0.049 R)
• M3: 676,781 km (0.094 R)
• M4: 1,165,068 km (0.059 R)
• M5: 1,616,255 km (0.08 R)
• M6: 1,847,534 km (0.077 R)
• M7: 2,236,339 km (0.07 R)
• M8: 2,678,101 km (0.102 R)
• M9: 2,908,183 km (0.061 R)
• M10: 3,381,959 km (0.071 R)
• M11: 3,651,235 km (0.105 R)
• M12: 4,708,294 km (0.074 R)
• M13: 5,078,997 km (0.073 R)
• M14: 5,432,796 km (0.108 R)
• M15: 5,652,855 km (0.042 R)
• M16: 6,389,325 km (0.099 R)
• M17: 8,098,630 km (0.104 R)
• M18: 10,146,625 km (0.079 R)
• M19: 14,240,670 km (0.042 R)
• M20: 16,803,431 km (0.055 R)
• M21: 17,748,591 km (0.113 R)
• M22: 17,990,341 km (0.061 R)
• M23: 26,937,341 km (0.102 R)
• M24: 27,578,517 km (0.096 R)
• M25: 28,120,510 km (0.105 R)
• M26: 30,590,371 km (0.085 R)
• M27: 36,214,353 km (0.099 R)
• M28: 37,126,302 km (0.069 R)
• M29: 39,816,520 km (0.113 R)
• M30: 41,917,473 km (0.075 R)
• M31: 42,346,370 km (0.047 R)
• M32: 43,944,075 km (0.103 R)
• M33: 44,832,238 km (0.119 R)
• M34: 45,280,732 km (0.089 R)
• M35: 45,581,424 km (0.098 R)
• M36: 47,104,929 km (0.115 R)
• M37: 47,723,666 km (0.072 R)
• M38: 48,661,943 km (0.059 R)
• M39: 51,550,678 km (0.078 R)
• M40: 53,203,884 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 347

Radius: 4.8

Gravity: 15.06 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 6.74 AU - 9.9 AU

Year: 16277 Days

Day: 22 Hours

Environment

Temp: -234 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 52,872,590 km

• M1: 80,184 km (0.03 R)
• M2: 383,419 km (0.09 R)
• M3: 591,959 km (0.085 R)
• M4: 998,715 km (0.1 R)
• M5: 1,347,727 km (0.11 R)
• M6: 3,780,039 km (0.088 R)
• M7: 5,166,811 km (0.114 R)
• M8: 11,871,189 km (0.096 R)
• M9: 13,904,224 km (0.114 R)
• M10: 18,097,004 km (0.028 R)
• M11: 18,408,467 km (0.109 R)
• M12: 18,961,979 km (0.091 R)
• M13: 20,774,208 km (0.07 R)
• M14: 26,796,868 km (0.079 R)
• M15: 29,072,701 km (0.041 R)
• M16: 29,285,728 km (0.081 R)
• M17: 34,597,799 km (0.074 R)
• M18: 36,050,244 km (0.095 R)
• M19: 38,432,142 km (0.079 R)
• M20: 40,650,379 km (0.095 R)
• M21: 44,628,934 km (0.114 R)
• M22: 46,785,238 km (0.11 R)
• M23: 50,839,490 km (0.113 R)
• M24: 51,148,858 km (0.114 R)
• M25: 51,927,665 km (0.106 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 426 - 14,102 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit