🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.31 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.5

Radius: 10.4

Gravity: 8.49 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.99 AU - 3.25 AU

Year: 2828 Days

Day: 12.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,992,047 km

• M1: 129,402 km (0.065 R)
• M2: 610,659 km (0.054 R)
• M3: 972,985 km (0.09 R)
• M4: 1,313,918 km (0.096 R)
• M5: 2,124,739 km (0.099 R)
• M6: 3,097,873 km (0.117 R)
• M7: 3,443,444 km (0.098 R)
• M8: 4,411,641 km (0.11 R)
• M9: 5,345,132 km (0.116 R)
• M10: 6,580,212 km (0.116 R)
• M11: 7,093,333 km (0.104 R)
• M12: 9,835,761 km (0.109 R)
• M13: 11,549,853 km (0.092 R)
• M14: 13,311,967 km (0.096 R)
• M15: 14,733,745 km (0.083 R)
• M16: 15,143,194 km (0.064 R)
• M17: 17,418,877 km (0.114 R)
• M18: 20,795,450 km (0.087 R)
• M19: 21,441,264 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.8

Radius: 12.3

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.66 AU - 4.06 AU

Year: 4107 Days

Day: 9 Hours

Environment

Temp: -216 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,992,047 km

• M1: 153,039 km (0.104 R)
• M2: 584,329 km (0.042 R)
• M3: 1,322,744 km (0.09 R)
• M4: 2,168,571 km (0.098 R)
• M5: 2,925,686 km (0.056 R)
• M6: 3,623,859 km (0.107 R)
• M7: 4,045,725 km (0.072 R)
• M8: 5,568,332 km (0.056 R)
• M9: 6,074,870 km (0.059 R)
• M10: 6,955,703 km (0.069 R)
• M11: 7,544,071 km (0.115 R)
• M12: 8,130,046 km (0.1 R)
• M13: 11,981,593 km (0.077 R)
• M14: 12,447,141 km (0.063 R)
• M15: 14,959,338 km (0.12 R)
• M16: 15,445,083 km (0.096 R)
• M17: 16,734,467 km (0.103 R)
• M18: 18,522,311 km (0.08 R)
• M19: 19,976,851 km (0.076 R)
• M20: 22,756,529 km (0.106 R)
• M21: 24,201,944 km (0.035 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.3

Radius: 11.4

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 3.12 AU - 4.48 AU

Year: 4940 Days

Day: 6.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,992,047 km

• M1: 144,960 km (0.097 R)
• M2: 551,717 km (0.056 R)
• M3: 950,994 km (0.086 R)
• M4: 1,452,147 km (0.073 R)
• M5: 2,630,828 km (0.093 R)
• M6: 3,113,880 km (0.109 R)
• M7: 3,920,511 km (0.117 R)
• M8: 5,020,505 km (0.07 R)
• M9: 5,844,041 km (0.108 R)
• M10: 7,069,995 km (0.078 R)
• M11: 7,454,312 km (0.088 R)
• M12: 7,946,340 km (0.116 R)
• M13: 8,492,970 km (0.078 R)
• M14: 10,778,826 km (0.099 R)
• M15: 11,692,420 km (0.117 R)
• M16: 12,189,235 km (0.078 R)
• M17: 12,613,793 km (0.09 R)
• M18: 14,039,611 km (0.084 R)
• M19: 15,226,221 km (0.112 R)
• M20: 15,669,330 km (0.093 R)
• M21: 16,529,966 km (0.094 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 237.6

Radius: 3

Gravity: 26.4 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5.46 AU - 7.5 AU

Year: 11000 Days

Day: 16.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 68,992,047 km

• M1: 37,250 km (0.116 R)
• M2: 198,367 km (0.091 R)
• M3: 539,151 km (0.039 R)
• M4: 766,689 km (0.104 R)
• M5: 1,024,745 km (0.099 R)
• M6: 2,004,462 km (0.095 R)
• M7: 2,927,630 km (0.077 R)
• M8: 3,196,458 km (0.108 R)
• M9: 3,977,359 km (0.074 R)
• M10: 4,491,826 km (0.075 R)
• M11: 4,877,339 km (0.057 R)
• M12: 6,503,319 km (0.07 R)
• M13: 6,817,325 km (0.119 R)
• M14: 7,177,855 km (0.104 R)
• M15: 7,513,104 km (0.104 R)
• M16: 8,254,960 km (0.1 R)
• M17: 8,622,821 km (0.089 R)
• M18: 9,973,840 km (0.074 R)
• M19: 11,610,889 km (0.107 R)
• M20: 12,706,694 km (0.084 R)
• M21: 15,589,145 km (0.117 R)
• M22: 18,118,845 km (0.096 R)
• M23: 19,231,255 km (0.091 R)
• M24: 23,401,595 km (0.062 R)
• M25: 24,136,719 km (0.11 R)
• M26: 24,468,377 km (0.073 R)
• M27: 25,056,147 km (0.099 R)
• M28: 25,739,211 km (0.081 R)
• M29: 27,231,749 km (0.064 R)
• M30: 28,136,068 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 993.6

Radius: 5.6

Gravity: 31.68 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 7.4 AU - 9.78 AU

Year: 16789 Days

Day: 23.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,992,047 km

• M1: 73,901 km (0.087 R)
• M2: 253,868 km (0.041 R)
• M3: 578,495 km (0.085 R)
• M4: 1,280,558 km (0.058 R)
• M5: 2,508,906 km (0.114 R)
• M6: 2,698,297 km (0.104 R)
• M7: 13,019,503 km (0.088 R)
• M8: 14,551,684 km (0.065 R)
• M9: 14,933,308 km (0.101 R)
• M10: 17,795,116 km (0.077 R)
• M11: 18,586,039 km (0.044 R)
• M12: 26,560,952 km (0.113 R)
• M13: 27,361,301 km (0.098 R)
• M14: 28,413,872 km (0.1 R)
• M15: 32,764,327 km (0.041 R)
• M16: 38,112,002 km (0.116 R)
• M17: 45,133,079 km (0.061 R)
• M18: 51,369,515 km (0.072 R)
• M19: 52,789,498 km (0.101 R)
• M20: 53,509,214 km (0.056 R)
• M21: 54,235,362 km (0.074 R)
• M22: 62,662,808 km (0.09 R)
• M23: 67,607,616 km (0.107 R)
• M24: 72,806,142 km (0.082 R)
• M25: 73,251,046 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 411.9

Radius: 6.7

Gravity: 9.18 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 8.84 AU - 11.9 AU

Year: 22269 Days

Day: 16 Hours

Environment

Temp: -232 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 68,992,047 km

• M1: 83,326 km (0.11 R)
• M2: 398,529 km (0.089 R)
• M3: 1,322,595 km (0.119 R)
• M4: 1,695,393 km (0.092 R)
• M5: 2,912,970 km (0.104 R)
• M6: 5,116,098 km (0.092 R)
• M7: 5,448,205 km (0.056 R)
• M8: 5,913,305 km (0.108 R)
• M9: 6,362,697 km (0.042 R)
• M10: 7,237,695 km (0.111 R)
• M11: 7,609,146 km (0.045 R)
• M12: 8,491,774 km (0.057 R)
• M13: 8,905,262 km (0.101 R)
• M14: 12,644,311 km (0.036 R)
• M15: 13,949,852 km (0.09 R)
• M16: 16,190,379 km (0.042 R)
• M17: 16,506,180 km (0.079 R)
• M18: 17,150,199 km (0.106 R)
• M19: 17,395,988 km (0.04 R)
• M20: 19,358,862 km (0.1 R)
• M21: 20,439,557 km (0.11 R)
• M22: 21,655,040 km (0.071 R)
• M23: 22,135,099 km (0.082 R)
• M24: 27,444,627 km (0.076 R)
• M25: 27,893,720 km (0.099 R)
• M26: 41,218,253 km (0.112 R)
• M27: 44,219,635 km (0.095 R)
• M28: 44,836,875 km (0.11 R)
• M29: 49,154,719 km (0.065 R)
• M30: 52,871,627 km (0.119 R)
• M31: 57,683,892 km (0.107 R)
• M32: 65,537,182 km (0.106 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 260 - 13,783 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit