🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882

Radius: 10.7

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.75 AU - 0.87 AU

Year: 471 Days

Day: 12.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,830,774 km

• M1: 133,142 km (0.063 R)
• M2: 569,369 km (0.064 R)
• M3: 951,293 km (0.082 R)
• M4: 1,297,313 km (0.088 R)
• M5: 1,660,836 km (0.09 R)
• M6: 1,997,431 km (0.111 R)
• M7: 2,579,516 km (0.113 R)
• M8: 3,001,532 km (0.091 R)
• M9: 3,675,171 km (0.107 R)
• M10: 4,240,651 km (0.109 R)
• M11: 4,863,427 km (0.117 R)
• M12: 5,563,545 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.7

Radius: 11.6

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.71 AU - 1.07 AU

Year: 542 Days

Day: 5.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 74,830,774 km

• M1: 144,212 km (0.114 R)
• M2: 543,339 km (0.096 R)
• M3: 983,307 km (0.058 R)
• M4: 1,358,498 km (0.119 R)
• M5: 2,328,192 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.6

Radius: 11.5

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.64 AU - 1.76 AU

Year: 1431 Days

Day: 12.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,830,774 km

• M1: 143,016 km (0.093 R)
• M2: 670,049 km (0.1 R)
• M3: 1,039,256 km (0.098 R)
• M4: 1,505,553 km (0.07 R)
• M5: 1,875,359 km (0.12 R)
• M6: 2,236,189 km (0.083 R)
• M7: 2,670,172 km (0.11 R)
• M8: 3,341,867 km (0.117 R)
• M9: 3,810,557 km (0.111 R)
• M10: 4,176,922 km (0.077 R)
• M11: 4,702,609 km (0.077 R)
• M12: 5,750,991 km (0.109 R)
• M13: 6,188,116 km (0.046 R)
• M14: 7,155,266 km (0.096 R)
• M15: 8,364,316 km (0.113 R)
• M16: 8,806,378 km (0.082 R)
• M17: 9,451,145 km (0.084 R)
• M18: 10,160,239 km (0.107 R)
• M19: 11,504,226 km (0.086 R)
• M20: 11,867,150 km (0.11 R)
• M21: 12,924,358 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.3

Radius: 9.8

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 5.01 AU - 5.25 AU

Year: 7502 Days

Day: 8.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 74,830,774 km

• M1: 124,615 km (0.077 R)
• M2: 555,756 km (0.119 R)
• M3: 1,150,108 km (0.108 R)
• M4: 1,547,740 km (0.088 R)
• M5: 2,036,625 km (0.1 R)
• M6: 2,377,559 km (0.115 R)
• M7: 2,814,235 km (0.09 R)
• M8: 4,588,167 km (0.062 R)
• M9: 6,014,283 km (0.109 R)
• M10: 6,379,003 km (0.061 R)
• M11: 9,273,871 km (0.057 R)
• M12: 11,229,115 km (0.109 R)
• M13: 12,250,570 km (0.103 R)
• M14: 12,730,031 km (0.113 R)
• M15: 14,773,987 km (0.078 R)
• M16: 19,717,747 km (0.104 R)
• M17: 21,125,763 km (0.098 R)
• M18: 22,362,488 km (0.119 R)
• M19: 23,321,111 km (0.108 R)
• M20: 24,979,703 km (0.069 R)
• M21: 25,320,487 km (0.067 R)
• M22: 27,161,438 km (0.081 R)
• M23: 30,619,393 km (0.04 R)
• M24: 33,630,200 km (0.108 R)
• M25: 35,314,073 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.3

Radius: 11

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 4.65 AU - 5.79 AU

Year: 7701 Days

Day: 7.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 74,830,774 km

• M1: 136,732 km (0.089 R)
• M2: 514,467 km (0.115 R)
• M3: 894,894 km (0.115 R)
• M4: 1,354,310 km (0.113 R)
• M5: 1,799,962 km (0.11 R)
• M6: 2,267,455 km (0.078 R)
• M7: 3,234,605 km (0.078 R)
• M8: 3,632,984 km (0.112 R)
• M9: 4,154,482 km (0.056 R)
• M10: 4,602,229 km (0.078 R)
• M11: 5,484,258 km (0.087 R)
• M12: 6,949,120 km (0.108 R)
• M13: 10,293,530 km (0.103 R)
• M14: 12,218,556 km (0.074 R)
• M15: 12,796,003 km (0.053 R)
• M16: 13,850,519 km (0.102 R)
• M17: 15,904,348 km (0.102 R)
• M18: 16,303,774 km (0.103 R)
• M19: 18,716,040 km (0.103 R)
• M20: 19,354,374 km (0.085 R)
• M21: 19,744,376 km (0.101 R)
• M22: 21,495,269 km (0.068 R)
• M23: 23,641,550 km (0.058 R)
• M24: 25,226,390 km (0.116 R)

Asteroid Belt

Center: 7.95 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 10.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 513.2

Radius: 6.4

Gravity: 12.53 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 10.47 AU - 10.89 AU

Year: 22536 Days

Day: 20.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 74,830,774 km

• M1: 80,334 km (0.11 R)
• M2: 352,602 km (0.09 R)
• M3: 791,822 km (0.098 R)
• M4: 1,013,077 km (0.084 R)
• M5: 1,319,004 km (0.076 R)
• M6: 1,755,980 km (0.103 R)
• M7: 2,097,811 km (0.045 R)
• M8: 2,991,808 km (0.066 R)
• M9: 3,509,416 km (0.071 R)
• M10: 6,534,435 km (0.103 R)
• M11: 7,214,208 km (0.067 R)
• M12: 7,692,771 km (0.113 R)
• M13: 8,346,514 km (0.108 R)
• M14: 12,927,799 km (0.107 R)
• M15: 17,552,318 km (0.091 R)
• M16: 20,893,736 km (0.117 R)
• M17: 26,161,227 km (0.089 R)
• M18: 29,639,677 km (0.106 R)
• M19: 32,122,552 km (0.1 R)
• M20: 32,506,570 km (0.117 R)
• M21: 34,206,002 km (0.116 R)
• M22: 34,875,153 km (0.056 R)
• M23: 41,901,167 km (0.11 R)
• M24: 55,670,304 km (0.096 R)
• M25: 56,968,814 km (0.118 R)
• M26: 60,400,439 km (0.063 R)
• M27: 62,365,108 km (0.086 R)
• M28: 65,802,119 km (0.078 R)
• M29: 74,383,203 km (0.094 R)
• M30: 74,830,800 km (0.114 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: 271 - 19,092 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit