🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.1

Radius: 9.9

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.18 AU - 1.4 AU

Year: 994 Days

Day: 12.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,380,088 km

• M1: 123,119 km (0.069 R)
• M2: 511,176 km (0.11 R)
• M3: 1,046,288 km (0.119 R)
• M4: 1,419,684 km (0.116 R)
• M5: 1,938,489 km (0.11 R)
• M6: 2,471,955 km (0.09 R)
• M7: 2,890,979 km (0.086 R)
• M8: 3,939,211 km (0.065 R)
• M9: 4,455,174 km (0.073 R)
• M10: 5,794,674 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576

Radius: 9

Gravity: 7.11 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.78 AU - 2.2 AU

Year: 1904 Days

Day: 14.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 135.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,380,088 km

• M1: 112,049 km (0.112 R)
• M2: 497,413 km (0.078 R)
• M3: 782,397 km (0.119 R)
• M4: 1,318,406 km (0.104 R)
• M5: 1,625,530 km (0.085 R)
• M6: 2,118,306 km (0.103 R)
• M7: 3,501,787 km (0.088 R)
• M8: 8,366,261 km (0.103 R)
• M9: 12,065,966 km (0.05 R)
• M10: 12,574,299 km (0.051 R)
• M11: 13,801,900 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.5

Radius: 10.6

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.67 AU - 3.35 AU

Year: 3542 Days

Day: 12.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,380,088 km

• M1: 132,095 km (0.084 R)
• M2: 605,423 km (0.105 R)
• M3: 1,506,600 km (0.088 R)
• M4: 1,841,550 km (0.072 R)
• M5: 2,310,240 km (0.094 R)
• M6: 3,041,474 km (0.114 R)
• M7: 6,573,630 km (0.045 R)
• M8: 7,903,704 km (0.049 R)
• M9: 9,666,566 km (0.081 R)
• M10: 10,559,964 km (0.1 R)
• M11: 12,199,258 km (0.086 R)
• M12: 14,941,686 km (0.092 R)
• M13: 16,241,691 km (0.066 R)
• M14: 18,946,421 km (0.085 R)
• M15: 20,343,366 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.8

Radius: 12

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 3.59 AU - 4.03 AU

Year: 5044 Days

Day: 10.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,380,088 km

• M1: 149,299 km (0.098 R)
• M2: 526,734 km (0.118 R)
• M3: 1,261,858 km (0.083 R)
• M4: 1,671,008 km (0.098 R)
• M5: 2,059,963 km (0.101 R)
• M6: 3,774,504 km (0.05 R)
• M7: 4,475,669 km (0.105 R)
• M8: 5,284,994 km (0.077 R)
• M9: 5,786,296 km (0.078 R)
• M10: 6,319,164 km (0.093 R)
• M11: 7,483,633 km (0.036 R)
• M12: 7,932,577 km (0.079 R)
• M13: 8,786,182 km (0.093 R)
• M14: 9,664,920 km (0.037 R)
• M15: 11,245,870 km (0.09 R)
• M16: 12,696,820 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.6

Radius: 9.7

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 3.75 AU - 4.55 AU

Year: 5734 Days

Day: 14.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,380,088 km

• M1: 120,725 km (0.053 R)
• M2: 468,241 km (0.089 R)
• M3: 2,257,133 km (0.118 R)
• M4: 4,044,528 km (0.098 R)
• M5: 5,102,783 km (0.107 R)
• M6: 6,854,574 km (0.119 R)
• M7: 7,506,821 km (0.049 R)
• M8: 8,389,299 km (0.067 R)
• M9: 10,492,346 km (0.108 R)
• M10: 11,311,993 km (0.079 R)
• M11: 15,421,147 km (0.094 R)
• M12: 17,461,363 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 995.7

Radius: 5.8

Gravity: 29.6 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 6.71 AU - 7.77 AU

Year: 13213 Days

Day: 20.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,380,088 km

• M1: 72,256 km (0.095 R)
• M2: 292,613 km (0.108 R)
• M3: 626,516 km (0.091 R)
• M4: 1,117,197 km (0.104 R)
• M5: 1,943,426 km (0.118 R)
• M6: 2,639,056 km (0.092 R)
• M7: 3,799,038 km (0.119 R)
• M8: 4,876,143 km (0.092 R)
• M9: 5,156,639 km (0.093 R)
• M10: 6,638,555 km (0.101 R)
• M11: 7,476,752 km (0.089 R)
• M12: 9,794,921 km (0.119 R)
• M13: 12,880,526 km (0.099 R)
• M14: 14,108,276 km (0.082 R)
• M15: 14,391,315 km (0.088 R)
• M16: 15,561,619 km (0.116 R)
• M17: 17,032,166 km (0.078 R)
• M18: 23,151,467 km (0.064 R)
• M19: 29,081,527 km (0.069 R)
• M20: 36,877,072 km (0.105 R)
• M21: 40,605,500 km (0.096 R)
• M22: 47,523,055 km (0.103 R)
• M23: 47,999,674 km (0.039 R)
• M24: 51,092,610 km (0.106 R)
• M25: 64,794,129 km (0.11 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 502 - 13,353 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit