🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.9

Radius: 11.8

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.12 AU - 1.34 AU

Year: 867 Days

Day: 14 Hours

Environment

Temp: -173 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,330,293 km

• M1: 146,756 km (0.074 R)
• M2: 660,175 km (0.09 R)
• M3: 1,094,608 km (0.098 R)
• M4: 1,577,360 km (0.066 R)
• M5: 2,472,404 km (0.054 R)
• M6: 3,200,198 km (0.112 R)
• M7: 3,708,232 km (0.058 R)
• M8: 4,253,666 km (0.107 R)
• M9: 4,629,755 km (0.114 R)
• M10: 5,153,946 km (0.072 R)
• M11: 7,376,970 km (0.034 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.1

Radius: 8.1

Gravity: 9.33 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.31 AU - 1.39 AU

Year: 997 Days

Day: 6.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,330,293 km

• M1: 100,979 km (0.1 R)
• M2: 463,604 km (0.094 R)
• M3: 753,674 km (0.08 R)
• M4: 1,648,269 km (0.104 R)
• M5: 2,202,380 km (0.118 R)
• M6: 2,689,171 km (0.08 R)
• M7: 3,218,299 km (0.046 R)
• M8: 3,500,740 km (0.114 R)
• M9: 3,815,045 km (0.102 R)
• M10: 4,083,274 km (0.097 R)
• M11: 5,559,356 km (0.098 R)
• M12: 5,884,432 km (0.101 R)
• M13: 6,684,781 km (0.076 R)
• M14: 6,982,630 km (0.096 R)
• M15: 7,703,991 km (0.111 R)
• M16: 9,493,182 km (0.077 R)
• M17: 9,870,019 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.4

Radius: 13.4

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.04 AU - 4.1 AU

Year: 4289 Days

Day: 10.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,330,293 km

• M1: 174,282 km (0.052 R)
• M2: 631,303 km (0.047 R)
• M3: 1,114,803 km (0.104 R)
• M4: 1,600,548 km (0.069 R)
• M5: 2,215,096 km (0.087 R)
• M6: 3,070,347 km (0.091 R)
• M7: 4,375,738 km (0.105 R)
• M8: 4,957,374 km (0.044 R)
• M9: 5,459,574 km (0.05 R)
• M10: 7,363,207 km (0.05 R)
• M11: 8,120,771 km (0.094 R)
• M12: 9,075,654 km (0.113 R)
• M13: 9,986,107 km (0.048 R)
• M14: 10,749,355 km (0.085 R)
• M15: 11,681,499 km (0.102 R)
• M16: 13,226,995 km (0.088 R)
• M17: 13,901,532 km (0.114 R)
• M18: 15,688,628 km (0.109 R)
• M19: 16,280,736 km (0.086 R)
• M20: 16,832,004 km (0.072 R)
• M21: 17,855,553 km (0.039 R)
• M22: 22,707,610 km (0.102 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 147.6

Radius: 4.5

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 7.9 AU - 10.68 AU

Year: 18003 Days

Day: 24.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,330,293 km

• M1: 56,099 km (0.074 R)
• M2: 312,061 km (0.087 R)
• M3: 621,280 km (0.119 R)
• M4: 811,120 km (0.062 R)
• M5: 1,487,152 km (0.084 R)
• M6: 3,503,881 km (0.104 R)
• M7: 4,326,221 km (0.112 R)
• M8: 4,723,702 km (0.066 R)
• M9: 5,591,071 km (0.085 R)
• M10: 7,007,164 km (0.092 R)
• M11: 7,160,801 km (0.097 R)
• M12: 8,214,718 km (0.096 R)
• M13: 9,138,336 km (0.034 R)
• M14: 14,874,815 km (0.099 R)
• M15: 15,128,833 km (0.097 R)
• M16: 16,174,073 km (0.111 R)
• M17: 27,735,296 km (0.05 R)
• M18: 29,495,315 km (0.065 R)
• M19: 31,536,578 km (0.07 R)
• M20: 31,745,865 km (0.032 R)
• M21: 31,955,900 km (0.053 R)
• M22: 39,179,383 km (0.076 R)
• M23: 41,141,359 km (0.067 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 350.2

Radius: 4.8

Gravity: 15.2 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 9.04 AU - 12.36 AU

Year: 22254 Days

Day: 17.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 65,330,293 km

• M1: 59,690 km (0.075 R)
• M2: 220,358 km (0.115 R)
• M3: 380,427 km (0.101 R)
• M4: 764,146 km (0.119 R)
• M5: 1,019,509 km (0.103 R)
• M6: 1,302,100 km (0.1 R)
• M7: 1,477,279 km (0.033 R)
• M8: 1,668,166 km (0.118 R)
• M9: 4,758,559 km (0.11 R)
• M10: 5,734,236 km (0.089 R)
• M11: 7,099,167 km (0.101 R)
• M12: 11,278,333 km (0.048 R)
• M13: 12,403,608 km (0.035 R)
• M14: 12,926,902 km (0.061 R)
• M15: 14,585,344 km (0.092 R)
• M16: 17,250,280 km (0.073 R)
• M17: 17,737,520 km (0.038 R)
• M18: 19,167,975 km (0.108 R)
• M19: 24,625,455 km (0.119 R)
• M20: 27,266,606 km (0.113 R)
• M21: 28,038,680 km (0.117 R)
• M22: 28,261,880 km (0.07 R)
• M23: 29,857,940 km (0.067 R)
• M24: 32,362,956 km (0.077 R)
• M25: 40,712,612 km (0.07 R)
• M26: 42,450,490 km (0.053 R)
• M27: 44,086,492 km (0.064 R)
• M28: 47,167,760 km (0.084 R)
• M29: 48,439,342 km (0.059 R)
• M30: 52,054,075 km (0.111 R)
• M31: 65,134,614 km (0.108 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 358 - 11,575 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit