🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.5

Radius: 13.9

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.6 AU - 0.88 AU

Year: 439 Days

Day: 14.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,269,470 km

• M1: 174,880 km (0.116 R)
• M2: 736,321 km (0.085 R)
• M3: 1,238,521 km (0.094 R)
• M4: 1,695,692 km (0.08 R)
• M5: 2,160,941 km (0.108 R)
• M6: 2,671,519 km (0.037 R)
• M7: 3,216,205 km (0.106 R)
• M8: 3,940,857 km (0.102 R)
• M9: 5,478,723 km (0.116 R)
• M10: 6,107,782 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.2

Radius: 12.3

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.48 AU - 1.84 AU

Year: 1476 Days

Day: 13 Hours

Environment

Temp: -189 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,269,470 km

• M1: 153,039 km (0.1 R)
• M2: 631,303 km (0.08 R)
• M3: 1,029,832 km (0.055 R)
• M4: 2,123,093 km (0.118 R)
• M5: 2,559,021 km (0.071 R)
• M6: 4,031,064 km (0.111 R)
• M7: 5,350,517 km (0.109 R)
• M8: 7,193,563 km (0.107 R)
• M9: 8,077,238 km (0.089 R)
• M10: 8,473,373 km (0.089 R)
• M11: 9,274,170 km (0.117 R)
• M12: 10,720,333 km (0.1 R)
• M13: 12,572,803 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135

Radius: 11.5

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.12 AU - 2.64 AU

Year: 2534 Days

Day: 5.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,269,470 km

• M1: 143,016 km (0.103 R)
• M2: 1,134,550 km (0.089 R)
• M3: 2,407,927 km (0.086 R)
• M4: 3,974,516 km (0.108 R)
• M5: 4,504,093 km (0.106 R)
• M6: 4,889,158 km (0.076 R)
• M7: 8,209,333 km (0.062 R)
• M8: 9,332,065 km (0.069 R)
• M9: 9,839,202 km (0.089 R)
• M10: 11,138,160 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23

Radius: 14.7

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.9 AU - 6.28 AU

Year: 7927 Days

Day: 7.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,269,470 km

• M1: 183,108 km (0.046 R)
• M2: 643,720 km (0.075 R)
• M3: 2,094,520 km (0.102 R)
• M4: 3,574,940 km (0.08 R)
• M5: 6,721,133 km (0.115 R)
• M6: 7,924,498 km (0.107 R)
• M7: 10,520,620 km (0.116 R)
• M8: 12,214,816 km (0.078 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 94.5

Radius: 4

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 5.97 AU - 7.03 AU

Year: 11439 Days

Day: 23.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,269,470 km

• M1: 52,060 km (0.102 R)
• M2: 289,621 km (0.112 R)
• M3: 498,161 km (0.03 R)
• M4: 1,112,559 km (0.055 R)
• M5: 2,768,458 km (0.105 R)
• M6: 3,153,673 km (0.102 R)
• M7: 3,349,197 km (0.095 R)
• M8: 4,121,122 km (0.092 R)
• M9: 12,013,457 km (0.082 R)
• M10: 23,306,301 km (0.06 R)
• M11: 26,286,440 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 487.4

Radius: 4.5

Gravity: 24.07 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 8.76 AU - 9.72 AU

Year: 19387 Days

Day: 20.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 70,269,470 km

• M1: 59,091 km (0.104 R)
• M2: 360,082 km (0.098 R)
• M3: 595,848 km (0.06 R)
• M4: 754,272 km (0.082 R)
• M5: 986,448 km (0.088 R)
• M6: 1,210,995 km (0.113 R)
• M7: 1,364,482 km (0.09 R)
• M8: 2,114,117 km (0.076 R)
• M9: 3,262,131 km (0.11 R)
• M10: 3,790,810 km (0.118 R)
• M11: 6,276,827 km (0.116 R)
• M12: 8,217,112 km (0.11 R)
• M13: 9,730,593 km (0.115 R)
• M14: 10,523,911 km (0.088 R)
• M15: 11,298,230 km (0.026 R)
• M16: 12,628,304 km (0.079 R)
• M17: 18,312,575 km (0.095 R)
• M18: 18,908,722 km (0.062 R)
• M19: 26,237,223 km (0.07 R)
• M20: 26,776,672 km (0.097 R)
• M21: 27,433,706 km (0.04 R)
• M22: 30,052,118 km (0.097 R)
• M23: 31,482,124 km (0.059 R)
• M24: 31,846,544 km (0.098 R)
• M25: 36,844,160 km (0.033 R)
• M26: 37,656,626 km (0.046 R)
• M27: 38,204,903 km (0.069 R)
• M28: 38,619,588 km (0.114 R)
• M29: 39,037,116 km (0.088 R)
• M30: 42,487,441 km (0.1 R)
• M31: 45,204,737 km (0.098 R)
• M32: 50,151,938 km (0.105 R)
• M33: 59,240,009 km (0.083 R)
• M34: 64,169,558 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 428.1

Radius: 7.8

Gravity: 7.04 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 8.96 AU - 11.42 AU

Year: 22453 Days

Day: 21.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,269,470 km

• M1: 97,089 km (0.1 R)
• M2: 348,264 km (0.038 R)
• M3: 658,380 km (0.043 R)
• M4: 1,091,466 km (0.12 R)
• M5: 2,068,490 km (0.056 R)
• M6: 7,336,130 km (0.091 R)
• M7: 10,309,238 km (0.05 R)
• M8: 11,269,806 km (0.07 R)
• M9: 13,788,436 km (0.117 R)
• M10: 23,049,142 km (0.112 R)
• M11: 29,464,797 km (0.057 R)
• M12: 35,355,811 km (0.119 R)
• M13: 35,890,773 km (0.051 R)
• M14: 45,671,332 km (0.042 R)
• M15: 57,640,209 km (0.091 R)
• M16: 58,753,965 km (0.054 R)
• M17: 61,600,962 km (0.025 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: 532 - 14,983 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit