🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.3

Radius: 8.5

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.8 AU - 1.18 AU

Year: 646 Days

Day: 13.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,316,290 km

• M1: 105,766 km (0.079 R)
• M2: 741,856 km (0.093 R)
• M3: 1,371,513 km (0.058 R)
• M4: 1,658,442 km (0.097 R)
• M5: 2,383,842 km (0.112 R)
• M6: 3,191,671 km (0.062 R)
• M7: 3,945,045 km (0.1 R)
• M8: 5,179,527 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.9

Radius: 10.6

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.46 AU - 1.72 AU

Year: 1315 Days

Day: 7.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,316,290 km

• M1: 132,693 km (0.109 R)
• M2: 490,232 km (0.058 R)
• M3: 840,441 km (0.108 R)
• M4: 1,467,106 km (0.096 R)
• M5: 2,170,964 km (0.115 R)
• M6: 2,656,709 km (0.091 R)
• M7: 3,689,383 km (0.086 R)
• M8: 5,292,473 km (0.105 R)
• M9: 5,819,956 km (0.106 R)
• M10: 6,655,609 km (0.036 R)
• M11: 7,158,408 km (0.104 R)
• M12: 8,314,201 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.4

Radius: 10.7

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.69 AU - 3.41 AU

Year: 3494 Days

Day: 14.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,316,290 km

• M1: 133,142 km (0.077 R)
• M2: 777,610 km (0.119 R)
• M3: 1,776,176 km (0.117 R)
• M4: 3,260,037 km (0.085 R)
• M5: 4,387,706 km (0.086 R)
• M6: 6,659,948 km (0.07 R)
• M7: 8,777,505 km (0.082 R)
• M8: 15,569,099 km (0.08 R)
• M9: 16,424,500 km (0.109 R)
• M10: 20,099,521 km (0.086 R)
• M11: 20,920,813 km (0.115 R)
• M12: 22,428,461 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.9

Radius: 11.6

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 4.58 AU - 5.1 AU

Year: 6985 Days

Day: 11.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,316,290 km

• M1: 144,212 km (0.093 R)
• M2: 536,458 km (0.12 R)
• M3: 1,974,542 km (0.078 R)
• M4: 2,364,394 km (0.063 R)
• M5: 3,037,435 km (0.095 R)
• M6: 3,495,653 km (0.03 R)
• M7: 4,145,656 km (0.059 R)
• M8: 7,618,571 km (0.115 R)
• M9: 8,350,104 km (0.073 R)
• M10: 8,712,730 km (0.098 R)
• M11: 9,469,545 km (0.099 R)
• M12: 11,066,203 km (0.12 R)
• M13: 11,853,088 km (0.082 R)
• M14: 14,669,866 km (0.109 R)
• M15: 16,799,691 km (0.051 R)
• M16: 22,120,738 km (0.082 R)
• M17: 26,520,411 km (0.056 R)
• M18: 31,763,218 km (0.059 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 973

Radius: 5.6

Gravity: 31.03 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 7.31 AU - 10.79 AU

Year: 17860 Days

Day: 16.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 161.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 79,316,290 km

• M1: 69,713 km (0.1 R)
• M2: 251,923 km (0.034 R)
• M3: 587,920 km (0.099 R)
• M4: 1,249,441 km (0.115 R)
• M5: 1,790,687 km (0.095 R)
• M6: 2,453,405 km (0.067 R)
• M7: 2,715,351 km (0.08 R)
• M8: 4,990,735 km (0.105 R)
• M9: 5,179,527 km (0.038 R)
• M10: 6,370,326 km (0.096 R)
• M11: 6,682,986 km (0.074 R)
• M12: 7,534,347 km (0.097 R)
• M13: 7,986,133 km (0.025 R)
• M14: 9,681,226 km (0.069 R)
• M15: 10,035,025 km (0.047 R)
• M16: 11,148,183 km (0.107 R)
• M17: 12,479,006 km (0.077 R)
• M18: 17,358,589 km (0.03 R)
• M19: 18,683,428 km (0.09 R)
• M20: 18,865,039 km (0.091 R)
• M21: 19,696,953 km (0.091 R)
• M22: 20,843,621 km (0.092 R)
• M23: 25,207,840 km (0.102 R)
• M24: 27,956,252 km (0.117 R)
• M25: 29,402,564 km (0.053 R)
• M26: 32,443,290 km (0.1 R)
• M27: 33,368,254 km (0.087 R)
• M28: 33,635,735 km (0.095 R)
• M29: 38,993,134 km (0.107 R)
• M30: 42,811,619 km (0.105 R)
• M31: 44,892,227 km (0.109 R)
• M32: 47,207,403 km (0.107 R)
• M33: 56,502,966 km (0.118 R)
• M34: 61,176,404 km (0.115 R)
• M35: 68,228,597 km (0.089 R)
• M36: 68,659,439 km (0.085 R)
• M37: 70,401,356 km (0.047 R)
• M38: 70,841,324 km (0.066 R)
• M39: 71,283,236 km (0.052 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 358 - 13,620 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit