🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.35

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.53 AU - 0.75 AU

Year: 189 Days

Day: 16 Hours

Environment

Temp: 125 °C

Axial Tilt: 9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 80,146,605 km

• M1: 108,907 km (0.109 R)
• M2: 319,092 km (0.074 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.46 AU - 1.8 AU

Year: 768 Days

Day: 46.3 Hours

Environment

Temp: -43 °C

Axial Tilt: 50 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.4

Radius: 14.2

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 4.13 AU - 6.21 AU

Year: 4337 Days

Day: 10.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 125.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,146,605 km

• M1: 176,675 km (0.085 R)
• M2: 1,185,862 km (0.06 R)
• M3: 2,251,747 km (0.085 R)
• M4: 2,971,762 km (0.057 R)
• M5: 4,445,899 km (0.081 R)
• M6: 5,249,389 km (0.093 R)
• M7: 6,239,877 km (0.042 R)
• M8: 7,702,794 km (0.099 R)
• M9: 8,213,222 km (0.086 R)
• M10: 8,942,362 km (0.108 R)
• M11: 15,483,529 km (0.04 R)
• M12: 16,960,060 km (0.084 R)
• M13: 19,783,870 km (0.067 R)
• M14: 22,390,313 km (0.118 R)
• M15: 23,737,741 km (0.085 R)
• M16: 24,353,636 km (0.112 R)
• M17: 27,342,302 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.8

Radius: 13.7

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.57 AU - 6.01 AU

Year: 4489 Days

Day: 5.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 80,146,605 km

• M1: 170,392 km (0.117 R)
• M2: 597,195 km (0.087 R)
• M3: 1,324,839 km (0.104 R)
• M4: 1,779,915 km (0.102 R)
• M5: 3,057,631 km (0.08 R)
• M6: 4,668,800 km (0.051 R)
• M7: 5,809,484 km (0.106 R)
• M8: 6,494,044 km (0.112 R)
• M9: 7,514,151 km (0.03 R)
• M10: 10,441,183 km (0.037 R)
• M11: 13,098,341 km (0.09 R)
• M12: 15,294,438 km (0.119 R)
• M13: 15,820,573 km (0.075 R)
• M14: 16,601,923 km (0.043 R)
• M15: 17,918,384 km (0.047 R)
• M16: 18,437,788 km (0.102 R)
• M17: 21,187,397 km (0.109 R)
• M18: 23,114,965 km (0.103 R)
• M19: 24,516,099 km (0.083 R)
• M20: 25,318,692 km (0.072 R)
• M21: 26,138,638 km (0.112 R)
• M22: 27,231,001 km (0.056 R)
• M23: 27,918,254 km (0.107 R)
• M24: 28,705,139 km (0.119 R)
• M25: 31,341,801 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.2

Radius: 12.6

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 5.79 AU - 7.69 AU

Year: 6456 Days

Day: 12.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 80,146,605 km

• M1: 156,629 km (0.094 R)
• M2: 954,584 km (0.088 R)
• M3: 1,486,554 km (0.065 R)
• M4: 2,156,005 km (0.079 R)
• M5: 3,302,373 km (0.088 R)
• M6: 4,261,744 km (0.086 R)
• M7: 4,921,620 km (0.117 R)
• M8: 6,262,616 km (0.087 R)
• M9: 7,624,555 km (0.079 R)
• M10: 8,083,820 km (0.067 R)
• M11: 8,486,837 km (0.116 R)
• M12: 10,235,337 km (0.088 R)
• M13: 11,512,155 km (0.076 R)
• M14: 16,267,123 km (0.092 R)
• M15: 17,390,603 km (0.111 R)
• M16: 18,188,857 km (0.088 R)
• M17: 20,730,226 km (0.101 R)
• M18: 24,248,020 km (0.084 R)
• M19: 25,244,192 km (0.117 R)
• M20: 27,154,856 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 700.1

Radius: 3.3

Gravity: 64.29 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 11.61 AU - 13.11 AU

Year: 16033 Days

Day: 19.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 80,146,605 km

• M1: 40,990 km (0.077 R)
• M2: 226,342 km (0.07 R)
• M3: 360,082 km (0.059 R)
• M4: 569,818 km (0.088 R)
• M5: 1,587,383 km (0.076 R)
• M6: 1,703,621 km (0.033 R)
• M7: 2,331,034 km (0.109 R)
• M8: 2,570,839 km (0.115 R)
• M9: 3,023,223 km (0.032 R)
• M10: 3,471,269 km (0.054 R)
• M11: 4,731,182 km (0.098 R)
• M12: 6,947,475 km (0.089 R)
• M13: 7,912,979 km (0.101 R)
• M14: 8,106,559 km (0.106 R)
• M15: 8,452,878 km (0.062 R)
• M16: 8,860,682 km (0.102 R)
• M17: 9,017,012 km (0.111 R)
• M18: 11,586,953 km (0.073 R)
• M19: 11,711,269 km (0.102 R)
• M20: 12,281,985 km (0.051 R)
• M21: 14,176,044 km (0.118 R)
• M22: 14,896,956 km (0.075 R)
• M23: 21,754,971 km (0.098 R)
• M24: 24,404,948 km (0.113 R)
• M25: 25,543,687 km (0.101 R)
• M26: 26,501,263 km (0.102 R)
• M27: 30,217,124 km (0.107 R)
• M28: 31,167,520 km (0.115 R)
• M29: 32,383,152 km (0.114 R)
• M30: 34,010,478 km (0.11 R)
• M31: 38,384,270 km (0.08 R)
• M32: 38,938,531 km (0.103 R)
• M33: 50,676,428 km (0.058 R)
• M34: 51,511,035 km (0.109 R)
• M35: 59,809,229 km (0.117 R)
• M36: 64,370,767 km (0.116 R)
• M37: 64,565,693 km (0.112 R)
• M38: 64,956,742 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 757.4

Radius: 3.5

Gravity: 61.83 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 14.25 AU - 14.93 AU

Year: 20562 Days

Day: 21.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 80,146,605 km

• M1: 43,982 km (0.088 R)
• M2: 254,017 km (0.078 R)
• M3: 409,898 km (0.097 R)
• M4: 703,708 km (0.11 R)
• M5: 1,534,276 km (0.109 R)
• M6: 3,304,318 km (0.118 R)
• M7: 3,537,092 km (0.096 R)
• M8: 3,749,820 km (0.109 R)
• M9: 3,875,034 km (0.104 R)
• M10: 4,301,537 km (0.108 R)
• M11: 4,758,708 km (0.053 R)
• M12: 6,323,801 km (0.082 R)
• M13: 6,501,523 km (0.104 R)
• M14: 6,866,991 km (0.081 R)
• M15: 9,238,716 km (0.06 R)
• M16: 9,467,600 km (0.062 R)
• M17: 10,056,418 km (0.06 R)
• M18: 12,586,866 km (0.085 R)
• M19: 12,797,499 km (0.099 R)
• M20: 13,298,054 km (0.077 R)
• M21: 15,916,316 km (0.12 R)
• M22: 20,073,042 km (0.094 R)
• M23: 20,943,851 km (0.073 R)
• M24: 23,388,281 km (0.096 R)
• M25: 24,135,522 km (0.102 R)
• M26: 26,934,349 km (0.116 R)
• M27: 27,284,108 km (0.115 R)
• M28: 28,471,766 km (0.093 R)
• M29: 28,956,313 km (0.078 R)
• M30: 31,849,686 km (0.117 R)
• M31: 33,299,140 km (0.103 R)
• M32: 39,989,156 km (0.032 R)
• M33: 49,063,464 km (0.089 R)
• M34: 49,584,962 km (0.06 R)
• M35: 51,349,918 km (0.116 R)
• M36: 53,890,539 km (0.096 R)
• M37: 59,220,711 km (0.107 R)
• M38: 59,811,921 km (0.11 R)
• M39: 69,812,090 km (0.096 R)
• M40: 72,475,232 km (0.116 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 517 - 14,548 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit