🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.5

Radius: 13.7

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.44 AU - 0.64 AU

Year: 274 Days

Day: 5.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 67,189,585 km

• M1: 171,589 km (0.093 R)
• M2: 641,326 km (0.094 R)
• M3: 1,392,158 km (0.1 R)
• M4: 1,931,159 km (0.094 R)
• M5: 2,583,854 km (0.055 R)
• M6: 3,695,217 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.9

Radius: 11.9

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.51 AU - 0.73 AU

Year: 337 Days

Day: 8.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,189,585 km

• M1: 152,590 km (0.041 R)
• M2: 614,698 km (0.072 R)
• M3: 1,009,187 km (0.1 R)
• M4: 1,632,113 km (0.096 R)
• M5: 2,151,367 km (0.043 R)
• M6: 2,600,161 km (0.093 R)
• M7: 2,997,941 km (0.118 R)
• M8: 3,369,692 km (0.104 R)
• M9: 3,954,769 km (0.11 R)
• M10: 4,390,698 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571

Radius: 12.6

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.15 AU - 1.39 AU

Year: 988 Days

Day: 9.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 67 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,189,585 km

• M1: 156,779 km (0.064 R)
• M2: 714,928 km (0.085 R)
• M3: 1,225,356 km (0.097 R)
• M4: 1,650,065 km (0.112 R)
• M5: 2,341,207 km (0.107 R)
• M6: 2,761,128 km (0.11 R)
• M7: 3,178,356 km (0.072 R)
• M8: 3,907,048 km (0.073 R)
• M9: 5,085,580 km (0.109 R)
• M10: 6,167,771 km (0.111 R)
• M11: 6,730,408 km (0.113 R)
• M12: 7,958,457 km (0.106 R)
• M13: 9,330,868 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.5

Radius: 8.3

Gravity: 9.12 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.51 AU - 2.73 AU

Year: 2927 Days

Day: 8.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,189,585 km

• M1: 106,813 km (0.094 R)
• M2: 694,433 km (0.076 R)
• M3: 1,727,706 km (0.065 R)
• M4: 2,118,007 km (0.062 R)
• M5: 2,734,499 km (0.059 R)
• M6: 4,342,228 km (0.073 R)
• M7: 5,019,757 km (0.048 R)
• M8: 5,870,968 km (0.102 R)
• M9: 8,182,704 km (0.105 R)
• M10: 9,107,369 km (0.063 R)
• M11: 10,369,077 km (0.103 R)
• M12: 12,694,875 km (0.1 R)
• M13: 13,464,556 km (0.043 R)
• M14: 14,849,085 km (0.068 R)
• M15: 16,064,567 km (0.095 R)
• M16: 16,537,147 km (0.116 R)
• M17: 18,122,884 km (0.117 R)
• M18: 18,577,662 km (0.045 R)
• M19: 19,215,248 km (0.102 R)
• M20: 19,807,656 km (0.057 R)
• M21: 20,412,031 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.2

Radius: 8

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.82 AU - 3.12 AU

Year: 3533 Days

Day: 14 Hours

Environment

Temp: -206 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,189,585 km

• M1: 99,782 km (0.099 R)
• M2: 405,111 km (0.08 R)
• M3: 866,022 km (0.118 R)
• M4: 1,161,029 km (0.106 R)
• M5: 1,415,196 km (0.115 R)
• M6: 2,202,829 km (0.12 R)
• M7: 2,935,559 km (0.037 R)
• M8: 3,892,088 km (0.115 R)
• M9: 5,346,030 km (0.078 R)
• M10: 5,965,813 km (0.059 R)
• M11: 6,455,148 km (0.087 R)
• M12: 9,089,267 km (0.094 R)
• M13: 10,038,915 km (0.052 R)
• M14: 10,485,464 km (0.113 R)
• M15: 11,942,847 km (0.102 R)
• M16: 12,405,104 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.2

Radius: 8.3

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 4.42 AU - 5.7 AU

Year: 7857 Days

Day: 5.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,189,585 km

• M1: 243,845 km (0.109 R)
• M2: 520,750 km (0.072 R)
• M3: 780,153 km (0.098 R)
• M4: 1,445,265 km (0.112 R)
• M5: 2,432,461 km (0.112 R)
• M6: 3,024,869 km (0.1 R)
• M7: 3,575,240 km (0.107 R)
• M8: 3,990,074 km (0.12 R)
• M9: 5,564,143 km (0.097 R)
• M10: 6,742,675 km (0.067 R)
• M11: 8,313,602 km (0.112 R)
• M12: 10,148,420 km (0.088 R)
• M13: 10,455,545 km (0.064 R)
• M14: 11,784,123 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 847.4

Radius: 4.3

Gravity: 45.83 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 7.71 AU - 7.81 AU

Year: 14921 Days

Day: 23.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 67,189,585 km

• M1: 55,351 km (0.119 R)
• M2: 293,960 km (0.066 R)
• M3: 478,564 km (0.037 R)
• M4: 666,309 km (0.111 R)
• M5: 913,744 km (0.105 R)
• M6: 1,115,103 km (0.109 R)
• M7: 1,260,960 km (0.095 R)
• M8: 1,527,245 km (0.052 R)
• M9: 2,358,111 km (0.108 R)
• M10: 2,510,252 km (0.104 R)
• M11: 2,668,976 km (0.089 R)
• M12: 3,108,195 km (0.091 R)
• M13: 3,372,086 km (0.051 R)
• M14: 4,956,776 km (0.09 R)
• M15: 6,009,496 km (0.085 R)
• M16: 6,212,201 km (0.114 R)
• M17: 10,105,187 km (0.074 R)
• M18: 10,391,816 km (0.094 R)
• M19: 11,655,170 km (0.075 R)
• M20: 12,034,102 km (0.065 R)
• M21: 14,266,850 km (0.116 R)
• M22: 15,068,395 km (0.079 R)
• M23: 17,001,050 km (0.116 R)
• M24: 17,488,290 km (0.089 R)
• M25: 17,818,303 km (0.088 R)
• M26: 21,443,808 km (0.11 R)
• M27: 22,300,555 km (0.047 R)
• M28: 27,813,835 km (0.038 R)
• M29: 28,376,472 km (0.107 R)
• M30: 28,603,711 km (0.106 R)
• M31: 28,832,147 km (0.077 R)
• M32: 35,732,349 km (0.113 R)
• M33: 38,579,944 km (0.045 R)
• M34: 38,998,669 km (0.107 R)
• M35: 51,821,750 km (0.03 R)
• M36: 54,754,616 km (0.099 R)
• M37: 54,930,543 km (0.105 R)
• M38: 55,637,842 km (0.116 R)
• M39: 57,070,690 km (0.107 R)
• M40: 60,196,837 km (0.099 R)
• M41: 63,241,453 km (0.073 R)
• M42: 63,435,032 km (0.057 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: 321 - 14,964 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit