🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.6

Radius: 13.5

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.89 AU - 0.97 AU

Year: 608 Days

Day: 5.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 42,309,482 km

• M1: 170,542 km (0.096 R)
• M2: 792,869 km (0.09 R)
• M3: 1,587,832 km (0.059 R)
• M4: 2,169,917 km (0.072 R)
• M5: 2,744,223 km (0.073 R)
• M6: 5,633,856 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.3

Radius: 9.4

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.88 AU - 1.32 AU

Year: 782 Days

Day: 11.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 42,309,482 km

• M1: 116,986 km (0.09 R)
• M2: 522,695 km (0.104 R)
• M3: 877,541 km (0.087 R)
• M4: 1,230,592 km (0.056 R)
• M5: 2,156,753 km (0.088 R)
• M6: 3,352,339 km (0.099 R)
• M7: 5,309,228 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.6

Radius: 13

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1 AU - 1.24 AU

Year: 804 Days

Day: 10 Hours

Environment

Temp: -189 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,309,482 km

• M1: 162,613 km (0.083 R)
• M2: 569,968 km (0.116 R)
• M3: 1,043,595 km (0.095 R)
• M4: 1,636,002 km (0.102 R)
• M5: 2,104,244 km (0.066 R)
• M6: 3,028,459 km (0.098 R)
• M7: 3,612,938 km (0.117 R)
• M8: 4,353,448 km (0.061 R)
• M9: 4,848,467 km (0.106 R)
• M10: 5,534,672 km (0.087 R)
• M11: 6,013,834 km (0.089 R)
• M12: 6,740,132 km (0.03 R)
• M13: 7,790,459 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.1

Radius: 9.8

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.36 AU - 1.96 AU

Year: 1451 Days

Day: 11.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 42,309,482 km

• M1: 122,371 km (0.032 R)
• M2: 747,241 km (0.099 R)
• M3: 2,003,415 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.1

Radius: 9.2

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.82 AU - 2.86 AU

Year: 3246 Days

Day: 6.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 42,309,482 km

• M1: 114,742 km (0.092 R)
• M2: 424,110 km (0.101 R)
• M3: 880,533 km (0.111 R)
• M4: 1,176,737 km (0.078 R)
• M5: 2,299,618 km (0.058 R)
• M6: 2,795,087 km (0.088 R)
• M7: 3,360,567 km (0.104 R)
• M8: 3,739,049 km (0.102 R)
• M9: 4,835,153 km (0.109 R)
• M10: 5,318,952 km (0.115 R)
• M11: 5,888,172 km (0.066 R)
• M12: 6,526,058 km (0.109 R)
• M13: 7,056,831 km (0.12 R)
• M14: 8,893,743 km (0.037 R)
• M15: 9,846,681 km (0.112 R)
• M16: 10,624,890 km (0.073 R)
• M17: 11,401,602 km (0.031 R)
• M18: 11,911,431 km (0.115 R)
• M19: 12,259,695 km (0.057 R)
• M20: 12,749,479 km (0.097 R)
• M21: 14,346,735 km (0.088 R)
• M22: 14,741,075 km (0.05 R)
• M23: 15,295,185 km (0.03 R)
• M24: 15,863,209 km (0.1 R)
• M25: 17,933,793 km (0.062 R)
• M26: 18,974,994 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.9

Radius: 11.1

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.96 AU - 4.12 AU

Year: 5508 Days

Day: 8.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,309,482 km

• M1: 140,622 km (0.076 R)
• M2: 943,963 km (0.116 R)
• M3: 1,771,987 km (0.074 R)
• M4: 2,183,979 km (0.08 R)
• M5: 6,272,788 km (0.117 R)
• M6: 7,118,914 km (0.094 R)
• M7: 7,585,510 km (0.068 R)
• M8: 11,237,194 km (0.115 R)
• M9: 15,249,708 km (0.111 R)
• M10: 17,885,622 km (0.116 R)
• M11: 21,126,959 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.7

Radius: 10.6

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 3.25 AU - 4.85 AU

Year: 5528 Days

Day: 10.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 174.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 42,309,482 km

• M1: 131,945 km (0.117 R)
• M2: 615,595 km (0.034 R)
• M3: 1,133,503 km (0.099 R)
• M4: 1,547,440 km (0.074 R)
• M5: 2,107,236 km (0.117 R)
• M6: 2,443,831 km (0.06 R)
• M7: 5,202,864 km (0.071 R)
• M8: 5,582,394 km (0.061 R)
• M9: 6,106,435 km (0.103 R)
• M10: 6,529,199 km (0.045 R)
• M11: 7,397,316 km (0.042 R)
• M12: 8,030,414 km (0.086 R)
• M13: 9,662,676 km (0.047 R)
• M14: 11,167,331 km (0.078 R)
• M15: 12,875,141 km (0.081 R)
• M16: 16,676,123 km (0.041 R)
• M17: 17,764,598 km (0.055 R)
• M18: 19,173,660 km (0.113 R)
• M19: 19,589,542 km (0.12 R)
• M20: 20,224,884 km (0.113 R)
• M21: 21,910,553 km (0.108 R)
• M22: 23,847,097 km (0.102 R)
• M23: 28,594,287 km (0.071 R)
• M24: 29,687,697 km (0.115 R)
• M25: 31,571,733 km (0.107 R)
• M26: 32,249,561 km (0.111 R)
• M27: 32,937,113 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 871.3

Radius: 7.6

Gravity: 15.08 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 9.38 AU - 10.08 AU

Year: 20585 Days

Day: 16.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,309,482 km

• M1: 135,835 km (0.025 R)
• M2: 389,254 km (0.114 R)
• M3: 756,068 km (0.093 R)
• M4: 1,821,354 km (0.11 R)
• M5: 3,482,190 km (0.112 R)
• M6: 5,922,729 km (0.109 R)
• M7: 9,320,546 km (0.068 R)
• M8: 10,970,311 km (0.092 R)
• M9: 11,762,581 km (0.093 R)
• M10: 12,663,310 km (0.11 R)
• M11: 15,155,311 km (0.077 R)
• M12: 15,641,056 km (0.103 R)
• M13: 15,887,892 km (0.08 R)
• M14: 18,409,215 km (0.088 R)
• M15: 18,684,475 km (0.107 R)
• M16: 23,469,512 km (0.066 R)
• M17: 24,119,665 km (0.09 R)
• M18: 28,520,086 km (0.112 R)
• M19: 30,395,146 km (0.043 R)
• M20: 31,167,520 km (0.032 R)
• M21: 36,511,006 km (0.077 R)
• M22: 54,238,802 km (0.115 R)
• M23: 72,525,048 km (0.105 R)
• M24: 80,565,933 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 84.3

Radius: 4.3

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 9.85 AU - 11.49 AU

Year: 23639 Days

Day: 16.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,309,482 km

• M1: 60,138 km (0.059 R)
• M2: 412,142 km (0.098 R)
• M3: 729,738 km (0.065 R)
• M4: 1,685,220 km (0.053 R)
• M5: 2,598,814 km (0.099 R)
• M6: 3,955,667 km (0.078 R)
• M7: 4,113,044 km (0.119 R)
• M8: 4,934,037 km (0.063 R)
• M9: 5,241,012 km (0.109 R)
• M10: 7,674,820 km (0.047 R)
• M11: 8,426,698 km (0.057 R)
• M12: 11,982,341 km (0.061 R)
• M13: 22,426,965 km (0.106 R)
• M14: 24,565,915 km (0.11 R)
• M15: 26,003,999 km (0.049 R)
• M16: 38,144,315 km (0.102 R)
• M17: 40,436,304 km (0.052 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 179 - 12,788 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit