🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.5

Radius: 8.8

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.46 AU - 0.58 AU

Year: 259 Days

Day: 7 Hours

Environment

Temp: -140 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,183,096 km

• M1: 109,506 km (0.09 R)
• M2: 560,244 km (0.111 R)
• M3: 1,018,163 km (0.082 R)
• M4: 1,295,817 km (0.101 R)
• M5: 1,706,164 km (0.101 R)
• M6: 2,438,744 km (0.097 R)
• M7: 2,737,043 km (0.093 R)
• M8: 3,117,470 km (0.12 R)
• M9: 3,459,600 km (0.095 R)
• M10: 3,837,933 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.4

Radius: 12.2

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.01 AU - 1.25 AU

Year: 829 Days

Day: 10.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,183,096 km

• M1: 151,842 km (0.117 R)
• M2: 579,093 km (0.111 R)
• M3: 1,240,316 km (0.098 R)
• M4: 2,096,465 km (0.043 R)
• M5: 2,538,676 km (0.047 R)
• M6: 2,965,479 km (0.089 R)
• M7: 3,454,514 km (0.109 R)
• M8: 3,965,690 km (0.046 R)
• M9: 4,492,574 km (0.088 R)
• M10: 5,274,073 km (0.076 R)
• M11: 6,251,246 km (0.1 R)
• M12: 7,613,185 km (0.062 R)
• M13: 8,324,972 km (0.063 R)
• M14: 8,860,233 km (0.113 R)
• M15: 9,822,746 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.1

Radius: 14.8

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.26 AU - 1.58 AU

Year: 1168 Days

Day: 7.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 60,183,096 km

• M1: 184,305 km (0.038 R)
• M2: 704,756 km (0.105 R)
• M3: 1,167,013 km (0.101 R)
• M4: 4,592,505 km (0.071 R)
• M5: 5,122,829 km (0.114 R)
• M6: 5,986,608 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.6

Radius: 14.2

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.55 AU - 2.23 AU

Year: 1794 Days

Day: 14.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,183,096 km

• M1: 176,675 km (0.081 R)
• M2: 695,630 km (0.107 R)
• M3: 1,149,510 km (0.102 R)
• M4: 2,025,106 km (0.057 R)
• M5: 2,774,891 km (0.098 R)
• M6: 3,361,015 km (0.082 R)
• M7: 3,850,799 km (0.113 R)
• M8: 4,992,081 km (0.086 R)
• M9: 5,668,563 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.3

Radius: 8.5

Gravity: 10.59 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.7 AU - 2.42 AU

Year: 2041 Days

Day: 8.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,183,096 km

• M1: 105,766 km (0.079 R)
• M2: 396,584 km (0.112 R)
• M3: 699,370 km (0.102 R)
• M4: 1,038,508 km (0.071 R)
• M5: 1,312,721 km (0.078 R)
• M6: 1,862,045 km (0.03 R)
• M7: 2,487,364 km (0.058 R)
• M8: 3,082,763 km (0.069 R)
• M9: 3,448,979 km (0.064 R)
• M10: 4,725,049 km (0.084 R)
• M11: 5,493,533 km (0.065 R)
• M12: 6,744,171 km (0.037 R)
• M13: 7,450,872 km (0.082 R)
• M14: 8,780,497 km (0.116 R)
• M15: 10,370,872 km (0.063 R)
• M16: 11,428,081 km (0.102 R)
• M17: 12,597,188 km (0.075 R)
• M18: 13,492,082 km (0.105 R)
• M19: 16,332,048 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598

Radius: 11.2

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.03 AU - 2.91 AU

Year: 2680 Days

Day: 11.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,183,096 km

• M1: 139,724 km (0.094 R)
• M2: 634,445 km (0.089 R)
• M3: 1,243,308 km (0.103 R)
• M4: 1,673,701 km (0.062 R)
• M5: 2,139,399 km (0.115 R)
• M6: 2,705,926 km (0.064 R)
• M7: 3,405,596 km (0.065 R)
• M8: 4,221,951 km (0.071 R)
• M9: 4,842,932 km (0.115 R)
• M10: 5,524,051 km (0.051 R)
• M11: 5,952,200 km (0.056 R)
• M12: 6,790,547 km (0.083 R)
• M13: 8,535,007 km (0.053 R)
• M14: 8,903,467 km (0.087 R)
• M15: 9,282,398 km (0.09 R)
• M16: 10,409,020 km (0.107 R)
• M17: 16,242,439 km (0.102 R)
• M18: 17,019,002 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.9

Radius: 8.3

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.28 AU - 3.06 AU

Year: 3011 Days

Day: 12 Hours

Environment

Temp: -211 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,183,096 km

• M1: 177,423 km (0.091 R)
• M2: 716,723 km (0.092 R)
• M3: 1,075,010 km (0.063 R)
• M4: 1,361,939 km (0.089 R)
• M5: 1,748,949 km (0.059 R)
• M6: 2,061,309 km (0.114 R)
• M7: 2,827,250 km (0.099 R)
• M8: 3,737,104 km (0.053 R)
• M9: 10,844,050 km (0.055 R)
• M10: 12,841,930 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.3

Radius: 10.3

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.77 AU - 4.24 AU

Year: 4520 Days

Day: 5.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,183,096 km

• M1: 128,953 km (0.028 R)
• M2: 668,852 km (0.091 R)
• M3: 1,377,497 km (0.077 R)
• M4: 1,779,467 km (0.108 R)
• M5: 3,564,917 km (0.073 R)
• M6: 6,413,560 km (0.076 R)
• M7: 7,547,811 km (0.095 R)
• M8: 9,952,597 km (0.118 R)
• M9: 10,603,497 km (0.037 R)
• M10: 11,609,244 km (0.097 R)
• M11: 12,086,910 km (0.06 R)
• M12: 13,651,404 km (0.118 R)
• M13: 19,283,465 km (0.073 R)
• M14: 20,089,947 km (0.115 R)
• M15: 20,848,707 km (0.105 R)
• M16: 28,994,461 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 311.8

Radius: 4.2

Gravity: 17.68 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 9.17 AU - 10.23 AU

Year: 20853 Days

Day: 22.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,183,096 km

• M1: 110,553 km (0.09 R)
• M2: 593,305 km (0.104 R)
• M3: 1,072,916 km (0.095 R)
• M4: 1,473,689 km (0.062 R)
• M5: 2,154,808 km (0.033 R)
• M6: 3,674,273 km (0.109 R)
• M7: 4,136,232 km (0.082 R)
• M8: 6,020,417 km (0.05 R)
• M9: 7,888,745 km (0.104 R)
• M10: 9,679,431 km (0.041 R)
• M11: 11,663,548 km (0.073 R)
• M12: 16,795,353 km (0.115 R)
• M13: 17,735,426 km (0.087 R)
• M14: 23,733,702 km (0.115 R)
• M15: 32,483,981 km (0.053 R)
• M16: 34,062,837 km (0.085 R)
• M17: 39,240,419 km (0.104 R)
• M18: 41,169,633 km (0.108 R)
• M19: 42,299,845 km (0.108 R)
• M20: 42,729,041 km (0.071 R)
• M21: 44,622,352 km (0.089 R)
• M22: 50,155,529 km (0.083 R)
• M23: 51,933,200 km (0.103 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: 346 - 18,211 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit