🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.7

Radius: 9.9

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.62 AU - 0.7 AU

Year: 370 Days

Day: 8.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 36,867,905 km

• M1: 123,119 km (0.102 R)
• M2: 490,083 km (0.054 R)
• M3: 799,900 km (0.105 R)
• M4: 1,125,275 km (0.057 R)
• M5: 1,583,194 km (0.066 R)
• M6: 2,490,206 km (0.084 R)
• M7: 3,880,120 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.4

Radius: 13.5

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.05 AU - 1.41 AU

Year: 942 Days

Day: 7.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,867,905 km

• M1: 167,849 km (0.102 R)
• M2: 611,855 km (0.077 R)
• M3: 1,116,449 km (0.026 R)
• M4: 1,674,299 km (0.048 R)
• M5: 3,317,632 km (0.075 R)
• M6: 4,354,046 km (0.117 R)
• M7: 4,905,763 km (0.106 R)
• M8: 5,726,457 km (0.079 R)
• M9: 7,192,965 km (0.068 R)
• M10: 7,664,497 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18

Radius: 8.1

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.03 AU - 1.45 AU

Year: 953 Days

Day: 9.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 36,867,905 km

• M1: 100,679 km (0.101 R)
• M2: 446,998 km (0.106 R)
• M3: 1,864,887 km (0.025 R)
• M4: 2,287,052 km (0.035 R)
• M5: 2,634,419 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.4

Radius: 14

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.51 AU - 2.27 AU

Year: 1794 Days

Day: 5.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,867,905 km

• M1: 174,581 km (0.119 R)
• M2: 643,570 km (0.115 R)
• M3: 1,262,307 km (0.084 R)
• M4: 1,948,662 km (0.115 R)
• M5: 2,399,550 km (0.069 R)
• M6: 2,846,249 km (0.116 R)
• M7: 3,855,885 km (0.106 R)
• M8: 4,333,850 km (0.095 R)
• M9: 4,916,384 km (0.071 R)
• M10: 5,364,131 km (0.081 R)
• M11: 6,291,039 km (0.081 R)
• M12: 7,436,959 km (0.11 R)
• M13: 8,431,486 km (0.117 R)
• M14: 11,248,563 km (0.076 R)
• M15: 12,030,960 km (0.116 R)
• M16: 12,682,758 km (0.083 R)
• M17: 16,008,917 km (0.056 R)
• M18: 16,948,840 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.1

Radius: 10.4

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.19 AU - 3.35 AU

Year: 3182 Days

Day: 14.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,867,905 km

• M1: 131,048 km (0.098 R)
• M2: 575,952 km (0.115 R)
• M3: 1,262,606 km (0.117 R)
• M4: 1,636,601 km (0.09 R)
• M5: 2,645,489 km (0.085 R)
• M6: 4,898,881 km (0.103 R)
• M7: 5,291,426 km (0.044 R)
• M8: 6,509,452 km (0.059 R)
• M9: 7,806,615 km (0.07 R)
• M10: 11,792,501 km (0.099 R)
• M11: 12,545,128 km (0.075 R)
• M12: 13,329,619 km (0.111 R)
• M13: 13,951,198 km (0.099 R)
• M14: 16,199,654 km (0.106 R)
• M15: 17,864,679 km (0.084 R)
• M16: 18,385,728 km (0.102 R)
• M17: 19,763,375 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.8

Radius: 12.3

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 4.03 AU - 6.21 AU

Year: 7997 Days

Day: 14.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 36,867,905 km

• M1: 153,039 km (0.119 R)
• M2: 544,686 km (0.072 R)
• M3: 1,733,989 km (0.063 R)
• M4: 2,749,908 km (0.104 R)
• M5: 3,309,254 km (0.098 R)
• M6: 5,046,235 km (0.117 R)
• M7: 5,488,895 km (0.053 R)
• M8: 6,061,407 km (0.052 R)
• M9: 6,748,061 km (0.096 R)
• M10: 8,670,693 km (0.095 R)
• M11: 12,571,307 km (0.105 R)
• M12: 13,688,804 km (0.032 R)
• M13: 14,743,917 km (0.047 R)
• M14: 17,582,537 km (0.062 R)
• M15: 18,235,232 km (0.117 R)
• M16: 18,903,935 km (0.112 R)
• M17: 20,211,720 km (0.043 R)
• M18: 24,318,181 km (0.098 R)
• M19: 26,050,225 km (0.116 R)
• M20: 28,750,467 km (0.104 R)
• M21: 31,632,171 km (0.062 R)
• M22: 32,706,433 km (0.098 R)
• M23: 42,840,791 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 123.1

Radius: 7.8

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 6.11 AU - 10.09 AU

Year: 15913 Days

Day: 21.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,867,905 km

• M1: 98,884 km (0.08 R)
• M2: 413,788 km (0.12 R)
• M3: 657,931 km (0.044 R)
• M4: 1,171,351 km (0.074 R)
• M5: 1,885,083 km (0.086 R)
• M6: 2,840,864 km (0.116 R)
• M7: 5,090,367 km (0.083 R)
• M8: 7,534,347 km (0.113 R)
• M9: 10,102,344 km (0.117 R)
• M10: 12,763,541 km (0.091 R)
• M11: 13,650,806 km (0.078 R)
• M12: 19,494,099 km (0.063 R)
• M13: 22,918,843 km (0.108 R)
• M14: 24,899,967 km (0.077 R)
• M15: 26,370,365 km (0.09 R)
• M16: 27,533,339 km (0.105 R)
• M17: 31,623,494 km (0.098 R)
• M18: 32,123,899 km (0.103 R)
• M19: 33,449,635 km (0.114 R)
• M20: 36,537,934 km (0.052 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 551 - 19,043 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit