🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.4

Radius: 12.8

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.45 AU - 0.69 AU

Year: 297 Days

Day: 12 Hours

Environment

Temp: -152 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 29,284,891 km

• M1: 159,172 km (0.032 R)
• M2: 591,809 km (0.109 R)
• M3: 997,668 km (0.08 R)
• M4: 1,446,761 km (0.079 R)
• M5: 1,906,774 km (0.091 R)
• M6: 2,958,896 km (0.092 R)
• M7: 3,451,971 km (0.066 R)
• M8: 4,275,806 km (0.116 R)
• M9: 4,741,654 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.7

Radius: 10

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.78 AU - 1 AU

Year: 580 Days

Day: 9.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 29,284,891 km

• M1: 124,465 km (0.092 R)
• M2: 442,211 km (0.081 R)
• M3: 764,595 km (0.071 R)
• M4: 1,143,377 km (0.114 R)
• M5: 1,735,784 km (0.073 R)
• M6: 2,079,560 km (0.119 R)
• M7: 2,828,746 km (0.055 R)
• M8: 3,181,498 km (0.1 R)
• M9: 4,303,632 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.6

Radius: 9.3

Gravity: 7.08 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.69 AU - 3.57 AU

Year: 3822 Days

Day: 13.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 29,284,891 km

• M1: 119,230 km (0.106 R)
• M2: 619,036 km (0.116 R)
• M3: 1,162,525 km (0.088 R)
• M4: 1,454,540 km (0.094 R)
• M5: 2,518,331 km (0.103 R)
• M6: 3,558,784 km (0.101 R)
• M7: 4,693,633 km (0.038 R)
• M8: 5,214,832 km (0.081 R)
• M9: 6,168,519 km (0.083 R)
• M10: 8,706,596 km (0.09 R)
• M11: 9,075,804 km (0.082 R)
• M12: 9,532,676 km (0.106 R)
• M13: 10,004,806 km (0.046 R)
• M14: 11,383,650 km (0.114 R)
• M15: 12,932,736 km (0.101 R)
• M16: 13,413,992 km (0.076 R)
• M17: 14,929,419 km (0.078 R)
• M18: 16,166,294 km (0.105 R)
• M19: 17,880,536 km (0.037 R)
• M20: 19,399,104 km (0.119 R)
• M21: 23,038,970 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.6

Radius: 8.8

Gravity: 10.71 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.75 AU - 3.75 AU

Year: 4044 Days

Day: 8.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 29,284,891 km

• M1: 109,506 km (0.11 R)
• M2: 581,936 km (0.1 R)
• M3: 1,012,927 km (0.114 R)
• M4: 1,429,707 km (0.108 R)
• M5: 2,432,162 km (0.086 R)
• M6: 2,818,573 km (0.04 R)
• M7: 3,485,182 km (0.11 R)
• M8: 5,483,809 km (0.114 R)
• M9: 5,883,834 km (0.076 R)
• M10: 7,474,059 km (0.102 R)
• M11: 10,411,413 km (0.073 R)
• M12: 11,205,778 km (0.1 R)
• M13: 12,087,508 km (0.03 R)
• M14: 17,505,195 km (0.102 R)
• M15: 19,862,708 km (0.092 R)
• M16: 20,399,016 km (0.11 R)
• M17: 21,994,627 km (0.118 R)
• M18: 22,859,452 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.4

Radius: 14.7

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.08 AU - 4.82 AU

Year: 5419 Days

Day: 11.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 29,284,891 km

• M1: 190,737 km (0.117 R)
• M2: 653,443 km (0.114 R)
• M3: 1,298,360 km (0.111 R)
• M4: 1,896,452 km (0.095 R)
• M5: 2,615,120 km (0.11 R)
• M6: 3,233,109 km (0.094 R)
• M7: 3,804,872 km (0.07 R)
• M8: 4,310,513 km (0.092 R)
• M9: 5,407,215 km (0.08 R)
• M10: 6,246,309 km (0.051 R)
• M11: 7,715,510 km (0.109 R)
• M12: 8,287,722 km (0.099 R)
• M13: 9,033,767 km (0.115 R)
• M14: 9,747,049 km (0.093 R)
• M15: 10,783,763 km (0.025 R)
• M16: 13,745,950 km (0.111 R)
• M17: 14,437,990 km (0.082 R)
• M18: 17,441,317 km (0.103 R)
• M19: 18,076,958 km (0.096 R)
• M20: 19,150,323 km (0.108 R)
• M21: 20,139,763 km (0.091 R)
• M22: 21,489,734 km (0.074 R)
• M23: 22,899,395 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.1

Radius: 10.2

Gravity: 8.03 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.9 AU - 4.1 AU

Year: 5522 Days

Day: 11.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 29,284,891 km

• M1: 126,859 km (0.115 R)
• M2: 507,586 km (0.067 R)
• M3: 841,039 km (0.105 R)
• M4: 1,241,513 km (0.093 R)
• M5: 2,071,183 km (0.072 R)
• M6: 2,493,497 km (0.076 R)
• M7: 2,838,021 km (0.096 R)
• M8: 3,513,007 km (0.077 R)
• M9: 4,068,613 km (0.115 R)
• M10: 4,575,600 km (0.071 R)
• M11: 7,506,971 km (0.079 R)
• M12: 7,844,613 km (0.108 R)
• M13: 9,086,425 km (0.091 R)
• M14: 10,593,923 km (0.103 R)
• M15: 11,804,319 km (0.069 R)
• M16: 14,497,829 km (0.082 R)
• M17: 15,439,847 km (0.064 R)
• M18: 16,359,724 km (0.106 R)
• M19: 16,801,187 km (0.108 R)
• M20: 17,445,804 km (0.101 R)
• M21: 22,428,461 km (0.049 R)
• M22: 25,076,343 km (0.101 R)
• M23: 28,647,843 km (0.038 R)
• M24: 29,105,463 km (0.093 R)
• M25: 34,259,857 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.1

Radius: 12.7

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 4.12 AU - 6 AU

Year: 7857 Days

Day: 7 Hours

Environment

Temp: -226 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 29,284,891 km

• M1: 157,975 km (0.076 R)
• M2: 610,958 km (0.109 R)
• M3: 1,421,778 km (0.09 R)
• M4: 1,913,955 km (0.115 R)
• M5: 2,415,856 km (0.09 R)
• M6: 3,487,276 km (0.057 R)
• M7: 4,094,195 km (0.091 R)
• M8: 4,881,079 km (0.115 R)
• M9: 6,214,744 km (0.081 R)
• M10: 7,551,102 km (0.072 R)
• M11: 8,327,515 km (0.083 R)
• M12: 9,459,073 km (0.091 R)
• M13: 10,643,141 km (0.042 R)
• M14: 13,249,435 km (0.106 R)
• M15: 14,553,928 km (0.059 R)
• M16: 15,328,097 km (0.12 R)
• M17: 17,285,436 km (0.109 R)
• M18: 17,883,528 km (0.088 R)
• M19: 20,562,826 km (0.119 R)
• M20: 21,310,217 km (0.107 R)
• M21: 21,767,388 km (0.099 R)
• M22: 22,938,590 km (0.111 R)
• M23: 25,663,066 km (0.068 R)
• M24: 29,152,735 km (0.064 R)
• M25: 30,479,070 km (0.061 R)
• M26: 31,157,197 km (0.056 R)
• M27: 31,647,579 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 130.5

Radius: 7.3

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 6 AU - 6.62 AU

Year: 10941 Days

Day: 22.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 29,284,891 km

• M1: 92,003 km (0.097 R)
• M2: 418,874 km (0.113 R)
• M3: 738,565 km (0.112 R)
• M4: 986,000 km (0.075 R)
• M5: 1,822,551 km (0.079 R)
• M6: 2,611,680 km (0.101 R)
• M7: 3,219,645 km (0.077 R)
• M8: 3,895,529 km (0.102 R)
• M9: 5,669,909 km (0.055 R)
• M10: 6,209,359 km (0.066 R)
• M11: 6,948,073 km (0.032 R)
• M12: 7,218,247 km (0.111 R)
• M13: 7,530,607 km (0.105 R)
• M14: 8,071,254 km (0.109 R)
• M15: 8,370,001 km (0.099 R)
• M16: 10,451,655 km (0.076 R)
• M17: 13,263,646 km (0.1 R)
• M18: 13,680,127 km (0.063 R)
• M19: 14,051,728 km (0.113 R)
• M20: 15,038,176 km (0.091 R)
• M21: 19,381,601 km (0.09 R)
• M22: 22,898,048 km (0.049 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 19,773 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit