🌌 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: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.5

Radius: 14.1

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.46 AU - 0.6 AU

Year: 266 Days

Day: 8.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,229,058 km

• M1: 175,777 km (0.07 R)
• M2: 685,757 km (0.053 R)
• M3: 1,247,646 km (0.076 R)
• M4: 1,707,809 km (0.071 R)
• M5: 2,373,819 km (0.075 R)
• M6: 2,988,517 km (0.064 R)
• M7: 3,463,340 km (0.032 R)
• M8: 3,917,220 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.8

Radius: 13.8

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.48 AU - 0.76 AU

Year: 337 Days

Day: 7.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 67,229,058 km

• M1: 171,589 km (0.079 R)
• M2: 609,462 km (0.116 R)
• M3: 1,100,592 km (0.118 R)
• M4: 1,773,782 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.2

Radius: 12.7

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.6 AU - 0.82 AU

Year: 413 Days

Day: 12.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,229,058 km

• M1: 158,873 km (0.079 R)
• M2: 557,102 km (0.065 R)
• M3: 1,440,328 km (0.088 R)
• M4: 1,902,287 km (0.045 R)
• M5: 2,707,871 km (0.117 R)
• M6: 3,224,433 km (0.092 R)
• M7: 4,558,546 km (0.099 R)
• M8: 5,965,963 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.9

Radius: 10.8

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.59 AU - 0.87 AU

Year: 431 Days

Day: 10.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,229,058 km

• M1: 136,284 km (0.108 R)
• M2: 478,264 km (0.115 R)
• M3: 815,458 km (0.118 R)
• M4: 1,763,908 km (0.073 R)
• M5: 2,258,180 km (0.112 R)
• M6: 2,718,642 km (0.087 R)
• M7: 3,287,862 km (0.095 R)
• M8: 3,869,349 km (0.066 R)
• M9: 5,617,400 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127

Radius: 9.7

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.97 AU - 1.15 AU

Year: 753 Days

Day: 13.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,229,058 km

• M1: 120,725 km (0.077 R)
• M2: 804,687 km (0.071 R)
• M3: 1,147,565 km (0.076 R)
• M4: 1,602,492 km (0.026 R)
• M5: 2,638,009 km (0.086 R)
• M6: 4,459,961 km (0.088 R)
• M7: 4,804,186 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.9

Radius: 10.9

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.93 AU - 2.41 AU

Year: 2206 Days

Day: 6.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,229,058 km

• M1: 147,204 km (0.06 R)
• M2: 490,831 km (0.116 R)
• M3: 858,243 km (0.03 R)
• M4: 1,829,881 km (0.116 R)
• M5: 2,527,157 km (0.106 R)
• M6: 3,071,394 km (0.092 R)
• M7: 8,777,954 km (0.076 R)
• M8: 9,462,215 km (0.097 R)
• M9: 9,968,155 km (0.096 R)
• M10: 10,617,858 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.3

Radius: 13

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.11 AU - 3.05 AU

Year: 2860 Days

Day: 9.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 67,229,058 km

• M1: 161,865 km (0.084 R)
• M2: 1,274,574 km (0.079 R)
• M3: 1,928,915 km (0.105 R)
• M4: 2,427,225 km (0.115 R)
• M5: 4,212,078 km (0.12 R)
• M6: 5,592,716 km (0.078 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.8

Radius: 8.1

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.77 AU - 3.41 AU

Year: 3749 Days

Day: 12.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,229,058 km

• M1: 100,679 km (0.12 R)
• M2: 607,816 km (0.054 R)
• M3: 871,856 km (0.112 R)
• M4: 1,452,745 km (0.076 R)
• M5: 2,025,705 km (0.116 R)
• M6: 3,596,931 km (0.107 R)
• M7: 4,707,695 km (0.08 R)
• M8: 5,426,513 km (0.098 R)
• M9: 5,748,897 km (0.061 R)
• M10: 6,136,804 km (0.07 R)
• M11: 6,625,390 km (0.064 R)
• M12: 7,587,903 km (0.076 R)
• M13: 8,086,962 km (0.118 R)
• M14: 9,219,866 km (0.095 R)
• M15: 12,681,561 km (0.079 R)
• M16: 14,915,805 km (0.082 R)
• M17: 15,698,801 km (0.092 R)
• M18: 18,322,598 km (0.063 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 116.5

Radius: 6.1

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 5.9 AU - 7.06 AU

Year: 11386 Days

Day: 16.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,229,058 km

• M1: 75,846 km (0.108 R)
• M2: 577,597 km (0.046 R)
• M3: 879,336 km (0.043 R)
• M4: 1,152,053 km (0.087 R)
• M5: 1,446,013 km (0.053 R)
• M6: 2,293,036 km (0.081 R)
• M7: 4,776,959 km (0.092 R)
• M8: 6,471,604 km (0.116 R)
• M9: 7,470,918 km (0.101 R)
• M10: 7,970,874 km (0.118 R)
• M11: 9,646,519 km (0.038 R)
• M12: 10,632,818 km (0.056 R)
• M13: 12,066,415 km (0.113 R)
• M14: 13,158,778 km (0.097 R)
• M15: 14,918,797 km (0.069 R)
• M16: 16,000,240 km (0.092 R)
• M17: 19,226,019 km (0.1 R)
• M18: 19,892,328 km (0.12 R)
• M19: 22,056,261 km (0.109 R)
• M20: 23,532,493 km (0.07 R)
• M21: 23,988,019 km (0.098 R)
• M22: 24,449,378 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 810.7

Radius: 3.4

Gravity: 70.13 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 7.65 AU - 8.11 AU

Year: 15269 Days

Day: 20.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 67,229,058 km

• M1: 42,935 km (0.102 R)
• M2: 255,663 km (0.04 R)
• M3: 629,657 km (0.088 R)
• M4: 1,006,345 km (0.091 R)
• M5: 1,209,648 km (0.104 R)
• M6: 2,122,345 km (0.088 R)
• M7: 2,777,284 km (0.09 R)
• M8: 3,255,998 km (0.081 R)
• M9: 5,309,976 km (0.113 R)
• M10: 5,421,427 km (0.118 R)
• M11: 6,497,036 km (0.104 R)
• M12: 6,885,092 km (0.11 R)
• M13: 7,519,088 km (0.106 R)
• M14: 7,659,860 km (0.037 R)
• M15: 13,911,256 km (0.098 R)
• M16: 14,266,251 km (0.07 R)
• M17: 16,288,366 km (0.12 R)
• M18: 17,987,199 km (0.105 R)
• M19: 25,224,295 km (0.066 R)
• M20: 25,751,777 km (0.098 R)
• M21: 33,420,164 km (0.066 R)
• M22: 37,495,061 km (0.112 R)
• M23: 40,006,510 km (0.119 R)
• M24: 50,339,235 km (0.064 R)
• M25: 51,680,380 km (0.105 R)
• M26: 55,137,138 km (0.108 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: 405 - 14,446 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit