🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

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: 514.2

Radius: 12.7

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.86 AU - 1 AU

Year: 608 Days

Day: 6.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,769,440 km

• M1: 157,975 km (0.025 R)
• M2: 614,698 km (0.103 R)
• M3: 1,093,860 km (0.095 R)
• M4: 1,718,580 km (0.102 R)
• M5: 2,199,687 km (0.12 R)
• M6: 2,933,913 km (0.12 R)
• M7: 3,988,728 km (0.119 R)
• M8: 5,132,703 km (0.034 R)
• M9: 5,943,224 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.5

Radius: 11.9

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.22 AU - 1.36 AU

Year: 994 Days

Day: 6.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 63,769,440 km

• M1: 148,102 km (0.106 R)
• M2: 615,745 km (0.058 R)
• M3: 1,041,052 km (0.087 R)
• M4: 2,145,682 km (0.115 R)
• M5: 3,495,354 km (0.119 R)
• M6: 4,078,487 km (0.066 R)
• M7: 4,768,283 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71

Radius: 14.5

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.55 AU - 1.73 AU

Year: 1424 Days

Day: 13.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 63,769,440 km

• M1: 181,013 km (0.046 R)
• M2: 1,077,853 km (0.102 R)
• M3: 2,277,927 km (0.075 R)
• M4: 4,092,100 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.1

Radius: 10.6

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.61 AU - 1.89 AU

Year: 1570 Days

Day: 5.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,769,440 km

• M1: 132,544 km (0.112 R)
• M2: 506,090 km (0.074 R)
• M3: 1,050,925 km (0.117 R)
• M4: 1,815,669 km (0.088 R)
• M5: 2,465,971 km (0.111 R)
• M6: 2,845,950 km (0.086 R)
• M7: 3,539,486 km (0.066 R)
• M8: 4,209,834 km (0.079 R)
• M9: 5,573,269 km (0.083 R)
• M10: 7,265,221 km (0.094 R)
• M11: 8,111,346 km (0.049 R)
• M12: 8,927,851 km (0.103 R)
• M13: 10,409,319 km (0.111 R)
• M14: 12,949,640 km (0.1 R)
• M15: 13,853,062 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.1

Radius: 12.1

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.81 AU - 2.61 AU

Year: 2228 Days

Day: 12.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,769,440 km

• M1: 150,495 km (0.109 R)
• M2: 694,733 km (0.043 R)
• M3: 1,076,656 km (0.033 R)
• M4: 1,624,483 km (0.106 R)
• M5: 2,243,070 km (0.086 R)
• M6: 3,587,656 km (0.101 R)
• M7: 4,251,871 km (0.069 R)
• M8: 5,060,597 km (0.106 R)
• M9: 5,616,353 km (0.109 R)
• M10: 6,163,283 km (0.033 R)
• M11: 6,667,727 km (0.083 R)
• M12: 7,702,046 km (0.105 R)
• M13: 8,469,483 km (0.112 R)
• M14: 9,062,041 km (0.068 R)
• M15: 10,087,983 km (0.117 R)
• M16: 10,754,292 km (0.086 R)
• M17: 11,449,473 km (0.059 R)
• M18: 13,548,331 km (0.075 R)
• M19: 14,316,217 km (0.111 R)
• M20: 14,799,568 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.2

Radius: 14.8

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.11 AU - 3.39 AU

Year: 3093 Days

Day: 5.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,769,440 km

• M1: 188,194 km (0.097 R)
• M2: 721,062 km (0.033 R)
• M3: 1,224,309 km (0.117 R)
• M4: 1,790,986 km (0.118 R)
• M5: 2,358,261 km (0.032 R)
• M6: 2,845,352 km (0.111 R)
• M7: 3,309,105 km (0.096 R)
• M8: 3,803,675 km (0.065 R)
• M9: 4,391,745 km (0.075 R)
• M10: 5,312,520 km (0.046 R)
• M11: 6,387,081 km (0.071 R)
• M12: 7,068,051 km (0.095 R)
• M13: 8,197,066 km (0.109 R)
• M14: 9,075,056 km (0.042 R)
• M15: 11,227,171 km (0.099 R)
• M16: 12,088,406 km (0.104 R)
• M17: 13,086,223 km (0.119 R)
• M18: 13,991,590 km (0.098 R)
• M19: 14,989,407 km (0.094 R)
• M20: 17,520,753 km (0.098 R)
• M21: 18,798,768 km (0.114 R)
• M22: 19,399,852 km (0.113 R)
• M23: 22,532,730 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.9

Radius: 13.8

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 3.29 AU - 4.49 AU

Year: 5204 Days

Day: 7.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,769,440 km

• M1: 171,738 km (0.061 R)
• M2: 727,046 km (0.104 R)
• M3: 1,251,685 km (0.052 R)
• M4: 1,810,583 km (0.091 R)
• M5: 3,608,001 km (0.051 R)
• M6: 5,689,207 km (0.053 R)
• M7: 6,151,165 km (0.081 R)
• M8: 10,805,903 km (0.105 R)
• M9: 11,700,349 km (0.049 R)
• M10: 14,205,066 km (0.067 R)
• M11: 14,842,951 km (0.084 R)
• M12: 16,930,440 km (0.089 R)
• M13: 23,176,600 km (0.086 R)
• M14: 24,436,513 km (0.091 R)
• M15: 26,213,287 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 983.8

Radius: 3

Gravity: 109.31 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 6.5 AU - 7.68 AU

Year: 12804 Days

Day: 22.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 63,769,440 km

• M1: 37,399 km (0.115 R)
• M2: 150,196 km (0.045 R)
• M3: 293,511 km (0.078 R)
• M4: 547,229 km (0.089 R)
• M5: 822,938 km (0.111 R)
• M6: 963,111 km (0.06 R)
• M7: 1,131,857 km (0.117 R)
• M8: 1,421,479 km (0.071 R)
• M9: 1,591,721 km (0.098 R)
• M10: 2,327,593 km (0.068 R)
• M11: 2,631,726 km (0.109 R)
• M12: 3,479,497 km (0.038 R)
• M13: 3,645,999 km (0.055 R)
• M14: 4,085,667 km (0.036 R)
• M15: 4,429,743 km (0.117 R)
• M16: 5,466,306 km (0.115 R)
• M17: 6,240,774 km (0.106 R)
• M18: 7,398,512 km (0.096 R)
• M19: 8,099,827 km (0.089 R)
• M20: 9,418,532 km (0.085 R)
• M21: 11,289,703 km (0.085 R)
• M22: 16,822,729 km (0.119 R)
• M23: 17,378,635 km (0.107 R)
• M24: 17,701,766 km (0.1 R)
• M25: 18,695,246 km (0.061 R)
• M26: 19,034,384 km (0.093 R)
• M27: 20,611,894 km (0.118 R)
• M28: 43,026,292 km (0.078 R)
• M29: 47,120,337 km (0.068 R)
• M30: 47,433,446 km (0.11 R)
• M31: 47,905,876 km (0.102 R)
• M32: 49,826,712 km (0.091 R)
• M33: 50,642,021 km (0.064 R)
• M34: 51,965,064 km (0.029 R)
• M35: 61,502,527 km (0.09 R)
• M36: 63,578,497 km (0.083 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 545 - 13,854 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit