🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.3

Radius: 11.7

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.58 AU - 0.62 AU

Year: 327 Days

Day: 10.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,346,899 km

• M1: 145,559 km (0.09 R)
• M2: 515,813 km (0.109 R)
• M3: 980,614 km (0.099 R)
• M4: 1,600,248 km (0.096 R)
• M5: 2,219,883 km (0.097 R)
• M6: 2,718,044 km (0.068 R)
• M7: 3,279,185 km (0.085 R)
• M8: 3,711,074 km (0.117 R)
• M9: 4,511,573 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347

Radius: 9.4

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.61 AU - 0.65 AU

Year: 351 Days

Day: 14.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,346,899 km

• M1: 116,836 km (0.115 R)
• M2: 414,087 km (0.042 R)
• M3: 723,455 km (0.093 R)
• M4: 1,066,184 km (0.079 R)
• M5: 1,566,738 km (0.038 R)
• M6: 1,970,952 km (0.111 R)
• M7: 2,785,363 km (0.093 R)
• M8: 3,372,684 km (0.071 R)
• M9: 3,707,484 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.7

Radius: 10.2

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.03 AU - 2.81 AU

Year: 2646 Days

Day: 8.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 65.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 83,346,899 km

• M1: 126,859 km (0.071 R)
• M2: 601,383 km (0.085 R)
• M3: 971,040 km (0.066 R)
• M4: 1,342,042 km (0.059 R)
• M5: 2,189,365 km (0.097 R)
• M6: 2,519,527 km (0.108 R)
• M7: 2,983,281 km (0.085 R)
• M8: 3,552,052 km (0.089 R)
• M9: 4,029,269 km (0.062 R)
• M10: 4,377,234 km (0.093 R)
• M11: 4,725,348 km (0.067 R)
• M12: 5,260,908 km (0.092 R)
• M13: 5,790,934 km (0.045 R)
• M14: 6,453,802 km (0.067 R)
• M15: 7,061,618 km (0.082 R)
• M16: 7,460,595 km (0.116 R)
• M17: 8,421,014 km (0.095 R)
• M18: 10,933,061 km (0.113 R)
• M19: 13,377,790 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.2

Radius: 8.6

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.66 AU - 3.6 AU

Year: 3892 Days

Day: 12.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 83,346,899 km

• M1: 106,962 km (0.12 R)
• M2: 405,261 km (0.11 R)
• M3: 837,299 km (0.098 R)
• M4: 1,453,044 km (0.096 R)
• M5: 1,805,198 km (0.041 R)
• M6: 2,402,991 km (0.091 R)
• M7: 2,933,465 km (0.112 R)
• M8: 4,927,006 km (0.116 R)
• M9: 5,202,116 km (0.119 R)
• M10: 5,647,619 km (0.025 R)
• M11: 6,495,689 km (0.066 R)
• M12: 6,919,500 km (0.107 R)
• M13: 7,393,875 km (0.093 R)
• M14: 8,232,670 km (0.089 R)
• M15: 9,821,549 km (0.043 R)
• M16: 11,870,142 km (0.116 R)
• M17: 12,229,776 km (0.087 R)
• M18: 14,339,255 km (0.047 R)
• M19: 14,798,969 km (0.088 R)
• M20: 15,110,731 km (0.067 R)
• M21: 15,480,088 km (0.107 R)
• M22: 16,624,512 km (0.092 R)
• M23: 18,236,728 km (0.074 R)
• M24: 20,459,454 km (0.09 R)
• M25: 21,173,035 km (0.101 R)
• M26: 22,512,984 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 120.6

Radius: 3.6

Gravity: 9.31 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 5.84 AU - 6.96 AU

Year: 11381 Days

Day: 16.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 83,346,899 km

• M1: 45,478 km (0.098 R)
• M2: 223,948 km (0.105 R)
• M3: 419,472 km (0.078 R)
• M4: 1,674,748 km (0.05 R)
• M5: 1,846,786 km (0.092 R)
• M6: 2,451,610 km (0.062 R)
• M7: 2,872,279 km (0.097 R)
• M8: 3,878,026 km (0.108 R)
• M9: 4,179,914 km (0.084 R)
• M10: 9,077,449 km (0.032 R)
• M11: 10,465,867 km (0.078 R)
• M12: 11,702,293 km (0.096 R)
• M13: 12,628,603 km (0.05 R)
• M14: 12,880,377 km (0.096 R)
• M15: 13,032,966 km (0.109 R)
• M16: 17,812,170 km (0.055 R)
• M17: 18,707,812 km (0.109 R)
• M18: 21,861,784 km (0.1 R)
• M19: 25,592,157 km (0.113 R)
• M20: 26,813,773 km (0.103 R)
• M21: 27,396,756 km (0.093 R)
• M22: 29,022,137 km (0.052 R)
• M23: 29,196,867 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 957.7

Radius: 7.7

Gravity: 16.15 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 8.37 AU - 9.89 AU

Year: 19392 Days

Day: 18.7 Hours

Environment

Temp: -242 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 83,346,899 km

• M1: 97,388 km (0.086 R)
• M2: 411,843 km (0.108 R)
• M3: 1,203,964 km (0.063 R)
• M4: 2,411,667 km (0.078 R)
• M5: 3,114,777 km (0.038 R)
• M6: 4,958,571 km (0.108 R)
• M7: 6,668,774 km (0.087 R)
• M8: 7,091,089 km (0.106 R)
• M9: 8,358,631 km (0.108 R)
• M10: 10,753,843 km (0.055 R)
• M11: 11,801,477 km (0.117 R)
• M12: 12,419,914 km (0.082 R)
• M13: 14,327,886 km (0.057 R)
• M14: 15,922,599 km (0.049 R)
• M15: 16,339,079 km (0.082 R)
• M16: 16,762,741 km (0.083 R)
• M17: 20,616,531 km (0.118 R)
• M18: 21,817,353 km (0.095 R)
• M19: 22,748,151 km (0.116 R)
• M20: 24,578,182 km (0.05 R)
• M21: 26,620,642 km (0.056 R)
• M22: 30,398,736 km (0.084 R)
• M23: 30,910,810 km (0.112 R)
• M24: 31,689,915 km (0.119 R)
• M25: 33,558,393 km (0.068 R)
• M26: 39,754,886 km (0.027 R)
• M27: 40,675,960 km (0.069 R)
• M28: 45,662,656 km (0.084 R)
• M29: 47,525,897 km (0.12 R)
• M30: 47,869,972 km (0.043 R)
• M31: 50,682,861 km (0.106 R)
• M32: 64,080,547 km (0.104 R)
• M33: 76,783,949 km (0.097 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 151 - 11,165 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit