🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.3

Radius: 13.3

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.45 AU - 0.59 AU

Year: 259 Days

Day: 14.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,729,868 km

• M1: 165,455 km (0.034 R)
• M2: 588,368 km (0.092 R)
• M3: 1,137,243 km (0.073 R)
• M4: 1,599,201 km (0.085 R)
• M5: 2,043,058 km (0.12 R)
• M6: 2,457,743 km (0.057 R)
• M7: 3,017,239 km (0.118 R)
• M8: 3,472,615 km (0.105 R)
• M9: 3,903,008 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.4

Radius: 12.4

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.86 AU - 1.36 AU

Year: 807 Days

Day: 6.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 62.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 75,729,868 km

• M1: 155,881 km (0.096 R)
• M2: 600,187 km (0.119 R)
• M3: 1,434,494 km (0.089 R)
• M4: 2,496,938 km (0.116 R)
• M5: 3,192,718 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.4

Radius: 12.3

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.25 AU - 1.31 AU

Year: 1000 Days

Day: 7.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 75,729,868 km

• M1: 153,039 km (0.088 R)
• M2: 635,492 km (0.111 R)
• M3: 1,038,209 km (0.037 R)
• M4: 1,475,484 km (0.107 R)
• M5: 1,935,946 km (0.11 R)
• M6: 2,516,535 km (0.107 R)
• M7: 2,908,332 km (0.046 R)
• M8: 3,459,750 km (0.091 R)
• M9: 4,114,091 km (0.108 R)
• M10: 4,498,258 km (0.033 R)
• M11: 5,219,021 km (0.107 R)
• M12: 5,798,264 km (0.084 R)
• M13: 6,699,890 km (0.114 R)
• M14: 8,306,721 km (0.107 R)
• M15: 8,838,392 km (0.102 R)
• M16: 9,392,652 km (0.075 R)
• M17: 9,938,983 km (0.092 R)
• M18: 10,667,824 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.9

Radius: 10.1

Gravity: 9.55 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.7 AU - 2.8 AU

Year: 3148 Days

Day: 7 Hours

Environment

Temp: -217 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 75,729,868 km

• M1: 126,261 km (0.093 R)
• M2: 652,995 km (0.079 R)
• M3: 977,472 km (0.111 R)
• M4: 1,519,765 km (0.075 R)
• M5: 2,112,472 km (0.101 R)
• M6: 2,604,649 km (0.109 R)
• M7: 3,009,460 km (0.027 R)
• M8: 3,695,965 km (0.079 R)
• M9: 4,299,443 km (0.106 R)
• M10: 4,649,053 km (0.098 R)
• M11: 5,620,841 km (0.057 R)
• M12: 7,227,522 km (0.083 R)
• M13: 7,723,588 km (0.119 R)
• M14: 8,784,088 km (0.111 R)
• M15: 9,465,356 km (0.118 R)
• M16: 11,766,471 km (0.039 R)
• M17: 12,831,159 km (0.092 R)
• M18: 15,311,641 km (0.114 R)
• M19: 16,242,290 km (0.096 R)
• M20: 17,210,188 km (0.046 R)
• M21: 18,035,818 km (0.1 R)
• M22: 18,641,540 km (0.08 R)
• M23: 21,401,771 km (0.093 R)
• M24: 23,913,369 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.3

Radius: 10.3

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.86 AU - 3.04 AU

Year: 3497 Days

Day: 11.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,729,868 km

• M1: 131,646 km (0.098 R)
• M2: 1,253,630 km (0.112 R)
• M3: 2,695,903 km (0.112 R)
• M4: 3,216,504 km (0.091 R)
• M5: 4,629,755 km (0.087 R)
• M6: 8,113,291 km (0.045 R)
• M7: 10,160,687 km (0.099 R)
• M8: 11,422,994 km (0.056 R)
• M9: 13,890,312 km (0.041 R)
• M10: 15,200,191 km (0.117 R)
• M11: 16,386,951 km (0.081 R)
• M12: 17,528,083 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.8

Radius: 14.3

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 4.25 AU - 4.95 AU

Year: 6810 Days

Day: 7.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 75,729,868 km

• M1: 179,218 km (0.109 R)
• M2: 675,434 km (0.051 R)
• M3: 1,175,241 km (0.111 R)
• M4: 1,746,854 km (0.11 R)
• M5: 2,310,988 km (0.03 R)
• M6: 3,149,035 km (0.047 R)
• M7: 3,770,465 km (0.114 R)
• M8: 4,473,126 km (0.119 R)
• M9: 5,178,929 km (0.108 R)
• M10: 6,552,387 km (0.109 R)
• M11: 7,324,611 km (0.111 R)
• M12: 8,499,253 km (0.099 R)
• M13: 10,943,832 km (0.11 R)
• M14: 12,179,511 km (0.081 R)
• M15: 12,678,719 km (0.119 R)
• M16: 13,243,750 km (0.081 R)
• M17: 14,870,776 km (0.103 R)
• M18: 15,791,252 km (0.042 R)
• M19: 23,027,151 km (0.09 R)
• M20: 23,869,537 km (0.119 R)
• M21: 24,573,993 km (0.099 R)
• M22: 26,603,737 km (0.106 R)
• M23: 28,219,394 km (0.037 R)
• M24: 30,171,048 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 59.5

Radius: 4.6

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 6.73 AU - 8.79 AU

Year: 14921 Days

Day: 22.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 75,729,868 km

• M1: 57,595 km (0.052 R)
• M2: 359,783 km (0.113 R)
• M3: 521,349 km (0.099 R)
• M4: 711,188 km (0.058 R)
• M5: 1,787,994 km (0.104 R)
• M6: 2,462,082 km (0.079 R)
• M7: 2,732,106 km (0.075 R)
• M8: 3,252,258 km (0.074 R)
• M9: 3,683,548 km (0.108 R)
• M10: 5,371,012 km (0.053 R)
• M11: 5,854,662 km (0.072 R)
• M12: 6,875,668 km (0.108 R)
• M13: 7,479,894 km (0.106 R)
• M14: 8,489,081 km (0.108 R)
• M15: 9,999,570 km (0.078 R)
• M16: 10,210,803 km (0.108 R)
• M17: 10,555,027 km (0.033 R)
• M18: 10,906,882 km (0.082 R)
• M19: 13,234,774 km (0.086 R)
• M20: 14,379,946 km (0.11 R)
• M21: 15,646,292 km (0.046 R)
• M22: 20,088,600 km (0.115 R)
• M23: 23,253,343 km (0.084 R)
• M24: 24,915,077 km (0.091 R)
• M25: 26,816,166 km (0.074 R)
• M26: 27,718,989 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 661.3

Radius: 3.3

Gravity: 60.73 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 7.81 AU - 11.19 AU

Year: 20211 Days

Day: 24 Hours

Environment

Temp: -241 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 75,729,868 km

• M1: 41,289 km (0.086 R)
• M2: 199,713 km (0.074 R)
• M3: 356,941 km (0.119 R)
• M4: 664,963 km (0.102 R)
• M5: 793,318 km (0.043 R)
• M6: 974,032 km (0.083 R)
• M7: 1,984,117 km (0.083 R)
• M8: 2,339,860 km (0.101 R)
• M9: 4,064,425 km (0.065 R)
• M10: 5,608,723 km (0.052 R)
• M11: 6,016,976 km (0.096 R)
• M12: 8,622,672 km (0.119 R)
• M13: 10,622,197 km (0.06 R)
• M14: 11,056,180 km (0.108 R)
• M15: 11,696,459 km (0.116 R)
• M16: 12,226,185 km (0.069 R)
• M17: 13,050,469 km (0.109 R)
• M18: 13,984,409 km (0.085 R)
• M19: 15,824,313 km (0.106 R)
• M20: 15,984,532 km (0.1 R)
• M21: 16,471,773 km (0.119 R)
• M22: 18,167,165 km (0.103 R)
• M23: 19,512,649 km (0.088 R)
• M24: 20,540,536 km (0.105 R)
• M25: 23,112,572 km (0.063 R)
• M26: 24,582,521 km (0.116 R)
• M27: 28,174,216 km (0.072 R)
• M28: 29,243,990 km (0.076 R)
• M29: 30,711,994 km (0.068 R)
• M30: 32,356,972 km (0.087 R)
• M31: 37,358,627 km (0.097 R)
• M32: 38,215,374 km (0.059 R)
• M33: 45,384,553 km (0.086 R)
• M34: 46,523,442 km (0.116 R)
• M35: 48,015,681 km (0.064 R)
• M36: 49,198,102 km (0.079 R)
• M37: 49,882,363 km (0.071 R)
• M38: 55,586,829 km (0.11 R)
• M39: 61,909,134 km (0.106 R)
• M40: 64,118,545 km (0.093 R)
• M41: 68,906,724 km (0.089 R)
• M42: 69,120,200 km (0.086 R)
• M43: 72,374,702 km (0.114 R)
• M44: 73,481,876 km (0.09 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 385 - 12,535 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit