🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.6

Radius: 9.6

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.44 AU - 0.68 AU

Year: 295 Days

Day: 13.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,469,438 km

• M1: 119,379 km (0.079 R)
• M2: 429,346 km (0.051 R)
• M3: 736,321 km (0.073 R)
• M4: 1,037,162 km (0.078 R)
• M5: 1,346,830 km (0.055 R)
• M6: 1,829,432 km (0.092 R)
• M7: 2,160,193 km (0.094 R)
• M8: 2,573,083 km (0.086 R)
• M9: 3,076,181 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143

Radius: 10.8

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.67 AU - 1.11 AU

Year: 590 Days

Day: 10.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 80,469,438 km

• M1: 134,488 km (0.074 R)
• M2: 548,725 km (0.073 R)
• M3: 932,294 km (0.053 R)
• M4: 1,512,135 km (0.118 R)
• M5: 2,193,254 km (0.118 R)
• M6: 2,548,101 km (0.109 R)
• M7: 3,188,828 km (0.117 R)
• M8: 3,547,863 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.4

Radius: 8.6

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.21 AU - 1.53 AU

Year: 1127 Days

Day: 14.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 80,469,438 km

• M1: 106,962 km (0.096 R)
• M2: 469,139 km (0.101 R)
• M3: 780,153 km (0.116 R)
• M4: 1,072,617 km (0.105 R)
• M5: 1,585,289 km (0.104 R)
• M6: 1,995,636 km (0.071 R)
• M7: 2,475,546 km (0.083 R)
• M8: 2,811,692 km (0.089 R)
• M9: 3,345,008 km (0.049 R)
• M10: 4,846,073 km (0.106 R)
• M11: 5,613,062 km (0.107 R)
• M12: 6,068,288 km (0.098 R)
• M13: 8,534,559 km (0.113 R)
• M14: 8,969,888 km (0.086 R)
• M15: 9,306,035 km (0.07 R)
• M16: 9,621,537 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.1

Radius: 10.1

Gravity: 7.75 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.49 AU - 2.45 AU

Year: 1944 Days

Day: 8.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 80,469,438 km

• M1: 125,961 km (0.085 R)
• M2: 517,309 km (0.064 R)
• M3: 1,787,246 km (0.091 R)
• M4: 2,205,671 km (0.072 R)
• M5: 2,562,013 km (0.11 R)
• M6: 2,926,134 km (0.079 R)
• M7: 4,000,845 km (0.107 R)
• M8: 4,659,824 km (0.079 R)
• M9: 5,048,928 km (0.117 R)
• M10: 5,917,194 km (0.093 R)
• M11: 6,964,678 km (0.083 R)
• M12: 7,828,307 km (0.1 R)
• M13: 8,223,993 km (0.04 R)
• M14: 8,924,111 km (0.079 R)
• M15: 9,977,580 km (0.11 R)
• M16: 11,302,568 km (0.117 R)
• M17: 11,729,969 km (0.051 R)
• M18: 12,493,517 km (0.089 R)
• M19: 12,908,501 km (0.046 R)
• M20: 14,030,635 km (0.076 R)
• M21: 14,388,772 km (0.118 R)
• M22: 15,263,620 km (0.078 R)
• M23: 16,369,747 km (0.059 R)
• M24: 16,816,745 km (0.036 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 906.4

Radius: 7.6

Gravity: 15.69 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 5.07 AU - 6.73 AU

Year: 10074 Days

Day: 19.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 80,469,438 km

• M1: 94,845 km (0.032 R)
• M2: 1,776,026 km (0.093 R)
• M3: 2,079,111 km (0.116 R)
• M4: 2,968,171 km (0.102 R)
• M5: 3,498,197 km (0.11 R)
• M6: 4,061,433 km (0.059 R)
• M7: 4,379,926 km (0.107 R)
• M8: 5,066,880 km (0.107 R)
• M9: 5,333,762 km (0.105 R)
• M10: 9,665,818 km (0.04 R)
• M11: 11,382,752 km (0.098 R)
• M12: 13,546,686 km (0.053 R)
• M13: 14,928,222 km (0.106 R)
• M14: 16,113,336 km (0.101 R)
• M15: 22,452,995 km (0.05 R)
• M16: 24,381,611 km (0.095 R)
• M17: 24,856,584 km (0.106 R)
• M18: 27,528,701 km (0.061 R)
• M19: 28,251,558 km (0.097 R)
• M20: 35,094,912 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 124.7

Radius: 6.4

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 6.41 AU - 9.03 AU

Year: 15078 Days

Day: 23.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,469,438 km

• M1: 88,562 km (0.107 R)
• M2: 352,004 km (0.06 R)
• M3: 930,948 km (0.074 R)
• M4: 1,798,466 km (0.084 R)
• M5: 2,050,688 km (0.067 R)
• M6: 2,626,939 km (0.094 R)
• M7: 4,615,394 km (0.103 R)
• M8: 10,279,618 km (0.08 R)
• M9: 11,585,457 km (0.099 R)
• M10: 15,601,861 km (0.077 R)
• M11: 16,098,526 km (0.032 R)
• M12: 20,019,785 km (0.118 R)
• M13: 22,122,234 km (0.058 R)
• M14: 24,284,970 km (0.11 R)
• M15: 25,120,624 km (0.099 R)
• M16: 27,472,153 km (0.106 R)
• M17: 30,348,471 km (0.058 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 794.8

Radius: 4.8

Gravity: 34.5 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 8.03 AU - 10.73 AU

Year: 20194 Days

Day: 17.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 55.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 80,469,438 km

• M1: 59,690 km (0.102 R)
• M2: 325,675 km (0.118 R)
• M3: 483,351 km (0.107 R)
• M4: 674,387 km (0.052 R)
• M5: 1,130,062 km (0.09 R)
• M6: 2,871,232 km (0.12 R)
• M7: 3,164,743 km (0.094 R)
• M8: 3,566,712 km (0.081 R)
• M9: 3,811,305 km (0.084 R)
• M10: 9,462,065 km (0.067 R)
• M11: 9,871,664 km (0.049 R)
• M12: 13,584,384 km (0.076 R)
• M13: 15,426,233 km (0.117 R)
• M14: 15,586,901 km (0.114 R)
• M15: 16,742,694 km (0.089 R)
• M16: 17,083,179 km (0.073 R)
• M17: 17,866,025 km (0.095 R)
• M18: 20,070,350 km (0.115 R)
• M19: 20,261,835 km (0.109 R)
• M20: 26,589,974 km (0.032 R)
• M21: 28,596,680 km (0.11 R)
• M22: 31,857,465 km (0.077 R)
• M23: 34,941,275 km (0.118 R)
• M24: 35,218,480 km (0.054 R)
• M25: 36,058,921 km (0.113 R)
• M26: 44,883,400 km (0.102 R)
• M27: 47,718,878 km (0.088 R)
• M28: 51,026,637 km (0.11 R)
• M29: 52,282,810 km (0.081 R)
• M30: 53,927,938 km (0.086 R)
• M31: 58,873,943 km (0.084 R)
• M32: 65,997,793 km (0.064 R)
• M33: 66,633,884 km (0.081 R)
• M34: 72,318,453 km (0.074 R)
• M35: 73,447,468 km (0.102 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: 424 - 12,178 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit