🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.8

Radius: 9.4

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.75 AU - 0.99 AU

Year: 570 Days

Day: 11.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,611,081 km

• M1: 116,836 km (0.095 R)
• M2: 464,501 km (0.085 R)
• M3: 805,435 km (0.112 R)
• M4: 1,716,037 km (0.055 R)
• M5: 2,175,901 km (0.066 R)
• M6: 2,603,601 km (0.076 R)
• M7: 2,952,314 km (0.056 R)
• M8: 3,453,616 km (0.085 R)
• M9: 4,162,710 km (0.117 R)
• M10: 4,642,022 km (0.094 R)
• M11: 5,939,634 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.8

Radius: 11

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.22 AU - 1.4 AU

Year: 1054 Days

Day: 10.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,611,081 km

• M1: 136,882 km (0.096 R)
• M2: 506,389 km (0.072 R)
• M3: 923,916 km (0.078 R)
• M4: 1,560,007 km (0.064 R)
• M5: 2,043,357 km (0.082 R)
• M6: 2,546,904 km (0.056 R)
• M7: 3,030,703 km (0.11 R)
• M8: 3,646,149 km (0.091 R)
• M9: 4,060,236 km (0.088 R)
• M10: 5,001,655 km (0.093 R)
• M11: 5,745,007 km (0.113 R)
• M12: 6,164,031 km (0.116 R)
• M13: 6,819,868 km (0.068 R)
• M14: 8,548,322 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.3

Radius: 9.2

Gravity: 8.33 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.65 AU - 3.61 AU

Year: 3892 Days

Day: 7.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 62,611,081 km

• M1: 115,041 km (0.112 R)
• M2: 452,085 km (0.079 R)
• M3: 1,004,400 km (0.083 R)
• M4: 1,363,585 km (0.055 R)
• M5: 1,872,068 km (0.063 R)
• M6: 2,185,475 km (0.045 R)
• M7: 2,502,473 km (0.101 R)
• M8: 3,099,817 km (0.093 R)
• M9: 3,502,086 km (0.064 R)
• M10: 3,895,828 km (0.115 R)
• M11: 4,747,788 km (0.111 R)
• M12: 5,444,166 km (0.093 R)
• M13: 5,746,952 km (0.111 R)
• M14: 6,476,840 km (0.035 R)
• M15: 6,943,735 km (0.085 R)
• M16: 8,085,466 km (0.056 R)
• M17: 11,435,860 km (0.104 R)
• M18: 15,613,979 km (0.118 R)
• M19: 17,740,363 km (0.099 R)
• M20: 18,841,702 km (0.085 R)
• M21: 19,409,127 km (0.104 R)
• M22: 19,858,369 km (0.115 R)
• M23: 20,844,369 km (0.076 R)
• M24: 21,724,902 km (0.112 R)
• M25: 24,814,547 km (0.09 R)
• M26: 25,419,969 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.6

Radius: 9.9

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 4.61 AU - 5.19 AU

Year: 7624 Days

Day: 10.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,611,081 km

• M1: 123,269 km (0.112 R)
• M2: 450,589 km (0.087 R)
• M3: 787,184 km (0.111 R)
• M4: 1,133,054 km (0.107 R)
• M5: 1,451,548 km (0.051 R)
• M6: 2,051,436 km (0.066 R)
• M7: 2,379,354 km (0.093 R)
• M8: 2,742,428 km (0.031 R)
• M9: 3,142,453 km (0.095 R)
• M10: 4,082,675 km (0.081 R)
• M11: 4,419,271 km (0.079 R)
• M12: 5,174,441 km (0.063 R)
• M13: 6,127,828 km (0.113 R)
• M14: 6,510,350 km (0.039 R)
• M15: 8,132,739 km (0.025 R)
• M16: 10,009,145 km (0.062 R)
• M17: 11,750,015 km (0.105 R)
• M18: 12,388,200 km (0.098 R)
• M19: 18,414,002 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 155

Radius: 7.9

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 5.34 AU - 6.2 AU

Year: 9743 Days

Day: 20.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 62,611,081 km

• M1: 98,286 km (0.056 R)
• M2: 355,744 km (0.117 R)
• M3: 712,834 km (0.118 R)
• M4: 1,345,932 km (0.076 R)
• M5: 2,217,639 km (0.111 R)
• M6: 2,705,029 km (0.098 R)
• M7: 3,164,145 km (0.086 R)
• M8: 3,804,423 km (0.109 R)
• M9: 5,068,525 km (0.084 R)
• M10: 5,395,995 km (0.112 R)
• M11: 5,825,491 km (0.092 R)
• M12: 6,559,567 km (0.09 R)
• M13: 6,982,331 km (0.106 R)
• M14: 8,702,258 km (0.1 R)
• M15: 9,252,927 km (0.089 R)
• M16: 11,226,871 km (0.054 R)
• M17: 14,202,672 km (0.108 R)
• M18: 14,526,402 km (0.086 R)
• M19: 18,230,595 km (0.056 R)
• M20: 18,613,117 km (0.116 R)
• M21: 27,771,648 km (0.036 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 401.8

Radius: 3.8

Gravity: 27.83 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 7.45 AU - 8.53 AU

Year: 15876 Days

Day: 22.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 62,611,081 km

• M1: 47,273 km (0.091 R)
• M2: 227,688 km (0.106 R)
• M3: 415,583 km (0.03 R)
• M4: 589,416 km (0.063 R)
• M5: 1,051,075 km (0.112 R)
• M6: 1,244,953 km (0.054 R)
• M7: 1,704,219 km (0.085 R)
• M8: 2,508,756 km (0.061 R)
• M9: 2,722,083 km (0.053 R)
• M10: 2,970,565 km (0.094 R)
• M11: 3,565,216 km (0.093 R)
• M12: 4,790,273 km (0.048 R)
• M13: 4,919,975 km (0.037 R)
• M14: 5,675,444 km (0.033 R)
• M15: 6,309,889 km (0.08 R)
• M16: 7,115,324 km (0.116 R)
• M17: 8,448,540 km (0.111 R)
• M18: 11,423,892 km (0.055 R)
• M19: 12,614,242 km (0.084 R)
• M20: 13,302,991 km (0.067 R)
• M21: 13,495,074 km (0.095 R)
• M22: 13,689,103 km (0.109 R)
• M23: 14,148,817 km (0.075 R)
• M24: 14,960,834 km (0.096 R)
• M25: 15,946,983 km (0.093 R)
• M26: 18,441,378 km (0.099 R)
• M27: 19,573,834 km (0.116 R)
• M28: 19,739,289 km (0.103 R)
• M29: 22,065,536 km (0.065 R)
• M30: 22,788,393 km (0.11 R)
• M31: 23,433,609 km (0.082 R)
• M32: 31,242,169 km (0.113 R)
• M33: 46,822,937 km (0.103 R)
• M34: 46,970,889 km (0.068 R)
• M35: 48,617,962 km (0.076 R)
• M36: 51,553,072 km (0.095 R)
• M37: 52,983,676 km (0.045 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 414.1

Radius: 3.2

Gravity: 40.44 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 8.8 AU - 9.34 AU

Year: 19201 Days

Day: 15.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,611,081 km

• M1: 39,793 km (0.099 R)
• M2: 207,791 km (0.101 R)
• M3: 482,603 km (0.113 R)
• M4: 743,053 km (0.109 R)
• M5: 893,997 km (0.105 R)
• M6: 1,005,746 km (0.107 R)
• M7: 1,646,175 km (0.083 R)
• M8: 4,352,251 km (0.114 R)
• M9: 4,609,709 km (0.051 R)
• M10: 6,703,481 km (0.043 R)
• M11: 6,959,742 km (0.101 R)
• M12: 10,507,006 km (0.091 R)
• M13: 11,811,500 km (0.105 R)
• M14: 13,220,113 km (0.099 R)
• M15: 13,420,425 km (0.074 R)
• M16: 15,315,980 km (0.069 R)
• M17: 16,986,539 km (0.08 R)
• M18: 20,151,432 km (0.101 R)
• M19: 28,273,100 km (0.119 R)
• M20: 32,924,696 km (0.068 R)
• M21: 37,792,312 km (0.105 R)
• M22: 38,466,400 km (0.118 R)
• M23: 46,418,723 km (0.102 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 508 - 18,221 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit