🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.8

Radius: 10.8

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.61 AU - 0.77 AU

Year: 370 Days

Day: 5.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,105,974 km

• M1: 134,339 km (0.114 R)
• M2: 488,437 km (0.114 R)
• M3: 847,921 km (0.111 R)
• M4: 1,284,148 km (0.091 R)
• M5: 1,733,989 km (0.036 R)
• M6: 2,147,178 km (0.108 R)
• M7: 2,497,536 km (0.076 R)
• M8: 2,906,537 km (0.098 R)
• M9: 3,598,427 km (0.067 R)
• M10: 3,946,691 km (0.087 R)
• M11: 4,396,981 km (0.07 R)
• M12: 4,795,958 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.7

Radius: 8.7

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.18 AU - 2.32 AU

Year: 2179 Days

Day: 10.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,105,974 km

• M1: 108,159 km (0.101 R)
• M2: 436,377 km (0.064 R)
• M3: 749,186 km (0.056 R)
• M4: 1,091,017 km (0.117 R)
• M5: 1,395,748 km (0.08 R)
• M6: 1,811,929 km (0.074 R)
• M7: 2,223,922 km (0.101 R)
• M8: 3,075,882 km (0.062 R)
• M9: 4,462,355 km (0.108 R)
• M10: 5,351,265 km (0.115 R)
• M11: 5,889,219 km (0.106 R)
• M12: 9,358,394 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.4

Radius: 12.4

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 4.14 AU - 5.66 AU

Year: 7003 Days

Day: 7.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,105,974 km

• M1: 154,235 km (0.059 R)
• M2: 826,079 km (0.043 R)
• M3: 1,491,640 km (0.11 R)
• M4: 2,539,274 km (0.116 R)
• M5: 3,016,043 km (0.117 R)
• M6: 4,344,921 km (0.072 R)
• M7: 6,947,924 km (0.032 R)
• M8: 10,373,864 km (0.074 R)
• M9: 18,878,653 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.4

Radius: 10.4

Gravity: 7.31 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 4.66 AU - 6.3 AU

Year: 8283 Days

Day: 11.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 56,105,974 km

• M1: 129,552 km (0.109 R)
• M2: 462,257 km (0.043 R)
• M3: 1,009,337 km (0.045 R)
• M4: 1,564,495 km (0.11 R)
• M5: 1,913,506 km (0.099 R)
• M6: 2,517,283 km (0.075 R)
• M7: 3,289,358 km (0.046 R)
• M8: 3,895,529 km (0.091 R)
• M9: 5,459,275 km (0.104 R)
• M10: 6,028,645 km (0.058 R)
• M11: 6,526,955 km (0.104 R)
• M12: 6,937,601 km (0.112 R)
• M13: 7,935,419 km (0.106 R)
• M14: 8,711,084 km (0.119 R)
• M15: 10,871,576 km (0.111 R)
• M16: 11,665,044 km (0.035 R)
• M17: 12,667,648 km (0.113 R)
• M18: 13,606,076 km (0.064 R)
• M19: 15,555,486 km (0.032 R)
• M20: 18,045,094 km (0.118 R)
• M21: 21,191,137 km (0.113 R)
• M22: 27,473,200 km (0.073 R)
• M23: 31,719,685 km (0.063 R)
• M24: 34,444,611 km (0.116 R)
• M25: 34,894,601 km (0.094 R)
• M26: 35,348,630 km (0.118 R)
• M27: 38,155,535 km (0.077 R)
• M28: 38,758,415 km (0.077 R)
• M29: 40,981,738 km (0.113 R)
• M30: 44,076,619 km (0.074 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 644.7

Radius: 3

Gravity: 71.63 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 7 AU - 7.2 AU

Year: 12215 Days

Day: 21.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 56,105,974 km

• M1: 37,998 km (0.11 R)
• M2: 134,638 km (0.064 R)
• M3: 350,209 km (0.115 R)
• M4: 499,358 km (0.118 R)
• M5: 760,406 km (0.109 R)
• M6: 905,965 km (0.092 R)
• M7: 1,214,884 km (0.113 R)
• M8: 1,372,860 km (0.038 R)
• M9: 3,170,428 km (0.047 R)
• M10: 4,242,895 km (0.082 R)
• M11: 4,796,108 km (0.063 R)
• M12: 5,932,453 km (0.114 R)
• M13: 6,904,540 km (0.044 R)
• M14: 8,864,721 km (0.109 R)
• M15: 9,660,731 km (0.06 R)
• M16: 12,575,347 km (0.098 R)
• M17: 14,700,384 km (0.108 R)
• M18: 15,599,168 km (0.081 R)
• M19: 16,098,077 km (0.118 R)
• M20: 19,316,975 km (0.112 R)
• M21: 22,396,297 km (0.102 R)
• M22: 23,770,354 km (0.07 R)
• M23: 24,525,823 km (0.081 R)
• M24: 26,283,598 km (0.098 R)
• M25: 26,383,679 km (0.115 R)
• M26: 26,989,251 km (0.087 R)
• M27: 28,438,406 km (0.05 R)
• M28: 29,504,590 km (0.086 R)
• M29: 31,716,544 km (0.05 R)
• M30: 31,829,939 km (0.083 R)
• M31: 32,286,362 km (0.091 R)
• M32: 36,841,318 km (0.108 R)
• M33: 39,271,386 km (0.077 R)
• M34: 45,161,054 km (0.081 R)
• M35: 45,592,644 km (0.07 R)
• M36: 46,318,044 km (0.115 R)
• M37: 46,464,051 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 222.5

Radius: 3.4

Gravity: 19.25 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 9.04 AU - 12.12 AU

Year: 22220 Days

Day: 20.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 56,105,974 km

• M1: 42,336 km (0.108 R)
• M2: 202,855 km (0.111 R)
• M3: 385,813 km (0.093 R)
• M4: 971,937 km (0.111 R)
• M5: 1,195,586 km (0.101 R)
• M6: 1,511,088 km (0.116 R)
• M7: 1,931,458 km (0.047 R)
• M8: 2,813,487 km (0.09 R)
• M9: 4,407,153 km (0.05 R)
• M10: 4,688,996 km (0.056 R)
• M11: 6,088,783 km (0.089 R)
• M12: 6,320,360 km (0.111 R)
• M13: 6,966,474 km (0.084 R)
• M14: 7,177,107 km (0.098 R)
• M15: 7,655,521 km (0.041 R)
• M16: 9,167,806 km (0.111 R)
• M17: 9,369,913 km (0.082 R)
• M18: 10,924,534 km (0.119 R)
• M19: 12,212,721 km (0.103 R)
• M20: 12,457,314 km (0.106 R)
• M21: 13,533,521 km (0.097 R)
• M22: 14,329,531 km (0.086 R)
• M23: 16,381,116 km (0.108 R)
• M24: 20,535,001 km (0.045 R)
• M25: 21,142,817 km (0.12 R)
• M26: 22,576,862 km (0.119 R)
• M27: 26,038,108 km (0.115 R)
• M28: 27,789,001 km (0.1 R)
• M29: 32,564,464 km (0.085 R)
• M30: 32,916,767 km (0.119 R)
• M31: 35,701,981 km (0.07 R)
• M32: 46,311,312 km (0.114 R)
• M33: 47,958,235 km (0.082 R)
• M34: 50,894,243 km (0.109 R)
• M35: 51,527,191 km (0.109 R)
• M36: 53,457,752 km (0.083 R)
• M37: 54,771,221 km (0.118 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 544 - 12,301 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit